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June 5th-September 1st, 2023 | Severe Storm Sequence


Iceresistance

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Just now, Ingyball said:

Pretty sure our lone tornado producing supercell had 3 at once lol. The old meso occluded but hung around for awhile, the main meso had already taken over and was the largest of the 9 tornadoes that evening, and then a new meso had already formed and was producing a tornado lol. Was the strangest thing. 

absolutely insane loop for the last hour. I wish on radar omega I was able to make gifs, they offer long radar loops but no gif unfortunately. 

Edited by Neoncyclone
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Hoping this is the right place to share this.
 

An excellent analysis by a local met describing how northern Ohio went from virtually no risk to 9 tornadoes (including three EF2s) in a matter of hours on June 15. Great break down of the unique factors that made it happen, including lake boundaries, convergence, meso lows, rapid intensification, right turning supercells, etc. 

https://www.13abc.com/2023/06/19/how-marginal-severe-threat-ended-up-tying-tornado-record/?fbclid=IwAR2qcH6Fokcl4198U5UMu52Z9OkmRMvPl0B2OuYVR8KCoonJBypfrPd3bcw_aem_th_AU-OVBg-VGiU_rmnbDXVCg0HKpQfB5tkPa5VNq3Cyc4ShyDOZpBwsW5BC2sNOfy9w9o&mibextid=Zxz2cZ#lj2sqxgvuk274ogtkrj

8D4A4497-AD90-41AF-917C-6F183A1EE471.thumb.jpeg.861fe2d006a72508f2b7029de6ffc3d3.jpeg

Edited by NWsnowhio
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  • Meteorologist

From the building damage I have seen so far it would lead me to think last night's tornado was an EF-3 ignoring shoddy construction. However, the tree damage is far closer to what I have seen in EF-4s so I think this was likely a violent tornado. Insane for June in the Deep South.

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1 minute ago, Ingyball said:

From the building damage I have seen so far it would lead me to think last night's tornado was an EF-3 ignoring shoddy construction. However, the tree damage is far closer to what I have seen in EF-4s so I think this was likely a violent tornado. Insane for June in the Deep South.

Love that we made almost the same post at the same time lol

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The tree damage is very reminiscent of hurricane Michael (similar type of trees) which was a cat-5. That's why I'd personally lean towards an EF-4 but every surveyor has slightly different opinions when it comes to trees. 

Screen-Shot-2020-04-14-at-7.11.16-PM.png

The-impact-of-hurricane-michael-tree-canopy-in-florida-and-georgia.jpg

ABFURYGETII6TKTRIBWI6S7HAY.jpg

Timber-destroyed.jpg

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Both NAM products have some clown parameters for Wednesday around here but this is still 2.5 days out. Both are showing 5000-6500 sbcape with 40-50 kts effective shear. Both are showing mid-70 dew points which is very rare around here, so that and the instability shown is in question. Still time for them to relax.

7e1qnkZ.png

6KUm2Fd.png

 

Both of the below soundings are for a county east of Amarillo.

NAM

JKAFaEm.png

 

3km NAM

0tBfr9Y.png

Edited by ClicheVortex2014
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1 hour ago, Ingyball said:

The tree damage is very reminiscent of hurricane Michael (similar type of trees) which was a cat-5. That's why I'd personally lean towards an EF-4 but every surveyor has slightly different opinions when it comes to trees. 

Screen-Shot-2020-04-14-at-7.11.16-PM.png

The-impact-of-hurricane-michael-tree-canopy-in-florida-and-georgia.jpg

ABFURYGETII6TKTRIBWI6S7HAY.jpg

Timber-destroyed.jpg

Yeah most tornadoes that i've seen with trees snapped at or just above the base like that tend to get an EF-4+ rating, i'm sure a ton of things are taken into consideration such as type of trees affected, healthiness of tree population prior to the event, etc.

Edited by Neoncyclone
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HRRR sounding, which is probably too dry, an hour before convection develops in the northeastern Texas Panhandle. You know it's bad when the model that has the lowest dew point is still showing 5000 sbcape.

ReukZy6.png

Edited by ClicheVortex2014
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On 6/19/2023 at 10:59 AM, Ingyball said:

The tree damage is very reminiscent of hurricane Michael (similar type of trees) which was a cat-5. That's why I'd personally lean towards an EF-4 but every surveyor has slightly different opinions when it comes to trees. 

Screen-Shot-2020-04-14-at-7.11.16-PM.png

The-impact-of-hurricane-michael-tree-canopy-in-florida-and-georgia.jpg

ABFURYGETII6TKTRIBWI6S7HAY.jpg

It was rated an EF-3, these are softwood Pine trees. 

There were also Homes that were consistent with EF-3 damage.

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Can't say I'm surprised. And Perryton is in a 5% tor/30% hatched hail... again

SsYIxmp.png

 

   Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   1123 AM CDT Wed Jun 21 2023

   Valid 211630Z - 221200Z

   ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
   AND EVENING OVER PARTS OF EASTERN COLORADO...SOUTHEAST WYOMING...AND
   THE NEBRASKA PANHANDLE...AND FROM THE EASTERN TEXAS PANHANDLE AND
   WESTERN OKLAHOMA INTO CENTRAL TEXAS....

   ...SUMMARY...
   Intense severe thunderstorms are expected this afternoon and evening
   over parts of the central and southern Plains, where severe gusts,
   very large hail, and a few tornadoes are possible.

   ...TX/OK...
   Morning water vapor imagery shows a large upper trough over the
   western states, with moderately strong southwesterly mid-level winds
   across much of the central and southern High Plains.  At the
   surface, an extremely moist and potentially unstable air mass
   (dewpoints in the mid 70s) is present from the eastern TX Panhandle
   eastward into western OK, and extending southeastward into central
   TX.  Full heating will lead to afternoon MLCAPE values of 5000-6000
   J/kg and minimal cap.  Large scale forcing is weak, but circulations
   along the surface dryline will lead to rapidly thunderstorm
   development from extreme southwest KS into the eastern TX Panhandle.
   These storms are likely to be supercells capable of very large hail
   and a few tornadoes.

   These storms are likely to slowly congeal into one or more bowing
   complexes by mid evening, tracking southeastward into northwest and
   central TX.  Several morning CAM solutions suggest the potential for
   a corridor of significant wind damage if this scenario unfolds.

 

Edited by ClicheVortex2014
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Looking east across the dryline into the extremely unstable airmass. Starting to get some cumulus

Dont mind the bug marks on the wind shield. Moths invaded our area in May 

IMG_7738.jpeg

Edited by ClicheVortex2014
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