JUNE 28, 2020 MINNESOTA: TORNADO WARNED SUPERCELLS AND A FEW FUNNELS


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First supercell of the day, storm base and intense core near Wells, MN.

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Intense core as the storm crept closer and right at us near Wells, MN.

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Wall cloud organizing on the same storm as we watched directly out ahead.

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Organized, rising scud finger that looked like a funnel but was not. However, wall cloud/lowering was rotating at this point.

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Rising scud finger still present with the wall cloud becoming more ragged near Austin, MN.

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Legit funnel cloud here as we watched the storm near Grand Meadow, MN

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Funnel cloud still there in the middle of the wall cloud and easy to identify inflow tail condensating right to left into the action area.

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Decent structure here of the storm base of a tornado warned supercell near Spring Valley, MN

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Beautiful wall cloud on a tornado warned supercell in the hill country near Preston, MN

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Rotating wall cloud on the storm near Preston, MN. Closest this storm came to dropping a tornado through its life cycle!

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Mesoscale discussion issued at 3:42 PM CDT for southeast Minnesota and north-central / northeast Iowa. Remnant MCV moving through the area and may produce a few funnels and a brief tornado. https://www.spc.noaa.gov/products/md/2020/md1039.html

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Tornado watch issued at 5:15 PM CDT for southeast Minnesota and a couple counties in northeast Iowa. https://www.spc.noaa.gov/products/watch/2020/ww0315.html

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Mesoscale discussion issued at 7:20 PM CDT as the severe threat continues. https://www.spc.noaa.gov/products/md/2020/md1044.html

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JUNE 8, 2020 NEBRASKA: MEAN TORNADO WARNED SUPERCELL AT DUSK


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Mammatus on the northern storm as we were approaching after crossing the dam at the Missouri River near Pickstown, SD.

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Approaching from the northeast on the farthest north severe thunderstorm in a broken line through east-central Nebraska. Can see a lowering here where the mature wall cloud is wrapping into the mesocyclone.

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Severe warned supercell near Dustin, NE as we were driving south to chase a stronger storm. Terrific structure!

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Approaching the stronger supercell to the south near Atkinson, NE. This storm soon becomes tornado warned.

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Wall cloud in the notch of this storm on the northern side of the storm base where the mature mesocylone was occluding.

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Dual mesocyclones looking to our south towards Atkinson, NE

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Another view of the wall cloud trying to tighten up. Inflow tail and fast right to left condensation into the storm at this point. Hard to tell if there’s anything that is touching down in there due to all of the dirt and generally low visibility.

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Screaming inflow to our backs into this wall cloud at this time. This is when it looked the most interesting in regards to potentially producing a tornado. Was still tornado warned at this point.

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Very interesting. Rapid inflow right to left into this rotating wall cloud. Still can’t see what’s going on in there.

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Lots of dirt being pulled into this storm with screaming fast inflow from our backs.

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End of the chase during the evening as a strong and intense line of heavy rain and hail as approaching. Looking northwest from near Bristow, NE.

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Mesoscale discussion issued at 3:16 PM CDT. 80% chance of watch issuance along and ahead of the stalled boundary from eastern South Dakota into central Nebraska. We were positioned in Mitchell, SD on the northern end of where thunderstorms were expected to develop. https://www.spc.noaa.gov/products/md/2020/md0882.html

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Mesoscale discussion issued at 7:16 PM CDT for central Nebraska where a localized tornado threat existed. https://www.spc.noaa.gov/products/md/2020/md0885.html

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Mesoscale discussion issued at 9:13 PM CDT as severe storms were moving north along the front into South Dakota. https://www.spc.noaa.gov/products/md/2020/md0887.html

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS AND VERIFICATION:

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JUNE 7, 2020 MINNESOTA: TORNADO WARNED SUPERCELLS NEAR THE CANADA BORDER


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First severe thunderstorm of the day near Karlstad, MN. Heck of a core here!

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Decent structure on the storm near Donaldson, MN. Inflow scud condensing on the right side.

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Rotating wall cloud wrapping up quickly near Lake Bronson, MN.

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Got up close to the wall cloud northeast of Lake Bronson, MN with a nub funnel trying to form in the middle. Very fast condensation right to left into this wall cloud.

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Funnel in the middle as the wall cloud tightened up.

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Another shot of the funnel becoming more ragged here but the white wall cloud in front of us tightening up.

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Tornado warned storm, again near Donaldson, MN at the end of the day. Lots of interesting features/motion underneath this base.

