####018001838####
WWUS20 KWNS 202308

SEL3  

SPC WW 202308

ILZ000-INZ000-210500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 533

NWS Storm Prediction Center Norman OK

610 PM CDT Sun Jul 20 2025



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of 

  Southeast Illinois

  Southern Indiana



* Effective this Sunday night from 610 PM until Midnight CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A cluster of intense thunderstorms has formed in southeast

Illinois.  These storms are expected to track southeastward this

evening across the watch area.  Damaging winds are the main concern.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 30 miles south

southwest of Mattoon IL to 30 miles north northeast of Louisville

KY. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 530...WW 531...WW 532...



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

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

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

29030.



...Hart