

818 

WWUS20 KWNS 072143

SEL0

SPC WW 072143

OKZ000-TXZ000-080300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 170

NWS Storm Prediction Center Norman OK

445 PM CDT Thu May 7 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southwest Oklahoma

  Northwest Texas



* Effective this Thursday afternoon and evening from 445 PM until

  1000 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 3.5

    inches in diameter likely

  Scattered damaging winds and isolated significant gusts to 80

    mph possible



SUMMARY...A couple intense supercells will likely develop along the

portion of the Red River in the southeast Texas Panhandle and spread

east-southeast near the northwest Texas and southwest Oklahoma

border. Very large hail and isolated significant severe wind are the

main hazards.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 35 miles west northwest

of Clinton OK to 65 miles southwest of Wichita Falls TX. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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

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

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

29035.



...Grams