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Mesoscale discussion issued at 2:00 pm CDT. 95% chance of a tornado watch being issued. Severe thunderstorms expected to develop with a tornado threat, especially along the warm front. https://www.spc.noaa.gov/products/md/2020/md0869.html

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Another mesoscale discussion issued further southwest into South Dakota and northern Nebraska at 2:04 pm CDT. Another watch likely to be issued ahead of the low and trough. https://www.spc.noaa.gov/products/md/2020/md0870.html

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Mesoscale discussion issued at 5:55 pm CDT with tornado threat increasing. https://www.spc.noaa.gov/products/md/2020/md0874.html

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Mesoscale discussion update issued at 6:00 pm CDT for the severe thunderstorm watch area in South Dakota. Mentions hail and wind being the main threats but notice on the storm reports that all the tornadoes were in this area! https://www.spc.noaa.gov/products/md/2020/md0875.html

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Mesoscale discussion issued at 8:42 pm CDT. Image describes what’s going on… starting to merge into a cluster/QLCS while more discrete cells remain in our area we were chasing in far northwest Minnesota. https://www.spc.noaa.gov/products/md/2020/md0877.html

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JUNE 6, 2020 SOUTH DAKOTA: OUTRUNNING A DERECHO!


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Storm developing and rolling off the northern end of the Black Hills of South Dakota near Sturgis.

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Shelf cloud approaching very quickly on Highway 34 east of Sturgis. Bear Butte on the right.

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Looking northwest towards Bear Butte as the intense squall line and shelf cloud was overtaking it.

Beautiful vertical shelf stretching the skyline over the open prairies of western South Dakota.

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Interesting to see all of these notches in the shelf cloud and rotation signatures on radar as the derecho attempted to overtake us.

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Beautiful shelf still moving on us fast near Union Center, South Dakota.

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Interesting feature here where there was strong rotation and a lowering underneath the base to our northwest. Sure looked and felt outflow dominant.

Got ahead of the storm enough to see the updraft above the derecho. Was cool to see these updrafts above the derecho staggered down the line.

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Derecho really started to become less linear as it moved into west-central South Dakota and form what looked like mesocyclones with noticeable rotation within each segment along the front on radar.

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Enjoying the storm with my beautiful wife, MaryLynn! Looking north into the Cheyenne River Reservation.

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Beautiful end to the chase day as we reached Pierre, South Dakota just ahead of the derecho.

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Mesoscale Discussion issued at 1:27 PM CDT noting a 95% chance for a severe thunderstorm watch to be issued due to widespread damaging winds with a significant bowing line of storms moving across the region. https://www.spc.noaa.gov/products/md/2020/md0854.html

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Mesoscale Discussion issued at 3:33 PM CDT as more isolated supercell storms were possible to form ahead of the derecho moving across Colorado and Wyoming. Storm tried to get going and we even chased one storm from the Black Hills north but it ended up dying due to the capped airmass. https://www.spc.noaa.gov/products/md/2020/md0856.html

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New severe thunderstorm watch issued at 5:45 pm CDT until 1:00 am CDT as the derecho was starting to approach western South Dakota. Wind gusts up to 80 mph and large hail events up to 2” in diameter. https://www.spc.noaa.gov/products/watch/2020/ww0264.html

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Mesoscale discussion issued at 8:29 pm CDT as a new severe thunderstorm watch needed to be issued ahead of the fast moving derecho. We stayed out ahead and managed to get to Pierre before it hit! https://www.spc.noaa.gov/products/md/2020/md0861.html

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New severe thunderstorm watch issued at 9:10 pm CDT after the last mesoscale discussion and ahead of the derecho. https://www.spc.noaa.gov/products/watch/2020/ww0265.html

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Mesoscale discussion issued at 11:34 pm CDT highlighting the area of the greatest wind threat. https://www.spc.noaa.gov/products/md/2020/md0863.html

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JUNE 2, 2020 MINNESOTA: TORNADO WARNED SUPERCELL


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Tornado warned storm near Janesville, Minnesota. Condensation being pulled into the updraft base. Could have easily been mistaken for a funnel cloud.

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Not too often that you see this kind of awesome structure in Minnesota!

Interesting feature here as there was clear dirt/debris being lofted and a funnel overhead. Tough to tell if this was a tornado or gustnado on the leading edge of the outflow.

Barley dodging an intense hail core!! We blasted ahead to stay out of this core but it was close.

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Prolific scud bomb near Ellendale, Minnesota. This was called in as a tornado believe it or not. Definitely not a tornado but ominous looking for sure!

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Beautiful end of the day and mammatus near Stewartville, Minnesota.

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Mesoscale Discussion issued at 3:52 p.m. CDT detailing the increasing coverage of thunderstorms and risk for hail and damaging winds as a cluster of storms progresses southeast into a higher unstable airmass. https://www.spc.noaa.gov/products/md/2020/md0783.html

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Severe thunderstorm watch issued at 4:40 p.m. CDT, valid until 12:00 a.m. CDT. Main threats included significant wind gusts to 75 mph and large hail up to 2” in diameter! https://www.spc.noaa.gov/products/watch/2020/ww0239.html

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Mesoscale discussion issued 5:32 p.m. CDT as ongoing severe thunderstorms continue to track southeast along the cold front into the greater instability. Another watch was issued ahead of these storms into southern Wisconsin. https://www.spc.noaa.gov/products/md/2020/md0785.html

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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MAY 27, 2020 TEXAS: STORM CHASE FROM ABILENE TO SAN ANTONIO


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Daytime cloud to ground strike on our initial supercell near Coleman, Texas.

