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391 

WWUS20 KWNS 151837

SEL6

SPC WW 151837

ARZ000-OKZ000-TXZ000-160300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 186

NWS Storm Prediction Center Norman OK

135 PM CDT Fri May 15 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  extreme western Arkansas

  southern Oklahoma

  northern Texas



* Effective this Friday afternoon and evening from 135 PM until

  1000 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 80

    mph possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...Severe storms are expected to continue developing along a

southward advancing outflow boundary and cold front across southern

Oklahoma this afternoon, eventually spreading into northern Texas

this evening. Multicell storm modes with damaging wind and large

hail are expected.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 45 miles west southwest

of Altus OK to 30 miles north of De Queen AR. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU6).



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 inches. Extreme turbulence and surface wind gusts to 70 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

33030.



...Dial

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