221
WWUS20 KWNS 242152
SEL3
SPC WW 242152
IAZ000-MNZ000-NEZ000-SDZ000-250400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 243
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT SUN MAY 24 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST IOWA
SOUTHWEST MINNESOTA
NORTHEAST NEBRASKA
SOUTHEAST SOUTH DAKOTA
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
1100 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 65 MPH POSSIBLE
SUMMARY...HIGH-BASED SUPERCELLS ARE EXPECTED FROM NORTHEAST NEBRASKA
ACROSS SOUTHEAST SOUTH DAKOTA INTO SOUTHWEST MINNESOTA THIS EVENING,
AND STORMS COULD SPREAD INTO NORTHWEST IOWA BEFORE WEAKENING EARLY
TONIGHT. THE STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL (1.5-2
INCHES IN DIAMETER) AND ISOLATED SEVERE OUTFLOW GUSTS (60-65 MPH).
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF REDWOOD
FALLS MN TO 30 MILES WEST SOUTHWEST OF NORFOLK NE. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).
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 55 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27015.
...THOMPSON
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