Storm struggling with dewpoints only in the upper 50’s and lower 60’s. High based and somewhat outflow dominant.

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Shelf cloud on outflow dominant supercell approaching Fredericksburg, Texas.

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Mesoscale Discussion issued at 12:08 p.m. CDT for risk of severe hail and wind with developing storms.

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Mesoscale Discussion issued at 12:44 p.m. CDT for anticipation of a Watch to be issued soon in advance of developing storms.

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Severe Thunderstorm Watch issued at 1:45 p.m. CDT valid until 9:00 p.m. CDT. Primary threats include... Widespread large hail and isolated very large hail events to 3 inches in diameter likely. Scattered damaging wind gusts to 70 mph likely. A tornado or two possible.

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Mesoscale Discussion issued at 3:40 p.m. CDT for intensifying storms to produce severe wind and hail threats through 5-6 p.m.

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Mesoscale Discussion Issued at 5:05 p.m. CDT outlining potential for another watch to be issued downstream of the original watch.

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The next Severe Thunderstorm Watch issued at 5:20 p.m. CDT as severe storms continue to intensify and move southeast towards San Antonio.

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Mesoscale Discussion issued at 7:11 p.m. CDT for the storm we were on indicating hail size to increase as it approaches the San Antonio metro area.

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Mesoscale Discussion issued at 9:35 p.m. CDT for large hail and strong wind gusts with the storms moving over and near the San Antonio area. We got out ahead and bailed north on I-35 to get ahead of the hail before it could reach the interstate at the end of our chase day.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

MAY 24, 2020 KANSAS: VIOLENT, DANGEROUS SUPERCELL AND MICROBURST


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Initial intercept of an intense supercell storm coming out of southeast Colorado. Warned for 70+ mph winds and ping pong ball size hail!

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Beautiful structure on this mean looking storm!

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Possible tornado under the updraft base but could easily be concentrated area of rear flank downdraft winds coming around the south side of the mesocyclone.

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Microburst in the center of the image descending to the ground.

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Closer view of the microburst quickly descending. I bet this thing produced nearly 100 mph winds when it hit the ground.

Beautiful storm! Looking northwest towards the forward flank core.

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Nature’s vacuum! 50 mph inflow winds to our back being sucked into this storm. Notice all of the dirt being pulled into the updraft region and up into the storm.

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Terrific storm structure near Hugoton, Kansas. WHAT A BEAST

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Getting dark later in the evening as the storm rages on near Hugoton, Kansas.

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Awesome structure and starting to throw out some lightning!

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Mesoscale Discussion issued at 2:15 p.m. CDT. We were in Garden City and initially thinking of staying east on these storms but decided to blast west towards the intense storm coming out of Colorado.

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Mesoscale Discussion issued at 2:28 p.m. CDT. This area was really drawing our attention as the short range guidance was indicating one intense supercell rolling out of southeast Colorado.

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Severe Thunderstorm Watch issued at 3:45 p.m. CDT for the area we were targeting.

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Small Mesoscale Discussion issued at 7:06 p.m. CDT for our storm moving into southwest Kansas.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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MAY 22, 2020 TEXAS: INTENSE SUPERCELL AND 2 BRIEF TORNADOES ALONG THE RED RIVER


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Initial updraft of the storm breaking the cap by late afternoon near Haynesville, Texas.

Intensifying storm starting to anvil out, looking above our heads as lightning was becoming more frequent.

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Initial wall cloud forming as the storm begins to mature and track east along the Red River between Haynesville and Burkburnett, Texas.

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A pair of funnels underneath the updraft.

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Tornado warned storm kicking up dirt on the south side of the bowl lowering near Burkburnett, Texas.

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Brief tornado underneath bowl funnel. Notice concentrated area of dirt being picked up right in the middle of the picture.

Another shot of the tornado and funnel above that is more noticeable than the previous image. Clear concentrated rotation within this dirt plume.

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Concentrated rising scud into the storm base and some structure in this shot, taken near Thornberry, Texas.

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Nice structure on this storm as we got further out ahead near Thornberry, Texas.

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Another very good structure shot!

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Watching this wall cloud attempt to organize near Petrolia, Texas.

Shot of the well organized inflow tails into this storm, right to left, and a wall cloud still intact. Some semblance of a funnel or bowl lowering underneath.

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Second brief tornado, noticeable by the debris cloud underneath the funnel and wall cloud near Petrolia, Texas. Lucky to get a view here as this area is hilly with a lot of small trees and brush.

