603
WWUS20 KWNS 181050
SEL2
SPC WW 181050
WIZ000-LMZ000-181600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 142
NWS STORM PREDICTION CENTER NORMAN OK
555 AM CDT FRI APR 18 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN WISCONSIN
LAKE MICHIGAN
* EFFECTIVE THIS FRIDAY MORNING FROM 555 AM UNTIL 1100 AM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...MULTIPLE SUPERCELLS AND BOWING STRUCTURES WILL SPREAD
QUICKLY EASTWARD THIS MORNING ACROSS SOUTHERN WISCONSIN. SCATTERED
LARGE HAIL AROUND 1-2 INCHES IN DIAMETER AND 60-70 MPH WIND GUSTS
MAY OCCUR WITH THIS ACTIVITY.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF
MADISON WI TO 30 MILES EAST NORTHEAST OF RACINE WI. 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
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27050.
...GLEASON
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