122  
WWUS86 KOTX 171315  
RFWOTX  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SPOKANE WA  
615 AM PDT TUE JUL 17 2018  
   
..HOT DRY AND WINDY CONDITIONS TODAY AND WEDNESDAY
 
 
.HOT AND DRY CONDITIONS COUPLED WITH GUSTY WESTERLY WINDS WILL  
CREATE HAZARDOUS FIRE WEATHER CONDITIONS IN CENTRAL WASHINGTON  
TODAY AND WEDNESDAY. TEMPERATURES WILL BE NEAR 100 DEGREES WITH  
RELATIVE HUMIDITES AROUND 15 PERCENT. COOLER AND MOISTER AIR WILL  
BRING UP THE HUMIDITES IN THE KITTITAS VALLEY ON WEDNESDAY SO THE  
RED FLAG WARNING WILL ONLY BE FOR TUESDAY AFTERNOON AND EVENING.  
ELSEWHERE THE WARNING WILL CONTINUE THROUGH WEDNESDAY EVENING.  
 
WAZ676-180300-  
/O.CON.KOTX.FW.W.0006.180717T2000Z-180718T0300Z/  
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-  
615 AM PDT TUE JUL 17 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO  
8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE  
KITTITAS VALLEY...  
 
* AFFECTED AREA: FIRE WEATHER ZONE 676 EAST WASHINGTON SOUTH  
CENTRAL CASCADE VALLEYS.  
 
* WINDS: WEST 10 TO 20 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON  
INCREASING TO 30 MPH DURING THE EVENING.  
 
* RELATIVE HUMIDITIES: 8 TO 20 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.  
 

 
 

 
 
WAZ673-677-180300-  
/O.CON.KOTX.FW.W.0006.180717T2300Z-180719T0500Z/  
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-  
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-  
615 AM PDT TUE JUL 17 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO  
10 PM PDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL  
WASHINGTON CASCADE VALLEYS AND THE WESTERN COLUMBIA BASIN...  
 
* AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN  
COLUMBIA BASIN AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL  
CASCADE VALLEYS.  
 
* WINDS: WEST 10 TO 20 MPH. GUSTS UP TO 25 MPH TODAY AND UP TO 30  
MPH WEDNESDAY.  
 
* RELATIVE HUMIDITIES: 8 TO 20 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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