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Two wall clouds here, one in the foreground and background. Latter produced the tornado that was shown in the previous photo. Thought the one in front could do the same thing.

One more shot of the matured wall cloud and storm towards the end of the day as it was about to overtake us.

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Mesoscale Discussion issued at 12:55 p.m. CDT with expectation of thunderstorm initiation within the next hour. Interestingly enough, thunderstorm initiation occurred much later and closer to 5-6 p.m. as the cap held and initial towers could not sustain.

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Mesoscale discussion issued at 1:25 p.m. CDT for developing severe weather threat on northern edge of the highest CAPE axis.

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Initial Severe Thunderstorm Watch issued at 1:25 p.m. CDT.

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Mesoscale Discussion issued at 6:20 p.m. CDT indicating threat of tornadoes for 1-2 hours with the storm we were on just south of the Red River.

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New Severe Thunderstorm Watch issued at 6:55 p.m. CDT.

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Mesoscale Discussion issued at 9:26 p.m. CDT for ongoing severe weather threat. We were forced to go east to I-35 and head back north to Oklahoma City to get past the more intense supercells.

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Mesoscale Discussion issued at 11:56 p.m. CDT.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

MAY 21, 2020 KANSAS: STORM STRUCTURE OF THE YEAR!


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Wall cloud starting to organize on the first storm of the day in Holly, Colorado. Soon after became tornado warned.

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Storm chasing 2020 COVID-19 style! Wall cloud and funnel look-alike inflow tail in Holly, Colorado. Storm is tornado warned at this point and the sirens were blaring.

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Another view of the wall cloud on the tornado warned storm over the southern part of Holly, Colorado.

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Nice structure on the storm as it was moving over Holly, Colorado and threatening to overtake us.

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The second supercell was even better! Stacked plates and broad meso on the storm near Ulysses, Kansas.

Another shot of the supercell near Ulysses, Kansas.

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It just gets better and better! 3rd supercell of the day near Satanta, Kansas. Incredible structure!

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Just awesome. Epic storm structure and popping cloud to ground lightning near Satanta, Kansas. What an experience!

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Double cloud to ground lightning strikes in one shot… yes please.

Incredible storm continues to amaze.

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Mammatus and stacked plates on a mothership over the wide-open Plains of southwest Kansas. Can’t be beat.

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Funnel cloud emerging on the tornado warned storm near Satanta, Kansas.

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Funnel cloud just to the right of the lightning strike nearly touching down.

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Funnel cloud still holding together just above the light from the farmhouse in the distance. What a structurefest of a day!

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Mesoscale discussion issued at 2:20 p.m. CDT for development of storms within the next few hours and a risk of large hail and damaging winds.

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Severe Thunderstorm Watch issued at 3:15 p.m. CDT.

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Severe Thunderstorm Watch issued at 9:50 p.m. CDT ahead of the squall line surging southeast into northwest Oklahoma.

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Mesoscale discussion issued at 9:10 p.m. CDT indicating the primary severe weather threat for the next few hours.

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Mesoscale discussion issued at 11:28 p.m. for the enhanced severe weather threat with the squall line surging southeast.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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MAY 20, 2020 WYOMING AND COLORADO: SEVERE STORMS & LIGHTNING SHOW

Had a great day chasing storms in eastern Wyoming and northern Colorado! Best supercell storm of the day was near Keota, Colorado during the evening. This storm put on an incredible lightning show for us. First day guiding for http://www.silverliningtours.com/

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Nice cloud to ground strike on our initial storm in southeast Wyoming. I think this was on the storm near Chugwater.

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Tough to see but another CG out of our initial storm of the day near Chugwater, WY. Turbulent skies.

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Taking shots of the storm.

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CG’s out of the storm and a couple of separate storm bases near Keota, CO.

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Another arcing CG lightning strike out of the storm as we positioned out ahead near Keota, CO.

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Watching the storms and taking shots at sunset.

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Beautiful lightning near Keota, Colorado. All following lightning shots are from near Keota. Awesome display after sunset during the evening.

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STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JULY 1, 2019 MINNESOTA: LONG-LIVED TORNADO WARNED STORM AND SEVERAL FUNNELS

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Beautiful tornado warned storm near Clarks Grove, Minnesota. Well defined inflow (beaver) tail into the storm at the base of the updraft.

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Wall cloud better defined on the storm just east of Clarks Grove, Minnesota. Lots of rotation and rising motion into the wall cloud at this point. I thought it was going to produce a tornado right in front of us.

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Another shot of the merry-go-round portion of the wall cloud and solid inflow as noted by the tail on the right. If you watch the video, you can really see the strong rotation.

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Funnel cloud forming on the left side of the wall cloud just east of Clarks Grove, Minnesota.

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Nice clear slot punching in on the left side of the wall cloud as the downdraft and inflow combination was becoming better aligned. This is a classic look before a storm produces a tornado, which it did a short while later in Hollandale.

