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May 11th Central Oklahoma Tornado Warned Supercells

Great potential on May 11th!! Good moisture and instability would occur, as well as lift along a dryline, would result in several tornado warned supercells and one that produced a couple of night time tornadoes near Noble, OK. We chased south of the OKC area early as a supercell formed. It eventually died off as it ingested dry air. However, north of that several storms went up and spun, becoming tornado warned. One storm took us towards Lindsay, OK and attempted to drop a tornado. The funnel came halfway down and receded. Structure was very pretty as the supercells became very well organized. In a weird ending, one of the first storms we chased dropped the tornadoes. This storm was in the middle of a line of supercells, which typically is unusual. Almost always chase the tail end storm that has no competition for air, but this was not the case today!  Enjoy the pics!

 

May 10th Akron, CO Tornado and Supercell

May 10th had great potential in eastern Colorado. Upslope flow, and approaching short wave, good moisture and moderate instability would set the stage for intense storm formation by early afternoon. Initial storms would cluster and produce copious amounts of hail around the Denver metro area and just east. A boundary draped along I-76 eastward towards Wray would be the focus for a few supercells that would produce a couple tornadoes. We were heading towards Akron when we encountered a HUGE line of chasers stopped at construction red lights. This delayed us almost 30 minutes! We ended up watching a tornado from the construction back up and had no way to get east due to flooded and extremely muddied dirt roads. A frustrating day, but at least we managed to catch a tornado!

May 9th Central Kansas Supercells

Surging outflow would be the big deal this day. Storms would form on the cold side of a boundary and have very little tornado threat. However their structure was quite pretty. Elevated supercells would produce hail up to softball size and torrential rain. We chased one storm from near Larned, Kansas east towards Hutchinson. A couple other elevated supercells also formed just to the southwest and became hailers as well. With the elevated nature of the storms, the tornado potential was near zero. Hopefully the huge hail didn’t cause too much damage to the farmlands and ranchers in the area!

May 5th Central Texas Intense Supercell

May 5th brought deep moisture into central Texas, along with moderate instability and decent wind shear. Storms formed west of Hamilton and moved southeast.  One storm right turned as it started spinning and moved all the way to the north side of Austin before weakening. It had good structure, monster sized hail and was very electrified. It produced stunning mammatus clouds as well. The rotation buried well back in the core was very strong, and it may have produced a tornado that would have been not visible due to the heavy precipitation. Nonetheless, it was a treat to watch and enjoy!

May 4th Crowell, Texas Tornado Warned Supercell

May 4th was a strange day. A decent threat of severe storms and low end tornado potential existed. High based storms formed off the caprock by mid afternoon and moved east. Bases never lowered. Another couple of storms, eventually supercells, formed along a boundary a bit further east southwest of Crowell, TX. Within a few minutes a lowering formed and exhibited some rotation. As the storm moved east, a line of storms formed in front of it, thus limiting the quality of inflow air into the supercell. It caused it to slowly weaken over time. The storm produced baseball sized hail, high winds and was tornado warned for a couple of hours. It showed a fantastic hook echo on radar, but it just couldn’t sustain with cold inflow from storms ahead of it.

April 25th Sweetwater, Texas Stunning Supercell!!

April 25th featured a short wave trough approaching Texas. This lead to a surface trough in eastern New Mexico that helped bring moisture northward from the gulf of Mexico. Southeasterly surface winds raced northwest towards a dryline in west Texas where a weak low had developed. Models were fairly consistent developing storms, some supercells, near the Snyder/Sweetwater area and they nailed it. We approached Sweetwater later in the afternoon as cumulus towers were seen. A high based severe thunderstorm produced a couple shear funnels due to strong motion at cloud base. This storm became a prolific hailer as it moved towards town and eventually to the southeast.

