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WWUS20 KWNS 140029

SEL4

SPC WW 140029

OKZ000-TXZ000-140800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 354

NWS Storm Prediction Center Norman OK

730 PM CDT Thu Jun 13 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Oklahoma Panhandle

  Texas Panhandle and South Plains



* Effective this Thursday night and Friday morning from 730 PM

  until 300 AM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Widely scattered supercells will drift east/southeastward

across the region this evening, initially across western portions of

the Oklahoma and Texas Panhandles with large hail as the primary

risk. As the evening wears on, storms may tend to cluster and

accelerate somewhat with an increased damaging wind threat as well.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 30 miles northwest of

Guymon OK to 20 miles west southwest of Lubbock TX. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



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 353...



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 550. Mean storm motion vector

29020.



...Guyer

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