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Another funnel tightening up nearly right overhead near Hollandale, Minnesota.

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Yet another funnel cloud forming near Lansing, Minnesota. This was around 5 miles south of my hometown of Blooming Prairie. Notice the well defined clear slot on the back edge of the wall cloud on the left…textbook.

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Another funnel cloud (right in the middle of the photo) looking to the east from near Lansing, Minnesota.

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Looking directly up at the storm updraft towering to the heavens.

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Wall cloud and inflow tail still going strong as the supercell continues to cycle near Waltham, Minnesota.

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Last wall cloud of the day before we bailed and headed home. This was east of Sargeant, Minnesota.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JUNE 29, 2019 NORTH DAKOTA: AWESOME STRUCTURE ON TORNADO WARNED STORM

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Finally about to intercept a tornado warned supercell that had already been raging for the past few hours in central North Dakota. This is looking southwest from near St. Anthony, North Dakota.

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Terrific structure on this storm with multiple inflow bands and crisp, rock hard updraft looking southwest near Flasher, North Dakota.

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Absolutely jaw dropping storm structure!

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Some of the best storm structure of the year for me here! Awesome site to the twisting and turning storm updraft.

Edited iPhone shot.

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Incredibly, the storm went from looking amazing to completely dying within 10 minutes. I’ve never seen a tornado warned storm that looked so great die off this fast.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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JUNE 4, 2019: MINNESOTA SEVERE STORMS AND SHELF CLOUD

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Shelf cloud approaching, looking west from near Lonsdale, Minnesota. Nice easy drive from my house to intercept this severe warned storm!

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The storm definitely still had some inflow on the right side where the gust front butted up against the forward flank core, as indicated by the notch as well as winds into the storm at my position.

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Shelf cloud about to overtake me!

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Awesome undulatus asperatus display as the storms moved over our house in Farmington!

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STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

MAY 26, 2019: BRIEF TORNADO NEAR WILEY, CO; FUNNELS, SUPERCELLS AND HAIL

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Nice looking view of our first storm of the day and the open landscape of eastern Colorado near Lamar. I like the wavy look to the clouds and the virga as the atmosphere was moistening up during the early afternoon.

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Confirmed tornado near Wiley, Colorado! The first storm we intercepted produced this tornado quickly as it interacted with the warm front.

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The same tornado as above starting to lift and rope out at this point.

Tornado roping out north of Wiley, Colorado.

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Another low funnel that may have touched down but not confirmed to the north of Big Bend, Colorado. This was the same storm that produced the tornado earlier.

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Our second tornado warned supercell of the day with a beautiful wall cloud developing to the south of Lubers, Colorado. Lots of chasers on this storm!

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Wall cloud tightening up to our west near Lubers, Colorado.

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This was the closest that this storm came to producing a tornado as the rotating wall cloud really tightened up here just to our west.

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Driving north towards Eads, Colorado the storm had a very low-hanging wall cloud that could have easily produced.

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Larger view of the wall cloud to our north as we drove on highway 287 towards Eads, Colorado.

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Caught up to the storm near Eads, Colorado and were able to drive right up to the rotating wall cloud.

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After driving through the forward flank hail core, we passed to the north of a beautifully structured wall cloud just to the east of Eads on highway 96. This was one of, if not the best wall cloud that I saw all year in 2019!

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We got a little further east of the wall cloud towards Chivington, Colorado and continued to view the rotating wall cloud and rain curtains wrapping around the hook of this tornado warned storm.

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Tight wall cloud/funnel just to our south near Brandon, Colorado. Nearly produced a tornado!

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One wall cloud in the foreground and you can see another wall cloud wrapped in rain in the distance near Sheridan Lake, Colorado.

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End of the day and chase near Sheridan Lake, Colorado as the storm was starting to become outflow dominant as noted by the shelf cloud. Thereafter, we began the long all night drive back to Minnesota. Well worth sticking around an extra day for this chase!

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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MAY 25, 2019: FUNNEL CHASE ALONG THE COLORADO, OKLAHOMA, KANSAS BORDER

 
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Cell phone shot of a lightning strike on our initial storm near Dumas, Texas.

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Rotating wall cloud and scud fingers rising up into the base with several inflow bands right to left near Sturgis, Colorado.

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Beautiful storm in Johnson City, Kansas, approaching from the southwest. Big hail core about to overtake us before we quickly got out of there.

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Funnel cloud south of Johnson City, Kansas. Was quite persistent and a bit of a surprise being on the storm coming up from our south and not our initial storm we were on!

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Another shot of the funnel cloud as we were flying south of Johnson City, Kansas trying to get a closer look.

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Looking west from Big Bow, Kansas at another storm dropping a lowering and interesting rising scud underneath the main updraft on the tail end storm. Never did anything but this was interesting to see at this point!

