

137 

WWUS20 KWNS 130032

SEL5

SPC WW 130032

ILZ000-INZ000-KYZ000-MOZ000-130600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 435

NWS Storm Prediction Center Norman OK

735 PM CDT Thu Aug 12 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  southern Illinois

  far southestern Indiana

  parts of western Kentucky

  southeastern Missouri



* Effective this Thursday night and Friday morning from 735 PM

  until 100 AM CDT.



* Primary threats include...

  Isolated damaging wind gusts to 65 mph possible



SUMMARY...A fast-moving band of thunderstorms will continue shifting

southeastward across the Mid-Mississippi Valley region this evening,

accompanied by risk for locally damaging wind gusts.



The severe thunderstorm watch area is approximately along and 35

statute miles either side of a line from 25 miles south southwest of

Cape Girardeau MO to 35 miles east southeast of Mount Vernon IL. For

a complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU5).



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 433...WW 434...



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

1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

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

29040.



...Goss

