415
WWUS20 KWNS 171421
SEL8
SPC WW 171421
MNZ000-WIZ000-172200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 128
NWS STORM PREDICTION CENTER NORMAN OK
920 AM CDT FRI APR 17 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST-CENTRAL AND FAR SOUTHEAST MINNESOTA
NORTHWEST AND NORTH-CENTRAL WISCONSIN
* EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 920 AM UNTIL
500 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...ONGOING LINE OF THUNDERSTORMS OVER SOUTHEAST MN IS
FORECAST TO CONTINUE NORTHEASTWARD. THE OVERALL ENVIRONMENT AHEAD OF
THIS LINE IS EXPECTED TO BECOME MORE SUPPORTIVE OF STRONG TO SEVERE
STORMS WITH TIME. ADDITIONAL THUNDERSTORM DEVELOPMENT IS ANTICIPATED
AS WELL. LARGE HAIL IS THE PRIMARY SEVERE RISK, ALTHOUGH ISOLATED
STRONG GUSTS ARE POSSIBLE AS WELL.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 105 MILES NORTH OF EAU
CLAIRE WI TO 10 MILES EAST OF LA CROSSE WI. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU8).
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
24030.
...MOSIER
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