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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MAY 17, 2019: MCCOOK, NEBRASKA TORNADO AND CHASE

 
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First storm of the day developing west of Wallace, Nebraska. Beautiful chase country out here!

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Wall cloud developing as storm base lowers just north of Herndon, Kansas. Starting to get excited about our possibilities at this point!

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Wall cloud still getting organized just north of Herndon, Kansas near the KS/NE border.

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Twin funnels! Shortly after the last photo between Herndon, Kansas and Culbertson, Nebraska.

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After the twin funnels, the wall cloud remained as we traveled northeast on dirt roads to the southwest of McCook, Nebraska.

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Another funnel southwest of McCook, Nebraska as we stair-stepped up to the northeast and followed closely.

Beautiful tornado looking west from McCook, Nebraska! Impressive dirt plume.

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Wide shot of the tornado outside of McCook. What a beauty! Wizard of Oz type tornado.

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Even wider shot of the whole storm and tornado. Notice that impressive and textbook clear slot to the left of the tornado with the eroded cloud base.

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Awesome tightening up and rapidly rotation wall cloud near Farnam, Nebraska. We drove right up to this thing but it did not produce.

STORM PREDICTION CENTER OUTLOOKS:

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STORM REPORTS:

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CHASE LOG, PROVIDED BY RICH HAMEL

A great chase day rewarded by 2 tornadoes (some saw 3) and some adrenaline pumping close encounters! We started the day in North Platte with a general target northeast of the triple point near McCook, NE, with the intent to also keep an eye on storms forming further west along the Nebraska / Colorado border, or potentially needing to drop even further south into Kansas. We initially headed south on Rt. 83 down to McCook, but as storms were already firing west of us, we almost immediately turned around and headed back up to Wellfleet, west on Rt. 20 to Wallace, and then south on Rt. 25. We then stopped about 10 miles south of Wallace to consider our options: there were robust storms to the west coming off the Cheyenne Ridge, but we were concerned they would be high based. Meanwhile to our south there was a storm coming up from Goodland, KS struggling in bad air, but quickly moving into a far better environment. We ultimately decided to target that storm and headed south.

We proceeded down through Hayes Center, then east on Rt. 6 and south at Culbertson onto Rt. 17. As we closed on the Kansas border, the rock-hard eastern wall of the updraft of our rapidly intensifying storm became visible and we knew we’d made the correct choice of storms. We ended up stopping about 2.5 miles from the Kansas border just north of Rt. 704 and could see scud rising into the base of our storm, but as yet it was still fairly disorganized. We stayed with the storm moving back up Rt. 17 and turning off on Rt. 710 to stop and observe again. At this point the storm had a much more defined wall cloud and produced two decent funnels and showed intensifying rotation as the storm got close to us. The storm began to get the look that it could tornado at any time, but soon we were forced to move or risk being cut off by the hail core packing 2-3” hail, so we scooted north to stay ahead. We headed back up 17 and then east on Rt. 713 which unfortunately was dirt, watching behind us as the wall cloud showed more and more rotation. With the storm moving quickly northeast, we blasted east on the dirt road and then north on road 384 and thankfully back onto the pavement into McCook.

As we got to McCook, the tornado sirens were blaring and we decided to head north for a mile or two on Rt. 83 out of town to get a look before heading east. As soon as we turned north, we spotted a large dirt plume, RFD, and then north of that another… with a large funnel extending downward. Tornado! We quickly turned into a nice, empty parking lot near Heritage Hills Golf Course with a clear view to the west and observed the large tilted “Wizard of Oz” tornado churning up dirt about 3 miles west of town. The big white tornado moved northward with a large, dirty debris fan for several minutes, then roped out with a large kink and elongated funnel that stayed in one spot churning as the funnel stretched more and more northward before finally dissipating. We knew the storm was not done yet but now had some catching up to do so we beat feet east!

We now had considerable maneuvering to do in the very poor road network of southwest Nebraska and it would be nearly an hour before we were back in position. We blasted east on Rt. 6 almost all the way to Cambridge, temporarily losing our view of the wall cloud, then turned north on the paved Rt. 73A. We eventually intersected with Rt. 18 to head east…. Only to find that it was not paved!! This slowed our progress dramatically. We slugged our way east about 3.5 miles before turning north onto another dirt road heading towards Eustis. Around this time as we were about 5.5 miles SW of town, we were seeing more tornado reports and heard word of a dusty cone tornado in progress. Our view to the west, when we could see going up and down through little ravines, was of the old meso deteriorating and the new one with a large amount of dirt flying but no clear view of the tornado if it was still there (some guests said they could see it, and later I did see a picture one had taken that made it pretty clear. I did not). Continuing onwards, we descended into a gully, only to hear of another tornado in progress! We quickly turned up a side road and saw an elephant trunk tornado in the distance in the process of roping out for tornado #2 of the day! It only persisted for a minute or two then we were back to our trek in the dirt.

