267  
FNUS21 KWNS 180651  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0150 AM CDT WED JUN 18 2025  
 
VALID 181200Z - 191200Z  
   
..SYNOPSIS  
 
WITHIN THE BASE OF A DEEP MIDLEVEL LOW OFF OF BRITISH COLUMBIA, A  
SHORTWAVE TROUGH AND RELATED MIDLEVEL WESTERLY SPEED MAXIMUM WILL  
OVERSPREAD THE PACIFIC NORTHWEST. AS A RESULT, DRY/BREEZY DOWNSLOPE  
FLOW WILL DEVELOP IN THE COLUMBIA BASIN DURING THE AFTERNOON. HERE,  
AROUND 15 MPH SUSTAINED WESTERLY SURFACE WINDS (HIGHER IN THE  
CASCADE GAPS) AND 20-25 PERCENT RH WILL FAVOR ELEVATED TO LOCALLY  
CRITICAL FIRE-WEATHER CONDITIONS OVER DRY FUELS.  
 
..WEINMAN.. 06/18/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
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