

810 

WWUS20 KWNS 101922

SEL9

SPC WW 101922

ARZ000-LAZ000-OKZ000-TXZ000-110400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 139

NWS Storm Prediction Center Norman OK

225 PM CDT Mon Apr 10 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southwest Arkansas

  Far northwest Louisiana

  Far southeast Oklahoma

  Central and northeast Texas



* Effective this Monday afternoon and evening from 225 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail and isolated very large hail events to 3

    inches in diameter possible



SUMMARY...Thunderstorms will become increasingly numerous and likely

widespread by evening as a cold front pushes south-southeast across

the region. Large hail will be most likely initially, transitioning

to mainly damaging winds as one or more lines of storms likely

forms.



The severe thunderstorm watch area is approximately along and 90

statute miles north and south of a line from 80 miles southwest of

Junction TX to 10 miles east southeast of Texarkana AR. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU9).



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 138...



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

3 inches. Extreme turbulence and surface wind gusts to 65 knots. A

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

26025.



...Grams

