830
WWUS20 KWNS 131728
SEL2
SPC WW 131728
ILZ000-INZ000-140000-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 582
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT THU AUG 13 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST CENTRAL AND NORTHEAST ILLINOIS
WESTERN INDIANA
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1230 PM
UNTIL 700 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...A CLUSTER OF STORMS MAY CONTINUE TO INTENSIFY AND ORGANIZE
AS IT PROGRESSES EAST-SOUTHEASTWARD ACROSS THE REGION THIS
AFTERNOON, WITH DAMAGING WINDS AS THE PRIMARY HAZARD.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF
BLOOMINGTON IL TO 25 MILES EAST NORTHEAST OF DANVILLE IL. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR
28025.
...GUYER
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