

494 

WWUS20 KWNS 101904

SEL3

SPC WW 101904

KSZ000-OKZ000-110200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 443

NWS Storm Prediction Center Norman OK

205 PM CDT Thu Aug 10 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Portions of south-central Kansas

  Parts of western and central Oklahoma



* Effective this Thursday afternoon and evening from 205 PM until

  900 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...Thunderstorms ongoing across parts of northwest Oklahoma

and adjacent southern Kansas are forecast to increase in coverage

and spread east-southeast across the watch area over the next

several hours, with attendant risks for locally damaging winds and

hail.



The severe thunderstorm watch area is approximately along and 70

statute miles either side of a line from 10 miles north northwest of

Gage OK to 30 miles east of Chandler OK. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU3).



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 60 knots. A

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

29035.



...Goss

