077  
WWUS20 KWNS 102009  
SEL1  
SPC WW 102009  
IAZ000-NEZ000-SDZ000-110300-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
TORNADO WATCH NUMBER 501  
NWS STORM PREDICTION CENTER NORMAN OK  
310 PM CDT THU JUL 10 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* TORNADO WATCH FOR PORTIONS OF  
FAR WESTERN IOWA  
NORTHEAST NEBRASKA  
EXTREME SOUTHEAST SOUTH DAKOTA  
 
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 310 PM UNTIL  
1000 PM CDT.  
 
* PRIMARY THREATS INCLUDE...  
A COUPLE TORNADOES POSSIBLE  
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 LIKELY  
 
SUMMARY...THUNDERSTORM DEVELOPMENT IS ANTICIPATED WITHIN THE VERY  
UNSTABLE AIRMASS ACROSS CENTRAL/NORTHEAST NE THIS AFTERNOON.  
ENVIRONMENTAL CONDITIONS SUPPORT INITIAL SUPERCELLS CAPABLE OF ALL  
SEVERE HAZARDS, INCLUDING LARGE TO VERY LARGE HAIL AND TORNADOES.  
UPSCALE GROWTH IS ANTICIPATED AFTER THE INITIAL CELLULAR MODE, WITH  
THE RESULTANT CONVECTIVE LINE PROGRESSING QUICKLY EASTWARD. STRONG  
WIND GUSTS ARE POSSIBLE WITHIN THIS LINE, INCLUDING GUSTS OVER 75  
MPH.  
 
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES  
NORTH AND SOUTH OF A LINE FROM 5 MILES NORTH NORTHWEST OF BROKEN BOW  
NE TO 10 MILES EAST OF DENISON IA. FOR A COMPLETE DEPICTION OF THE  
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR  
TORNADOES AND 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.  
 

 
 
AVIATION...TORNADOES AND 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 27035.  
 
...MOSIER  
 
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