382  
FNUS21 KWNS 170622  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0122 AM CDT TUE MAR 17 2026  
 
VALID 171200Z - 181200Z  
 
...CRITICAL FIRE WEATHER AREA FOR NORTHWEST TEXAS INTO SOUTHWEST  
OKLAHOMA...  
   
..SYNOPSIS  
 
ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TODAY  
ACROSS THE HIGH PLAINS AND SOUTHERN PLAINS. VERY DRY CONDITIONS ARE  
PREVALENT ACROSS THE CENTRAL CONUS IN THE WAKE OF A STRONG FRONTAL  
PASSAGE (DEWPOINTS IN THE SINGLE DIGITS TO LOW TEENS OVER THE PLAINS  
ARE NEAR/BELOW THE 10TH PERCENTILE FOR MID-MARCH). SURFACE HIGH  
PRESSURE OVER THE SOUTHERN CONUS WILL CONTINUE TO SHIFT EAST THROUGH  
THE DAY AS A LEE TROUGH DEEPENS ALONG THE HIGH PLAINS. THE RESULTING  
PRESSURE GRADIENT WINDS ACROSS THE SOUTHERN PLAINS AND OFF DOWNSLOPE  
FLOW THE WESTERN SLOPES OF THE ROCKIES WILL PROMOTE ELEVATED TO  
CRITICAL FIRE WEATHER CONDITIONS OVER REGIONS WITH RECENT WILDFIRE  
ACTIVITY.  
   
..SOUTHERN PLAINS  
 
FORECAST GUIDANCE CONTINUES TO SHOW STRENGTHENING SOUTHWEST WINDS  
THROUGH THE AFTERNOON ACROSS CENTRAL TX TO CENTRAL OK AS THE  
PRESSURE GRADIENT STRENGTHENS WITH THE DEEPENING SURFACE TROUGH  
ALONG THE HIGH PLAINS. RELATIVE HUMIDITY REDUCTIONS WILL BE MOST  
PRONOUNCED (AND POSSIBLY AS LOW AS 10-15%) FROM WESTERN TX INTO  
SOUTHWEST OK UNDER THE LOW-LEVEL THERMAL RIDGE. MODEL CONSENSUS  
SUGGESTS WINDS THROUGH THIS CORRIDOR WILL INCREASE TO 15-20 MPH;  
HOWEVER, GUIDANCE TYPICALLY UNDER-MIXES THE BOUNDARY LAYER IN DRY  
RETURN FLOW REGIMES WITH HIGHER RH VALUES AND WEAKER WINDS THAN  
ACTUALLY OBSERVED. BASED ON THIS, THE EXPECTATION IS THAT WINDS  
UNDER THE THERMAL RIDGE WILL LIKELY BE SUSTAINED NEAR 20 MPH, WHICH  
WILL INCREASE THE PROBABILITY OF SUSTAINED CRITICAL FIRE WEATHER  
CONDITIONS. A TARGETED CRITICAL RISK AREA HAS BEEN INTRODUCED ACROSS  
THIS REGION.  
   
..CENTRAL TO SOUTHERN HIGH PLAINS  
 
WESTERLY 15-20 MPH WINDS OFF THE CENTRAL TO SOUTHERN ROCKIES WILL  
SUPPORT SEVERAL AREAS OF ELEVATED FIRE WEATHER CONDITIONS FROM  
CENTRAL AND SOUTHEAST WY SOUTHWARD INTO WEST TX. FORECAST GUIDANCE  
SHOW REASONABLY GOOD AGREEMENT IN RH REDUCTIONS DOWN TO 20% WITH  
AREAS OF 15% POSSIBLE. SOLUTIONS THAT TYPICALLY OVER-MIX IN THESE  
REGIMES (NOTABLY THE RAP AND HRRR) HINT THAT 20-25 MPH WINDS ARE  
POSSIBLE ACROSS SOUTHEAST WY INTO FAR NORTHEAST CO AND PARTS OF THE  
NE PANHANDLE WHERE ACTIVE WILDFIRES HAVE BEEN ONGOING IN RECENT  
DAYS. CONFIDENCE IN SUSTAINED CRITICAL CONDITIONS ACROSS THIS  
CORRIDOR IS LIMITED DUE TO SPREAD IN GUIDANCE AND POOR ENSEMBLE  
AGREEMENT, BUT GIVEN THE VERY DRY CONDITIONS, OBSERVED TRENDS WILL  
BE MONITORED FOR THE NEED FOR CRITICAL HIGHLIGHTS.  
 
..MOORE.. 03/17/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page