390  
WWUS75 KBOU 211019  
NPWBOU  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER CO  
419 AM MDT SUN APR 21 2024  
 
COZ038>040-043-045-046-211130-  
/O.CAN.KBOU.FG.Y.0008.000000T0000Z-240421T1500Z/  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND  
JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH  
DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE  
COUNTIES/EAST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-NORTH AND NORTHEAST  
ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF AURORA, BRIGHTON, HEREFORD, LAKEWOOD,  
LOVELAND, BYERS, MATHESON, LEADER, GOLDEN, DENVER INTERNATIONAL  
AIRPORT, CITY OF DENVER, DEER TRAIL, HUGO, BOULDER, LIMON, AGATE,  
FORT LUPTON, HIGHLANDS RANCH, LONGMONT, EATON, GREELEY, BENNETT,  
ROGGEN, NUNN, PARKER, ARVADA, LITTLETON, AND FORT COLLINS  
419 AM MDT SUN APR 21 2024  
   
..DENSE FOG ADVISORY IS CANCELLED
 
 
THE THREAT FOR WIDESPREAD DENSE FOG HAS ENDED. AREAS OF FOG ARE  
STILL POSSIBLE THIS MORNING WITH REDUCTIONS IN VISIBILITY.  
 

 
 
COZ036-041-042-211500-  
/O.CON.KBOU.FG.Y.0008.000000T0000Z-240421T1500Z/  
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR  
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-ELBERT/CENTRAL AND  
EAST DOUGLAS COUNTIES ABOVE 6000 FEET-NORTHEAST WELD COUNTY-  
INCLUDING THE CITIES OF GEORGETOWN, WESTCREEK, LARKSPUR, PAWNEE  
BUTTES, GROVER, BRIGGSDALE, FONDIS, KIOWA, RAYMER, STONEHAM,  
BAILEY, CASTLE ROCK, CENTRAL CITY, EVERGREEN, ELBERT, AND IDAHO  
SPRINGS  
419 AM MDT SUN APR 21 2024  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS  
MORNING...  
 
* WHAT...VISIBILITY ONE QUARTER TO ONE HALF MILE IN DENSE FOG.  
 
* WHERE...THE SOUTHERN FRONT RANGE FOOTHILLS, CASTLE ROCK, AND  
BRIGGSDALE.  
 
* WHEN...UNTIL 9 AM MDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/BOU  
 
MENSCH  
 
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