550
WWUS20 KWNS 091944
SEL8
SPC WW 091944
NDZ000-NEZ000-SDZ000-100300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 498
NWS STORM PREDICTION CENTER NORMAN OK
145 PM MDT WED JUL 9 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH-CENTRAL NORTH DAKOTA
NORTHWEST INTO NORTH-CENTRAL NEBRASKA
WESTERN AND CENTRAL SOUTH DAKOTA
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 145 PM
UNTIL 900 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...THUNDERSTORM DEVELOPMENT IS ANTICIPATED OVER THE NEXT FEW
HOURS FROM THE WESTERN DAKOTAS DOWN INTO THE NEBRASKA PANHANDLE. A
FEW DISCRETE SUPERCELLS ARE POSSIBLE WITHIN THIS REGION BEFORE
EVOLVING TOWARDS A MORE LINEAR MODE WITH TIME. ONE OR MORE
CONVECTIVE LINES COULD THEN MOVE EASTWARD INTO MORE OF THE CENTRAL
DAKOTAS AND NORTH-CENTRAL NEBRASKA, WITH STRONG TO SEVERE GUSTS AS
THE PRIMARY RISK. SOME GUSTS OVER 75 MPH ARE POSSIBLE.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
BISMARCK ND TO 40 MILES SOUTHWEST OF MULLEN NE. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 497...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
28035.
...MOSIER
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