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


Iceresistance

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  • Meteorologist

Got storms popping to my northwest that, according to mesoanalysis, have 4000-5000 sbcape/2500-3000 mlcape. Maybe more than that because it looks like there are slightly higher dew points than mesoanalysis is suggesting.

Thankfully it looks like Amarillo will get spared today.

1ePOiT1.jpeg

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Well this surprisingly escalated.

Quote
  Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   1258 AM CDT Sun Jun 11 2023

   Valid 111200Z - 121200Z

   ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
   THE LOWER MISSISSIPPI AND TENNESSEE VALLEYS AND VICINITY...

   ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
   EASTERN COLORADO...AND SOUTHEASTWARD TO NORTHWESTERN OKLAHOMA...

   ...SUMMARY...
   Severe thunderstorms capable of producing damaging winds and hail
   are expected across a broad area centered over the Tennessee
   Valley/Mid South.  Risk for locally damaging gusts and hail will
   also exist over the central High Plains vicinity and across the
   Oklahoma Panhandle vicinity, and across portions of
   northern/northeastern Texas.  A few storms capable of producing
   strong wind gusts will also be possible over the central and
   northern Nevada vicinity.

   ...Ohio/Lower Mississippi/Tennessee Valleys, and into the southern
   Appalachians and central Gulf Coast region...
   A short-wave trough -- embedded with seasonably strong cyclonic
   westerly flow on the southern fringe of a Great Lakes upper low --
   is forecast to shift across the Mississippi Valley into the Mid
   South/Southeast today.  As this occurs, a cold front -- aligned
   roughly along the Ohio River and Ozarks region at midday -- will
   shift southeastward into the Lower Mississippi and Tennessee Valleys
   through the afternoon and evening, and to the Appalachians and
   central Gulf Coast states by the end of the period.  

   As daytime heating allows moderate warm-sector destabilization,
   thunderstorms are forecast to develop near and just ahead of the
   boundary by early afternoon, from the mid Ohio Valley west to the
   Ozarks.  Storms should rapidly organize into bands, supported by
   relatively strong westerlies (30 to 50 kt) in the 850mb to 500mb
   layer.  With relatively fast easterly storm motion expected damaging
   wind gusts should become increasingly widespread through the
   afternoon within multiple bowing bands.  Hail will also be possible,
   with stronger storms.

   Storms will continue into the evening hours, possibly evolving into
   a larger-scale arc/band, and shifting eastward toward the
   Appalachians, and southeastward across Mississippi, Alabama, and
   northwestern Georgia.  While damaging-wind potential will likely
   continue through the evening over the Southeast, storms should
   weaken farther north as they shift into more stable conditions
   anticipated over the central Appalachians.

   ...North Texas...
   Ridging aloft will prevail across the southern Plains today, which
   will the boundary layer to remain capped through most of the day,
   across most of the area.  However, as late-afternoon temperatures
   heat well into the 90s, erosion of the cap locally as a result of
   boundary-layer mixing should allow isolated storms to initiate --
   most likely over the North Texas area.  With steep lapse rates aloft
   supporting strong high-based CAPE, large hail and damaging winds
   will be possible with any sustained storm, from late afternoon
   through mid evening before storms diminish diurnally.

   ...Parts of eastern Colorado southeastward to northwestern
   Oklahoma...
   Thunderstorm development is expected across the Front Range vicinity
   today, as afternoon heating contributes to moderate destabilization.
    With moderate mid-level westerly flow atop the area, a few stronger
   storms will likely evolve, and shift east-southeastward toward lower
   elevations into the evening.  Along with potential for locally
   damaging winds, a couple of the strongest storms will be capable of
   producing large hail.

   ...Northern and central Nevada vicinity...
   As an upper low drifts northward toward/into the Great Basin,
   afternoon destabilization atop a deep mixed layer will result in
   development of high-based thunderstorms.  While deep-layer shear
   will not be particularly strong, sub-cloud evaporative effects
   suggest potential for a few strong wind gusts, with westward-moving
   storms.  Storms will diminish in intensity through the evening.

