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WWUS20 KWNS 282043

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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 278

NWS Storm Prediction Center Norman OK

345 PM CDT Tue May 28 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  A small part of southwestern Oklahoma

  Northwestern Texas



* Effective this Tuesday afternoon and evening from 345 PM until

  1000 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...At least isolated thunderstorm development appears

probable along the dryline from north of Abilene to west of Wichita

Falls in the next 1-2 hours.  The storm environment will support

supercells capable of producing large hail and isolated damaging

gusts into this evening.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 5 miles east of Fort Sill

OK to 50 miles west southwest of Mineral Wells TX. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU8).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 272...WW 273...WW

274...WW 275...WW 276...WW 277...



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

2 inches. Extreme turbulence and surface wind gusts to 60 knots. A

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

25030.



...Thompson

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