691  
FNUS21 KWNS 040548  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1247 AM CDT THU SEP 04 2025  
 
VALID 041200Z - 051200Z  
   
..SYNOPSIS  
 
A DEPARTING MID-LEVEL WAVE WILL AID IN THUNDERSTORM DEVELOPMENT  
ACROSS PORTIONS OF NORTHERN CALIFORNIA INTO WASHINGTON THIS  
AFTERNOON. STORM MOTIONS TODAY WILL BE SLOWER THAN IN RECENT DAYS. A  
MIX OF WET/DRY THUNDERSTORMS IS EXPECTED. HOWEVER, MAINLY MID-LEVEL  
MOISTURE AND DRY SUB-CLOUD LAYER SHOULD REDUCE RAINFALL AMOUNTS AND  
INCREASE POTENTIAL FOR DRY LIGHTNING STRIKES TO OCCUR. ACTIVITY OVER  
THE LAST 24-48 HOURS HAS GENERALLY PRODUCED 0.25" OF RAIN WITH  
SEVERAL NEW FIRES DETECTED. AN AREA OF ISOLATED DRY THUNDERSTORM  
RISK WAS MAINTAINED ACROSS PORTIONS OF NORTHERN CALIFORNIA INTO  
CENTRAL OREGON WITH THIS OUTLOOK. A STRIKE OR TWO MAY EXTEND AS FAR  
NORTH AS THE WASHINGTON CASCADES.  
 
..THORNTON.. 09/04/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
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