922  
WUUS53 KDVN 212320  
SVRDVN  
IAC045-097-105-220015-  
/O.NEW.KDVN.SV.W.0281.260821T2320Z-260822T0015Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
620 PM CDT FRI AUG 21 2026  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN JACKSON COUNTY IN EAST CENTRAL IOWA...  
EAST CENTRAL JONES COUNTY IN EAST CENTRAL IOWA...  
NORTHWESTERN CLINTON COUNTY IN EAST CENTRAL IOWA...  
 
* UNTIL 715 PM CDT.  
 
* AT 620 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER MONMOUTH, OR  
11 MILES WEST OF MAQUOKETA, MOVING SOUTHEAST AT 15 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
MAQUOKETA, LOST NATION, MONMOUTH, NASHVILLE, HURSTVILLE, CANTON,  
BALDWIN, EMELINE, EDEN VALLEY REFUGE, MAQUOKETA CAVES STATE PARK,  
MAQUOKETA MUNICIPAL AIRPORT, JACKSON COUNTY FAIRGROUNDS, BUCKHORN,  
AND ELWOOD.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY  
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE  
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
STURDY BUILDING.  
 
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 4214 9098 4220 9088 4205 9055 4190 9078  
TIME...MOT...LOC 2320Z 316DEG 15KT 4212 9089  
 
TORNADO...POSSIBLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
JTS  
 
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