032
WWUS20 KWNS 111951
SEL8
SPC WW 111951
IAZ000-MNZ000-120300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 408
NWS STORM PREDICTION CENTER NORMAN OK
255 PM CDT WED JUN 11 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN IOWA
SOUTHERN MINNESOTA
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 255 PM
UNTIL 1000 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 75 MPH POSSIBLE
SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
SUMMARY...CLUSTERS AND BANDS OF STORMS SHOULD FURTHER DEVELOP AND
INTENSIFY THIS AFTERNOON WITH WIND DAMAGE AND HAIL POSSIBLE AS
STORMS MOVE EAST-SOUTHEASTWARD WITHIN AN INCREASINGLY UNSTABLE
ENVIRONMENT.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES SOUTHWEST OF
WORTHINGTON MN TO 70 MILES EAST NORTHEAST OF WATERLOO IA. 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
1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
28025.
...GUYER
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