   ..Goss/Bentley.. 06/11/2023

 

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  • Meteorologist

Will be tempted to head about 30 miles west later. Could be a discrete supercell that pops to my west. Got subtle forcing and a questionable cap, so not sure if anything will develop there. Doubt I'll go unless something pops in the next 2 hours.

The better bet for some picture-esque supercells will be in SE CO/W OK Panhandle/NW TX Panhandle. I'm not making that drive though.

usv226S.png

Edited by ClicheVortex2014
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Tornado warning just west of me now!

Quote
Tornado Warning
OHC109-113-112330-
/O.NEW.KILN.TO.W.0022.230611T2300Z-230611T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
700 PM EDT Sun Jun 11 2023

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northwestern Montgomery County in west central Ohio...
  Southwestern Miami County in west central Ohio...

* Until 730 PM EDT.

* At 700 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Englewood, moving east at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed.
           Damage to roofs, windows, and vehicles will occur.  Tree
           damage is likely.

* Locations impacted include...
  Dayton, Huber Heights, Troy, Vandalia, Englewood, Tipp City, West
  Milton, Clayton, Union, Brookville, Phillipsburg, Ginghamsburg,
  Phoneton, Dayton International Airport, Garland and Brandt.

This includes the following Interstates...
 I-70 in Ohio between mile markers 22 and 31.
 I-75 in Ohio between mile markers 63 and 69.

 

Edited by snowlover2
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Stay safe those North of Dayton. 
Haven’t been on the site in over a month due to how dreadfully boring it’s been lately.. glad to have gotten some much needed rain today though, it has been awefully dry. 

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  • Meteorologist
3 hours ago, ClicheVortex2014 said:

Will be tempted to head about 30 miles west later. Could be a discrete supercell that pops to my west. Got subtle forcing and a questionable cap, so not sure if anything will develop there. Doubt I'll go unless something pops in the next 2 hours.

The better bet for some picture-esque supercells will be in SE CO/W OK Panhandle/NW TX Panhandle. I'm not making that drive though.

usv226S.png

Maybe chasing wasn’t necessary after all. Looks like they might just come to me.

animated.gif

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3 hours ago, ClicheVortex2014 said:

Will be tempted to head about 30 miles west later. Could be a discrete supercell that pops to my west. Got subtle forcing and a questionable cap, so not sure if anything will develop there. Doubt I'll go unless something pops in the next 2 hours.

The better bet for some picture-esque supercells will be in SE CO/W OK Panhandle/NW TX Panhandle. I'm not making that drive though.

usv226S.png

Severe cells have blown up west of Amarillo.

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  • Meteorologist

Looks like both supercells will stay to my south. Don’t need more rain in SW Amarillo anyway.

Edit: closest one to me is now warned for tennis ball hail. Yep, definitely fine with me.

animated.gif

Edited by ClicheVortex2014
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  • Meteorologist

Models have been suggesting that supercells will continue in the OK/northern TX Panhandles through the night and it's starting to look like that'll happen. Won't be surprised if they're still going when I wake up. They’ve got impressive shear and they’re moving into easterly surface winds that are advecting in between moisture. 

image.thumb.png.23ecd8254e3b53b523ba953c36987d1a.png

Edited by ClicheVortex2014
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  • Meteorologist
7 hours ago, ClicheVortex2014 said:

Models have been suggesting that supercells will continue in the OK/northern TX Panhandles through the night and it's starting to look like that'll happen. Won't be surprised if they're still going when I wake up. They’ve got impressive shear and they’re moving into easterly surface winds that are advecting in between moisture. 

image.thumb.png.23ecd8254e3b53b523ba953c36987d1a.png

I was right. Getting called in early.

IMG_7732.png

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