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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