371  
FNUS21 KWNS 161644  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1143 AM CDT TUE SEP 16 2025  
 
VALID 161700Z - 171200Z  
   
..NO CRITICAL AREAS  
 
   
..17Z UPDATE  
 
NO CHANGES. BRIEF LOCALIZED FIRE-WEATHER CONDITIONS REMAIN POSSIBLE  
ACROSS THE WESTERN COLUMBIA BASIN AS WELL AS PARTS OF THE SOUTHERN  
UT AND THE FOUR CORNERS WHERE RAIN HAS NOT RECENTLY FALLEN. HOWEVER,  
WIDESPREAD CONCERNS ARE NOT EXPECTED, SEE THE PREVIOUS DISCUSSION.  
 
..LYONS.. 09/16/2025  
   
PREV DISCUSSION  
/ISSUED 0204 AM CDT TUE SEP 16 2025/  
   
..SYNOPSIS  
 
A MID-LEVEL TROUGH WILL IMPINGE ON THE PACIFIC NORTHWEST COASTLINE  
AS ANOTHER UPPER TROUGH FARTHER TO THE EAST BEGINS TO OVERSPREAD THE  
NORTHERN PLAINS TODAY. SURFACE HIGH PRESSURE WILL BECOME ESTABLISHED  
OVER THE PACIFIC NORTHWEST AND NORTHERN ROCKIES, PROMOTING QUIESCENT  
FIRE WEATHER CONDITIONS. OFFSHORE FLOW IS EXPECTED ACROSS THE  
PACIFIC NORTHWEST, ESPECIALLY ALONG THE WINDWARD SIDE OF THE  
CASCADES. WHILE LOCALLY DRY AND BREEZY CONDITIONS MAY OCCUR, THE  
SPARSE NATURE OF SUCH CONDITIONS OVER MODESTLY RECEPTIVE FUELS  
PRECLUDES FIRE WEATHER HIGHLIGHTS.  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
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