We finally made it to Eustis and back on pavement and quickly blasted west right towards the meso and met it just as it crossed Rt. 23 near Farnam. The wall cloud was spinning like crazy and it appeared that the storm might drop a tornado right in front of it but it never quite focused. We waited until the meso started to fade from view and then blasted east again to keep up. Later, there were several tornado reports from Farnam as the storm must have tornadoed right after it got out of our sight.

We passed through Eustis again and north on Rt. 21 with the wall cloud just to our west churning away. About 15 minutes past as we blasted up towards Cozad, racing the hook echo to town to prevent getting cut off. As we closed on the Interstate and a safe path east, the mesocyclone was quickly closing on our position and soon was almost right over us. In fact, from van 2 I was yelling over the radio that a satellite area of rotation appeared to literally be right over the lead van. The storm just beat us to the highway and soon we were punching the hook from the south with a big block wall cloud just to our northwest and crazy rising motion all around out. As we got to I-80 and started heading east, we were blasted by strong RFD winds that threatened to blow the van right off the left side of the highway with the wall cloud churning seemingly right outside the driver’s side window!

After that adrenaline moment, we headed east down I-80 (and later, there were more tornado reports in Cozad where we’d just had the close encounter) and got off again at road 428, blasting north right back at the mesocyclone we’d just left. We caught up again about 5 miles north of the highway and were once again in the bear’s cage right under the meso, with a huge plume of RFD dirt rising almost surreally to our east, and the wall cloud immediately to our northwest. Suddenly a huge gustnado blew up right to the left of the vans, immediately causing several guests to scream “Tornado!!” I could see the rotating plume of dirt, but not the cloud base, so I could not confirm myself but others could see that there was no connection to cloud base nor was there a funnel, so it was confirmed as a gustnado, not tornado. Still, some anxious, exciting moments! Ultimately, after heading east on road 761 to continue stair-stepping, we stopped the chase about 10 miles from the highway as the mesocyclone was getting away from us and there was no way to keep up with the road network north of the highway. Passing through Lexington back onto the highway, we were less than an hour from our hotel in Kearney and got there early enough to celebrate with a good meal and a beer at Old Chicago.

A really fun chase day! Two tornadoes, maybe 3, and a couple of very up-close moments under the mesocyclone. A pretty solid chase considering the road network. With better roads, I’m certain we could have gotten 4 or 5 tornadoes from the storm.

Miles for the day were 389.2 for a trip total of 1243.1

MAY 16, 2019 NEBRASKA: SUPERCELL AND TERRIFIC LIGHTNING DISPLAY

 
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Storm developing in front of us with initially elevated base near Grant, Nebraska.

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Storm continuing to develop near Grant, Nebraska. Rain and hail curtains becoming more prevalent.

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Wall cloud starting to develop near Madrid, Nebraska.

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Awesome structure and shelf cloud near Paxton, Nebraska!

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Another shot of the storm’s shelf cloud near Paxton, Nebraska.

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The first in a series of great lightning shots from near Brady, Nebraska! Several to follow below:

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Stopped near an irrigation system near Brady, Nebraska to catch some additional lightning shots.

STORM PREDICTION CENTER OUTLOOKS:

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STORM REPORTS:

CHASE LOG, PROVIDED BY RICH HAMEL:

A day that looked like not much was going to happen turned into a fun chase day! Starting in Oklahoma City, we targeted a sagging front in Nebraska, knowing that the target area would be where we wanted to be for the upcoming triple point the next day and we had to get up there anyway. With low expectations because of a lack of sheer and modest dewpoints, we traveled all the way from OKC to Ogallala, NE before stopping to decide what to do. When we got there, there was a severe, anchored storm about two hours to the north near Alliance which was the original plan to target, but as the storm was pulsing down and a new group of storms was forming to our south from Julesburg, CO to Imperial, NE, we waited a bit longer and then proceeded straight south toward a storm that was just getting to Imperial. We headed down Rt. 61 through and to the east of Grant and stopped to observe the first storm coming towards us.  The results however were not impressive as the storm had very little lightning and nothing else to offer. We continued farther south, about half way to Imperial, and watched the storm to our south get a little more intense, and the storm to our west was showing signs of life as well. As the first storm got to us, we headed back east and out onto the dirt county roads north of Madrid. We stopped again as the storm to our west took over the show, with much more lightning and some motion under the updraft. Soon the rain was encroaching on our position and since we were on a dirt road, we had to run to keep from getting stuck in the mud.

As we stair-stepped north and east trying to get to pavement, we observed a good deal of blowing dust from the gust front and outflow, and later as we made it to pavement and headed up the road north to Paxton, observed a gustnado to our east that looked like it could have been a landspout, but had no visible connection to cloud base or funnel.

