120  
WUUS53 KDVN 212126  
SVRDVN  
IAC061-212230-  
/O.NEW.KDVN.SV.W.0277.260821T2126Z-260821T2230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
426 PM CDT FRI AUG 21 2026  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
EASTERN DUBUQUE COUNTY IN NORTHEASTERN IOWA...  
 
* UNTIL 530 PM CDT.  
 
* AT 425 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER WAUPETON, OR  
13 MILES SOUTHEAST OF GUTTENBERG, MOVING SOUTHEAST AT 20 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
DUBUQUE, ASBURY, RICKARDSVILLE, SHERRILL, SAGEVILLE, BALLTOWN,  
DURANGO, SWISS VALLEY PARK, LOCK AND DAM 11, KEY WEST, EDMORE,  
DUBUQUE REGIONAL AIRPORT, MUD LAKE PARK, FINLEY'S LANDING PARK,  
ROCKDALE, COTTAGE HILL, MINES OF SPAIN, WAUPETON, FIVE POINTS, AND  
EAST RICKARDSVILLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
STURDY BUILDING.  
 
TO REPORT SEVERE WEATHER, CONTACT YOUR NEAREST LAW ENFORCEMENT  
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE  
OFFICE IN THE QUAD CITIES.  
 
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.  
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING  
KILLERS. REMEMBER, IF YOU CAN HEAR THUNDER, YOU ARE CLOSE ENOUGH TO  
BE STRUCK BY LIGHTNING.  
 
 
 
LAT...LON 4265 9074 4263 9070 4259 9069 4254 9064  
4251 9064 4248 9066 4246 9062 4237 9072  
4265 9098 4265 9090 4268 9089  
TIME...MOT...LOC 2125Z 308DEG 19KT 4266 9091  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
JTS  
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