704  
FNUS22 KWNS 140644  
FWDDY2  
 
DAY 2 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0143 AM CDT THU AUG 14 2025  
 
VALID 151200Z - 161200Z  
   
..SYNOPSIS
 
 
FIRE WEATHER CONCERNS WILL CONTINUE INTO FRIDAY ACROSS THE GREAT  
BASIN AND PARTS OF THE NORTHERN ROCKIES. THE UPPER WAVE CURRENTLY  
MOVING INTO CA WILL GRADUALLY SHIFT EAST INTO THE GREAT BASIN OVER  
THE NEXT 48 HOURS. THIS WILL MAINTAIN A WEAK SURFACE LOW OVER THE  
INTERMOUNTAIN WEST WHILE ALSO SUPPORTING A NORTHWARD SURGE OF DEEPER  
MONSOONAL MOISTURE FROM AZ INTO UT, CO, AND PARTS OF SOUTHERN WY.  
DRY CONDITIONS - BOTH AT THE SURFACE AND ALOFT - WILL SUPPORT  
ELEVATED FIRE WEATHER CONDITIONS AS WELL AS DRY THUNDERSTORM  
CHANCES. LATEST ENSEMBLE GUIDANCE SUGGESTS A CORRIDOR OF 15-20 MPH  
WINDS WILL LIKELY EMERGE FROM SOUTHERN NV INTO WESTERN UT AND  
EASTERN ID. SEVERAL HOURS OF ELEVATED FIRE WEATHER CONDITIONS ARE  
PROBABLE AS RH VALUES FALL INTO THE 10-15% RANGE BY LATE AFTERNOON.  
 
SIMILAR TO PREVIOUS DAYS, A COMBINATION OF STEEP MID-LEVEL LAPSE  
RATES AND MODEST MID-LEVEL MOISTURE ON THE NORTHWESTERN FRINGE OF  
THE MONSOONAL SURGE WILL SUPPORT A SWATH OF 100-500 J/KG MUCAPE  
ACROSS CENTRAL NV INTO WESTERN WY. DRY BOUNDARY LAYER CONDITIONS  
UNDER THE WEAK BUOYANCY COUPLED WITH 15-25 KNOT STORM MOTIONS WILL  
FAVOR DRY THUNDERSTORMS. LATEST CAM GUIDANCE SHOWS A REASONABLY  
STRONG SIGNAL FOR CONVECTION, THOUGH COVERAGE MAY BE MORE LIMITED  
COMPARED TO PREVIOUS DAYS AS STRONGER SYNOPTIC FORCING FOR ASCENT  
WILL LIKELY REMAIN DISPLACED TO THE SOUTH/SOUTHEAST. REGARDLESS,  
RECEPTIVE FUELS OVER THE REGION WILL CONTINUE TO YIELD A  
LIGHTNING-DRIVEN FIRE WEATHER CONCERN.  
 
..MOORE.. 08/14/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
 
 

 
 
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