050
WWUS20 KWNS 300757
SEL1
SPC WW 300757
IAZ000-MNZ000-WIZ000-301500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 421
NWS STORM PREDICTION CENTER NORMAN OK
300 AM CDT TUE JUN 30 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN IOWA
SOUTHERN AND SOUTHEAST MINNESOTA
WESTERN AND WEST-CENTRAL WISCONSIN
* EFFECTIVE THIS TUESDAY MORNING FROM 300 AM UNTIL 1000 AM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
SUMMARY...A CLUSTER OF SEVERE THUNDERSTORMS WILL MOVE INTO THE WATCH
AREA TONIGHT AND LIKELY MOVE EAST-NORTHEAST ACROSS THE WATCH AREA
THROUGH THE EARLY TO MID MORNING. THE LINEAR CLUSTER WILL POSE A
RISK FOR SCATTERED SEVERE GUSTS (60 TO 75 MPH).
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST NORTHWEST
OF FAIRMONT MN TO 50 MILES EAST OF EAU CLAIRE WI. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU1).
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 420...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR
24045.
...SMITH
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