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WWUS20 KWNS 281641

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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 12

NWS Storm Prediction Center Norman OK

1045 AM CST Sun Feb 28 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southwest Arkansas

  Southeast Oklahoma

  Northeast Texas



* Effective this Sunday morning and evening from 1045 AM until

  600 PM CST.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Thunderstorms will continue to develop and intensify over

parts of northeast Texas and southeast Oklahoma through the

afternoon, posing a risk of large hail and damaging winds. Storms

will spread into western Arkansas in a few hours.  An isolated

tornado is also possible.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 25 miles west of Dallas

TX to 55 miles east of De Queen AR. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU2).



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 60 knots. A

few cumulonimbi with maximum tops to 450. Mean storm motion vector

25035.



...Hart

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