

284 

WWUS20 KWNS 312050

SEL0

SPC WW 312050

KSZ000-OKZ000-TXZ000-010400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 480

NWS Storm Prediction Center Norman OK

350 PM CDT Mon Aug 31 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Far southeast Kansas

  Southwest to northeast Oklahoma

  Western north Texas



* Effective this Monday afternoon and evening from 350 PM until

  1100 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 2.5

    inches in diameter possible

  A tornado or two possible



SUMMARY...Supercells and clusters are expected to develop along and

near a cold front through this evening. Scattered large hail and

damaging wind gusts are possible. A tornado or two may also occur,

most likely in central Oklahoma.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 40 miles west southwest

of Wichita Falls TX to 65 miles northeast of Bartlesville OK. 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

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

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

26030.



...Grams

