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WWUS20 KWNS 010015

SEL1

SPC WW 010015

TXZ000-010600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 231

NWS Storm Prediction Center Norman OK

715 PM CDT Mon May 31 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South-Central Texas



* Effective this Monday night and Tuesday morning from 715 PM

  until 100 AM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Isolated damaging wind gusts to 65 mph possible

  A tornado or two possible



SUMMARY...An intense supercell ongoing near the Rio Grande River is

likely to continue southeastward potentially for a couple more hours

this evening, with additional storm development possible across/into

the southern Edwards Plateau/Rio Grande River vicinity in areas

along/south of a boundary.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 55 miles northwest of

Del Rio TX to 95 miles east southeast of Del Rio TX. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Severe Thunderstorm Watch means conditions are

favorable for severe thunderstorms in and close to the watch area.

Persons in these areas should be on the lookout for threatening

weather conditions and listen for later statements and possible

warnings. Severe thunderstorms can and occasionally do produce

tornadoes.



&&



AVIATION...A few severe thunderstorms with hail surface and aloft to

2.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

29020.



...Guyer

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