116  
FLUS45 KBOU 211707  
HWOBOU  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
1107 AM MDT SAT APR 21 2018  
 
COZ030>051-221715-  
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-  
1107 AM MDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL  
COLORADO.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
LIGHT SNOW AND RAIN WILL GRADUALLY COME TO AN END THIS AFTERNOON  
AS A MOIST WEATHER SYSTEM MOVES AWAY FROM COLORADO. THE MOUNTAINS  
AND HIGHER FRONT RANGE FOOTHILLS COULD SEE ANOTHER 1 TO 2 INCHES  
OF SNOW TODAY, WHILE OTHER AREAS WILL HAVE NO ADDITIONAL  
ACCUMULATION. ON THE PLAINS, A MIX OF RAIN AND SNOW WILL CHANGE  
TO OCCASIONAL LIGHT RAIN THROUGH THE AFTERNOON HOURS, BEFORE  
COMING TO AN END.  
 
AREAS OF FOG ARE EXPECTED ON THE PLAINS TONIGHT, MAINLY EAST OF A  
LINE FROM GREELEY TO LIMON. VISIBILITIES COULD BE LESS THAN A  
QUARTER MILE AT TIMES IN LOW LYING AREAS IF FOG DEVELOPS.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY  
 
A RIDGE OF HIGH PRESSURE WILL ALLOW FOR A WARMER AND RELATIVELY  
DRIER PATTERN FOR SUNDAY AND MONDAY, WITH THE BEST CHANCE OF  
SHOWERS IN THE MOUNTAINS BOTH DAYS. THE NEXT CHANCE OF PRECIPITATION  
AND COOLER TEMPERATURES FOR THE REGION WILL BE MONDAY NIGHT AND  
TUESDAY. IT WILL BE WARMER AND DRIER ON WEDNESDAY, BEFORE ANOTHER  
PASSING STORM SYSTEM BRINGS A CHANCE OF SHOWERS TO THE AREA  
WEDNESDAY NIGHT INTO THURSDAY MORNING. ON FRIDAY, BACK TO DRIER  
AND WARMER.  
   
SPOTTER INFORMATION STATEMENT
 
 
SNOWFALL REPORTS FROM SPOTTERS WILL BE APPRECIATED.  
 

 
 
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