672  
FLUS45 KBOU 211211  
HWOBOU  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
611 AM MDT MON AUG 21 2017  
 
COZ030>051-221215-  
JACKSON COUNTY BELOW 9000 FEET-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-  
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/  
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-  
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/  
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE  
9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR  
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
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-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-  
611 AM MDT MON AUG 21 2017  
 
...DENSE FOG ADVISORY NORTHEAST CORNER OF COLORADO UNTIL 8 AM  
MDT...  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL  
COLORADO.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
PATCHY DENSE FOG FROM STERLING TO THE NORTH AND EAST ALONG THE  
I-76 CORRIDOR WILL DISSIPATE BETWEEN 8 AND 9 AM. FOR THIS  
AFTERNOON, ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP, WITH  
MOST OF THESE ALONG AND SOUTH OF THE I-70 CORRIDOR. A STRONGER  
STORM OR TWO WITH HEAVY RAIN AND SOME HAIL IS POSSIBLE OVER THE  
FAR EASTERN PLAINS WHERE MORE MOISTURE AND INSTABILITY EXISTS.  
   
DAYS TWO THROUGH SEVEN
 
TUESDAY THROUGH SUNDAY  
 
PATCHY FOG AND LOW STRATUS WILL BE POSSIBLE EARLY TUESDAY MORNING  
FOLLOWING A COLD FRONT. THUNDERSTORMS WILL INCREASE IN COVERAGE  
EACH DAY TUESDAY THROUGH THURSDAY AS MORE SUBTROPICAL MOISTURE  
PUSHES INTO THE AREA. THURSDAY COULD SEE LOCALLY HEAVY RAINFALL  
FROM SOME OF THE STORMS. FRIDAY THROUGH SUNDAY WILL BE DRIER BUT  
CANNOT RULE OUT ISOLATED DIURNALLY DRIVEN STORMS, ESPECIALLY OVER  
THE HIGHER TERRAIN.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.  
 

 
 
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