486  
FNUS21 KWNS 240552  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1251 AM CDT TUE JUN 24 2025  
 
VALID 241200Z - 251200Z  
   
..SYNOPSIS  
 
ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED AGAIN TODAY ACROSS  
PARTS OF THE FOUR CORNERS AND INTERMOUNTAIN WEST. EARLY-MORNING  
WATER-VAPOR IMAGERY REVEALS AN UPPER LOW MIGRATING INTO THE LOWER  
COLORADO RIVER VALLEY. THIS FEATURE IS EXPECTED TO MEANDER ACROSS  
THE SOUTHERN GREAT BASIN THROUGH THE DAY WITH A BELT OF MODEST  
(20-40 KNOT) SOUTHWESTERLY MID-LEVEL FLOW EXTENDING FROM NORTHERN AZ  
INTO SOUTHERN WY. UNDER THIS SPEED MAX, DRY CONDITIONS PERSIST  
ACROSS THE REGION WITH AFTERNOON RH MINIMUMS IN THE TEENS EXPECTED.  
ALTHOUGH SURFACE PRESSURE GRADIENT WINDS WILL LIKELY ONLY REMAIN IN  
THE MID TEENS, FREQUENT GUSTS BETWEEN 20-35 MPH ARE EXPECTED AS  
AMPLE DIURNAL HEATING DRIVES DEEP BOUNDARY-LAYER MIXING. FUELS  
ACROSS THE REGION REMAIN SUPPORTIVE OF FIRE SPREAD GIVEN RECENT FIRE  
ACTIVITY AND NO APPRECIABLE RAINFALL OVER THE PAST 1-2 WEEKS.  
   
..DRY THUNDERSTORMS - NORTHEAST NEVADA  
 
COLD TEMPERATURES ALOFT ASSOCIATED WITH THE SOUTHERN GREAT BASIN  
UPPER LOW, COUPLED WITH A MODEST INFLUX OF MID-LEVEL MOISTURE AND  
DEEP BOUNDARY-LAYER MIXING, WILL PROMOTE ISOLATED WEAK THUNDERSTORMS  
ACROSS PORTIONS OF NORTHEAST NV. THERMODYNAMIC PROFILES ARE TYPICAL  
OF DRY THUNDERSTORM ENVIRONMENTS; HOWEVER, SLOW STORM MOTIONS (LESS  
THAN 10 KNOTS) WILL PROMOTE WETTING RAINFALL UNDER THE CONVECTIVE  
CORES. ISOLATED DRY LIGHTNING STRIKES ON THE PERIPHERY OF HEAVIER  
PRECIPITATION IS POSSIBLE, BUT CONFIDENCE IN A ROBUST DRY  
THUNDERSTORM THREAT REMAINS LIMITED.  
 
..MOORE.. 06/24/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
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