South of town, the structure was magnificent! A sculpted updraft with striations showed just how well organized this supercell was. As darkness fell, the storm maintained its intensity as it moved southeast. Lightning illuminated the structure in the dark and made for quite the scene. Finally, about 10pm we let it go as it weakened and we drove towards Abilene where we spent the night. We came across copious amounts of hail, some close to tennisball sized.  A fun day and it’s always amazing to see nature’s artistic side in a gorgeous sculpted supercell! Enjoy the pics!

April 22nd Doole, Texas Potentially Tornadic Supercell

An interesting set up with northwest flow aloft on April 22nd. A weak low along with a sharpening dryline and warm front, set up a triple point northwest of San Angelo, Texas. Moisture would be the issue as dewpoints were in the 50s. Shear was good and convergence at the triple point would fire off a storm that became a long lived supercell. As the storm turned along the boundary, it started spinning strongly. After an interaction with another weak cell which it destroyed, it developed intense rotation, and on radar a classic scorpion tail hook echo formed with a good velocity couplet. RFD dirt was seen wrapping around the southern periphery of the storm and soon a large dirt bowl formed and persisted for about 5 minutes. Tornado? Possibly. But the storm also had hail the size of softballs. It soon moved east into less unstable air with lower dewpoints and it slowly decayed over the next couple of hours. A GREAT way to start the 2023 official tour season with Tour #1, the Close Encounters tour, witnessing this supercell. Enjoy the pics!!!

April 14th Medicine Lodge, Kansas Severe Thunderstorm

April 14th had plenty of shear, decent instability and a dryline in place. However, moisture was lacking, but enough of present to fire severe storms along the dryline late afternoon into the evening. I took the group the furthest south we could to get closer to better moisture, but still have enough forcing to help maintain storms as they moved off the dryline. Several storms formed and most went severe warned. However the tail end storm, as is often the case, became the strongest. Near sunset it started producing numerous lightning strikes, some starting fires. The structure was pretty good with the shear in place and it gave us a nice show as it rolled east towards Wichita. A fun day, we got about what we thought we would and had some very pretty scenes in the gypsum hills south of Pratt. Enjoy the pics!

April 4th Pleasantville, IA Tornadic Supercell

April 4th was a complicated day. A powerful upper level low would pivot out onto the plains late in the period. Low level moisture was fairly shallow for a big event, with pockets of dry air mixing out the better moisture. It seemed like two areas would be the best targets: 1) southwest Iowa as the forcing came out, however moisture was forecast to mix (and did!), 2) southeast Iowa and western Illinois in the free warm sector. We sat in Ottumwa for a couple hours waiting for one target to become clear. It never really did. A cluster of storms formed in eastern Missouri and consolidated into a few supercells as they moved into western IL. We started to head that way to chase, but it would have been a long way back to Kansas City that night as several guests had to be back in Denver by late afternoon the next day. Shortly after we headed out to go to IL, the Iowa play started forming. A line of storms, now severe, formed along the dryline west of Osceola and moved east. The tail end storm really started getting it’s act together so we quickly turned around and headed toward Pella (where we saw a tornado 2 years ago!).  As we approached Pella, a tornado warning came out with a confirmed tornado towards Pleasantville, which was another 15 miles west. We did all we could to get there, but were only able to get a glimpse of the pretty tornado before it dissipated. We stayed with the supercell as it approached the warm front and became tornado warned again. A brief spin up happened south of Malcom. The storm continued its path across the warm front, weakening in the colder air.  Here’s a few pics of what we saw with the supercell, distant tornado and the second spin up. Enjoy!!!!

July 6th Eastern Colorado Tornado Warned Supercell

July 6th took us to eastern Colorado. Good moisture and instability, along with modest shear and upslope flow into the Palmer Divide would set the stage for supercells and multicells. One such storm formed just west of Limon and right turned southeast towards Hugo. As it did, the structure improved as severe thunderstorm warnings were issued for golfball sized hail. As it moved further east, it became better organized and was tornado warned. It didn’t produce one, but you could clearly see the rotation in the storms updraft. As it moved furth east towards Eads, it encountered drier are and eventually weakened. Pretty storm, and the eastern plains of Colorado certainly needed all the moisture it can get! Enjoy the photos!