418  
WUUS53 KDMX 180845  
SVRDMX  
IAC013-017-023-180930-  
/O.NEW.KDMX.SV.W.0048.250418T0845Z-250418T0930Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE DES MOINES IA  
345 AM CDT FRI APR 18 2025  
 
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHERN BLACK HAWK COUNTY IN NORTHEASTERN IOWA...  
BREMER COUNTY IN NORTHEASTERN IOWA...  
NORTHEASTERN BUTLER COUNTY IN NORTH CENTRAL IOWA...  
 
* UNTIL 430 AM CDT.  
 
* AT 344 AM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR POWERSVILLE TO CLARKSVILLE TO 5 MILES NORTHWEST  
OF NEW HARTFORD, MOVING EAST AT 55 MPH.  
 
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
WIND DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
JANESVILLE, WAVERLY, READLYN, WAVERLY MUNICIPAL AIRPORT, SUMNER,  
PLAINFIELD, TRIPOLI, DENVER, FREDERIKA, AND CEDAR FALLS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
 
 
LAT...LON 4256 9256 4291 9257 4291 9208 4261 9208  
TIME...MOT...LOC 0844Z 264DEG 46KT 4292 9275 4277 9266 4263 9267  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
DODSON  
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