Up near Paxton, we stopped and watched the now linear storms come at us and produce a really cool shelf cloud, rolling and roiling towards us. We observed the great structure and intensifying lightning for a about 10 minutes before heading east to get to the tail end of the line, blasting down I-80 until we got to Hershey then heading south on Rt. 56C. Now the shelf cloud had taken on an orange tint and was massively electrified as the whoile line was now severe warned. As the cell directly to our south got closer, the storm intensified and soon had maxed out VIL’s, meaning big hail, coming straight at us. We blasted east just in time, catching a little hail but no damage. We continued east on I-80 all the way to Brady, stopping there to watch lightning in all directions, from little popcorn storms north of us, and the more robust line to out south. After about 15 minutes, we called it a day and made the easy trek to North Platte and the hotel.

Miles for the day were 773.1 for a trip total of 853.9

SEPTEMBER 20, 2018 MINNESOTA: ESCAPING THE FARIBAULT QLCS TORNADO

This became an interesting chase day to stay the least. A potent trough was ejecting out of the Plains into the Upper Midwest with a significant speed max through all levels moving into Minnesota during the afternoon and evening. Models were indicating the potential for a broken line of strongly rotating supercells to break out ahead of the triple point and along a northward surging warm front into southern Minnesota by later in the afternoon. My thoughts were to get to southwest Minnesota to get on the initial storms and follow as they matured moving east-northeast towards the south metro of the Twin Cities.

After leaving work at 2 PM, our team consisting of myself, Allan and Allison Persons, and Kyle Magnuson drove down Hwy 169 towards Mankato and then southwest on Hwy 60 towards St. James. Storms had already developed and were surprisingly congealing rather quickly to our west and starting to pick up some speed. We went south on Hwy 4 towards Trimont, Minnesota and waited here for storms to approach. A short while later, we realized the storms were moving at a really fast clip of 40-50 mph and not looking all that interesting, in fact forming more of a line than individual storms. One cell caught our eye to the east by Minnesota Lake that was ahead of all the other storms. We decided to blast east towards this cell to see if we could catch up as the storm intensified and to also stay ahead of the line quickly approaching to our west. We steadily progressed back up Hwy 60 towards Mankato to west of Faribault as the lead storm died and our line to the west started to show signs of rotation within individual inflow notches. We went north and stopped by the northern end of Roberds Lake to watch a mature mesocylone pass to our northwest. This area was later struck by a tornado that led to extreme tree damage and some structural damage to homes/cabins.

The tornado warned part of our storm was quickly approaching at nearly 70 mph, so we did our best to get a few photos and then head down Hwy 21 towards I-35. As we got past the Faribault airport, we encountered very heavy rain and a couple of very strong wind gusts that led to power poles swaying. We slowly crept down to the Hwy 21/I-35 intersection as we became inundated with 80-100 mph winds and blinding rain, so we were forced to stop at this point. Little did we know that a tornado was moving less than 1/2 mile behind us to our north and hitting the Faribault airport which we just drove past! I thought we were being hit by extreme rear-flank-downdraft (RFD) winds but it would have easily been the southern portion of a large tornadic circulation. Obviously we did not want to be in this situation, but it was very difficult to determine which parts of the QLCS line would have tornadic circulations. In fact, the tornadic circulation behind us showed up in a matter of only 2 radar scans after we already left our original spot near Roberds Lake. After waiting this out, we progressed up I-35 only to find out that it was closed due to damage. We then went up Hwy 3 north of Faribault to get home, passing by severe tree damage, some on homes, and lots of power poles and lines down. Near the Hwy 3 and Hwy 29 intersection around 4.5 miles north-northeast of Faribault, there was just under a mile wide path of trees that had bark stripped and looked clearly to be tornado damage. Here is the link to the National Weather Service damage survey for additional information: https://www.weather.gov/mpx/Sep20Tornadoes

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What I think was a large and mature mesocyclone looking west-northwest from the intersection of highways 68 and 69 near the northern end of Roberds Lake near Faribault, MN.

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Another view of what I believe was a mesocyclone to our northwest within the notch of the storm. Would make sense based on radar imagery. I could not tell if this was rotating. Could have been an intense downburst?

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When we were re-positioning on Hwy 21 by the Faribault airport. Got slammed by intense winds ahead of an EF-2 tornado.

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Closed in donut hole just north of our location as we had to stop near the intersection of Hwy 21 and I-35. Strongly indicative of a rain-wrapped tornado that passed just to our north through the Faribault airport.

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Broad couplet less than 1 mile north of our location and another down by Medford. Circled in black are the likely tornadoes occurring at this point.

Couplet as the tornado was passing to our northeast, just north of Dennison, MN.

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Zoomed out view of the quasi-linear convective system that spawned the 16 tornadoes across southeast Minnesota.

STORM REPORTS:

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STORM PREDICTION CENTER OUTLOOKS:

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