014
WWUS20 KWNS 101659
SEL1
SPC WW 101659
IAZ000-ILZ000-MNZ000-WIZ000-110000-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 301
NWS STORM PREDICTION CENTER NORMAN OK
1200 PM CDT WED JUN 10 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
FAR EASTERN IOWA
NORTHWEST ILLINOIS
EXTREME SOUTHEAST MINNESOTA
WISCONSIN
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM NOON UNTIL
700 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
TO 2 INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
A TORNADO OR TWO POSSIBLE
SUMMARY...ONGOING CONVECTIVE LINE ACROSS FAR EAST-CENTRAL IOWA IS
FORECAST TO CONTINUE NORTHEASTWARD INTO CENTRAL/SOUTHERN WISCONSIN,
WITH AN ATTENDANT THREAT FOR DAMAGING GUSTS. ADDITIONAL DEVELOPMENT
IS ANTICIPATED FARTHER NORTH FROM FAR SOUTHEAST MINNESOTA INTO
NORTHERN WISCONSIN. SOME INITIALLY CELLULAR DEVELOPMENT COULD
PRODUCE LARGE HAIL. QUICK TRANSITION TO A MORE LINEAR MODE IS
EXPECTED HERE AS WELL, WITH DAMAGING WIND THEN BECOMING THE PRIMARY
RISK.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH
NORTHWEST OF CEDAR RAPIDS IA TO 60 MILES EAST SOUTHEAST OF MOSINEE
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.
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
24040.
...MOSIER
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