469  
WWUS86 KOTX 200349  
RFWOTX  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SPOKANE WA  
849 PM PDT THU JUL 19 2018  
   
..WARM, DRY AND BREEZY WEATHER CONTINUE FOR FRIDAY
 
 
.WINDS WILL GRADUALLY EASE OVERNIGHT AS TEMPERATURES COOL. WARM  
AND DRY CONDITIONS COUPLED WITH GUSTY WESTERLY WINDS WILL RETURN  
FRIDAY. THIS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS AGAIN  
FOR PARTS OF CENTRAL WASHINGTON BY THE AFTERNOON AND EVENING  
HOURS. THESE CONDITIONS MAY LEAD TO INCREASED FIRE SPREAD  
POTENTIAL.  
 
WAZ673-676-677-201200-  
/O.EXP.KOTX.FW.W.0007.000000T0000Z-180720T0400Z/  
/O.CON.KOTX.FW.W.0008.180720T1800Z-180721T0400Z/  
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-  
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-  
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-  
849 PM PDT THU JUL 19 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT  
FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR EAST WASHINGTON  
CENTRAL AND SOUTH CENTRAL CASCADE VALLEYS AND THE WESTERN PORTION  
OF THE COLUMBIA BASIN...  
 
* AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN  
COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 676 EAST  
WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE  
WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE  
677).  
 
* WINDS: NORTHWEST TO WEST 10 TO 20 MPH WITH GUSTS TO 25 MPH.  
 
* RELATIVE HUMIDITIES: 12 TO 25 PERCENT.  
 
* IMPACTS: GUSTY WINDS AND LOW RELATIVE HUMIDITY ON DRY FUELS  
WILL PROMOTE RAPID FIRE SPREAD.  
 
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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