884  
WWUS85 KBOU 170855  
RFWBOU  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
255 AM MDT THU APR 17 2025  
 
COZ240-245-171000-  
/O.CAN.KBOU.FW.A.0009.250417T1600Z-250418T0100Z/  
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND  
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
255 AM MDT THU APR 17 2025  
 
...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE  
HUMIDITY FOR DENVER INTO RURAL ADAMS AND ARAPAHOE COUNTIES...FIRE  
WEATHER ZONES 240 AND 245...  
 
THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE FIRE  
WEATHER WATCH.  
 
WIDESPREAD STRONG WINDS ARE NOT EXPECTED.  
 

 
 
COZ214-216-241-246-247-171700-  
/O.CON.KBOU.FW.W.0014.250417T1600Z-250418T0100Z/  
CENTRAL AND SOUTHEAST PARK COUNTY-  
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-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
255 AM MDT THU APR 17 2025  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO  
7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR  
SOUTH PARK, THE SOUTHERN FRONT RANGE FOOTHILLS, AND PALMER DIVIDE  
INTO EAST CENTRAL COLORADO...FIRE WEATHER ZONES 214, 216, 241,  
246 AND 247...  
 
* AFFECTED AREA...FIRE WEATHER ZONES 214, 216, 241, 246 AND 247.  
 
* TIMING...FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING.  
 
* WINDS...WEST 15 TO 30 MPH WITH GUSTS UP TO 40 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.  
 
* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR RAPID FIRE SPREAD.  
AVOID OUTDOOR BURNING AND ANY ACTIVITY THAT MAY PRODUCE A  
SPARK AND START A WILDFIRE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF  
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
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