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Plains tornado threat Mon 5/27-Fri 5/31


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Very impressive parameters indeed. Where did you find the data overlaid like that? Looks really familiar.

Tail end charlie looks to be getting its act together as well.

 

Given the direction of the inflow into these things, all three of those cells might have chances.

 

Edit: Strong rotation on the tail-end charlie now.

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WRF-NMM has underestimated the cap just a bit in the TX Panhandle and along the dry line in most of west KS...the long-lived discrete supercell that was expected to have developed ~30 minutes ago near Pampa, TX, is still absent from the radars. But I expect the latest activity NE of Hays, KS, to develop quite rapidly within the next 45 minutes, as the cap is clearly breaking there.

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Why doesn't it have a TOR Warning yet? LCLs and LFCs are low...am I missing something?

 

Edit: Outflow boundary emanating from the storms SW of Hays is helping to spark activity off to the NE in KS.

 

Not sure but I'm guessing they have their reasons.  The lowest tilt is still a good 2000ft agl, so maybe they're waiting on spotters since there's so many in the area.

 

EDIT:  Looks like she occluded. 

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Why doesn't it have a TOR Warning yet? LCLs and LFCs are low...am I missing something?

 

Edit: Outflow boundary emanating from the storms SW of Hays is helping to spark activity off to the NE in KS.

 

There are over 100 chasers on that storm. They will warn it when it looks like tornado development is more imminent. 

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GID issues Tornado Warning [tornado: RADAR INDICATED, hail: 1.00 IN] for Smith [KS] till 7:00 PM CDT ...AT 624 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 5 MILES NORTHEAST OF ATHOL...OR 24 MILES EAST OF PHILLIPSBURG....AND MOVING EAST AT 35 MPH.

It looks much like the Hallam cell...HP, right-moving, and large.

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Will be interesting to see what happens when the Smith Co. tor warned storm is impacted by the northward moving 2 cells to its south.  I think I read on this board somewhere that one met thought a similar impact from another storm gave the Moore storm enough curvature to drop the tornado and another storm impacting it at the end caused the RFD to help the meso occlude.

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I'd forgotten that Hastings was one of the LFOs with the experimental PDS torwarnings:

 

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A  
 
* TORNADO WARNING FOR...  
WEST CENTRAL JEWELL COUNTY IN NORTH CENTRAL KANSAS...  
 
* UNTIL 745 PM CDT  
 
* AT 711 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A LARGE  
AND EXTREMELY DANGEROUS TORNADO WAS LOCATED 4 MILES NORTHEAST OF  
LEBANON...OR 34 MILES NORTHWEST OF BELOIT....AND MOVING EAST AT 25  
MPH.  
 
THIS IS A PARTICULARLY DANGEROUS SITUATION.  
 

HAZARD...DAMAGING TORNADO.  
 
SOURCE...RADAR INDICATED ROTATION.  
 
IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. MOBILE HOMES WILL  
BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES  
AND VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.  
FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS. EXPECT  
TREES TO BE UPROOTED OR SNAPPED.  
 
* LOCATIONS IMPACTED INCLUDE...  
ESBON AND BURR OAK.  
 
PEOPLE IN ESBON NEED TO BE IN THEIR TORNADO SHELTERS NOW!  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY  
TORNADO IS DEVELOPING. TO PROTECT YOUR LIFE...TAKE COVER NOW. MOVE TO  
AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID  
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE  
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.  

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