554
WWUS20 KWNS 041731
SEL5
SPC WW 041731
ILZ000-INZ000-LMZ000-050000-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 455
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CDT SAT JUL 4 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN ILLINOIS
NORTHWEST INDIANA
LAKE MICHIGAN
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1235 PM
UNTIL 700 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...THUNDERSTORMS WILL DEVELOP ACROSS THE WATCH AREA THROUGH
THE AFTERNOON IN A RELATIVELY HOT AND HUMID AIR MASS. THE STRONGEST
CELLS WILL POSE A RISK OF LOCALLY DAMAGING WIND GUSTS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF
BLOOMINGTON IL TO 45 MILES NORTH NORTHEAST OF DANVILLE 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 454...
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 500. MEAN STORM MOTION VECTOR
25025.
...HART
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