121  
FNUS22 KWNS 210551  
FWDDY2  
 
DAY 2 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1250 AM CDT TUE JUL 21 2026  
 
VALID 221200Z - 231200Z  
   
..SYNOPSIS
 
 
UPPER-LEVEL TROUGHING WILL REMAIN IN PLACE ACROSS THE EASTERN U.S.  
AS A SOUTHWARD PROGRESSING COLD FRONT PROMOTES WIDESPREAD CHANCES OF  
RAINFALL ALONG THE EASTERN SEABOARD ON DAY 2/WEDNESDAY. MEANWHILE,  
THE REMNANTS OF POST-TROPICAL CYCLONE ELIDA WILL CONTINUE TO  
TRANSLATE NORTHWARD ALONG THE WESTERN PERIPHERY OF A LARGE-SCALE  
RIDGE ACROSS THE WESTERN CONUS. AS HIGH PRESSURE SHIFTS TOWARDS THE  
FOUR CORNERS, ADDITIONAL MONSOONAL MOISTURE WILL ADVECT INTO THE  
PACIFIC NORTHWEST.  
 
DESPITE BEING LESS THAN 48 HOURS FROM THE FORECAST PERIOD, MODEL  
DATA (INCLUDING HIGH-RESOLUTION GUIDANCE) EXHIBITS PROMINENT  
DIFFERENCES IN THE AMPLITUDE OF THE UPPER RIDGE; THUS, DISPARITY IN  
THE STRENGTH AND DIRECTION OF UPPER/MID-LEVEL FLOW. WHILE A MIX OF  
WET/DRY THUNDERSTORMS ARE STILL EXPECTED ACROSS THE ISODRYT AREA, A  
SLIGHTLY MORE EASTWARD PROGRESSION OF THE PACIFIC UPPER LOW COULD  
RESULT IN EXPASIVE THUNDERSTORM COVERAGE. FORECAST PWAT VALUES DO  
APPROACH 0.9-1.25", BUT 20-30 KT STORM MOTIONS SHOULD INHIBIT  
PRECIPITATION EFFICIENCY, RESULTING IN GREATER POTENTIAL FOR  
LIGHTNING IGNITIONS. GIVEN VERY RECEPTIVE FUELS AND FIRE ACTIVITY IN  
THE AREA, A SUBSEQUENT OUTLOOK UPGRADE TO A SCATTERED DRY  
THUNDERSTORM AREA MAY BE WARRANTED IF THE WETTING RAIN FOOTPRINT  
REMAINS RELATIVELY SMALLER TO THUNDERSTORM COVERAGE.  
 
..ELIZALDE-GARCIA.. 07/21/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
 
 

 
 
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