061  
ACUS01 KWNS 040548  
SWODY1  
SPC AC 040547  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1247 AM CDT SUN OCT 04 2026  
 
VALID 041200Z - 051200Z  
 
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS  
OF THE FLORIDA PANHANDLE...  
   
..SUMMARY
 
 
A FEW ROTATING THUNDERSTORMS WILL BE POSSIBLE ACROSS PORTIONS OF THE  
NORTHERN GULF COAST TODAY, OTHERWISE SEVERE THUNDERSTORMS ARE NOT  
EXPECTED.  
   
.. SYNOPSIS
 
 
A MIDLEVEL SHORTWAVE TROUGH MOVING ACROSS THE GREAT LAKES THIS  
MORNING WILL HELP CARVE OUT/REINFORCE A LARGER-SCALE TROUGH ACROSS  
THE EASTERN US. AT THE SAME TIME, A MIDLEVEL ANTICYCLONE WILL REMAIN  
IN PLACE ACROSS THE WESTERN US. THIS PATTERN WILL FAVOR  
NORTHWESTERLY FLOW ACROSS MUCH OF THE EASTERN HALF OF THE COUNTRY,  
IN TURN SUPPORTING REINFORCING SHOTS OF COOLER AIR.  
 
AT THE SURFACE, WEAK CYCLOGENESIS SHOULD SUPPORT THE DEVELOPMENT OF  
A CYCLONE ACROSS THE FAR NORTHERN GULF COAST OR JUST INLAND ACROSS  
SOUTHERN ALABAMA AND THE FLORIDA PANHANDLE. THIS WEAK LOW WILL  
SLOWLY MOVE EAST DURING THE DAY.  
 
... PORTIONS OF THE FLORIDA PANHANDLE AND THE ADJACENT COASTAL  
WATERS ...  
 
A STALLED SURFACE FRONT WILL BE DRAPED ACROSS THE SOUTHEAST TODAY,  
WITH A VERY MOIST AIRMASS IN PLACE ALONG AND SOUTH OF IT. FORECAST  
SOUNDINGS ACROSS THE AREA INDICATE NEARLY MOIST THERMODYNAMIC  
PROFILES FROM SURFACE TO THE TROPOPAUSE, WITH THE 20261004 00 UTC  
HREF HAVING MEAN PRECIPITABLE WATER VALUES AROUND 2.5" ACROSS MOST  
OF THE FLORIDA PANHANDLE. GIVEN THESE MOIST VERTICAL PROFILES,  
CONDITIONAL INSTABILITY WILL BE LOW TODAY, WITH MEAN MUCAPE VALUES  
GENERALLY 500 J/KG OR LESS.  
 
DESPITE THE MEAGER INSTABILITY, ONE CONSEQUENCE OF THE MOIST  
VERTICAL PROFILES WILL BE THAT LCL HEIGHTS WILL BE VERY LOW --  
GENERALLY AT OR BELOW 500 METERS. AT THE SAME TIME, FORECAST  
SOUNDINGS IN AREAS TO THE EAST OF THE SURFACE LOW SHOW MODEST WIND  
CURVATURE IN THE LOWEST 3 KM. THUS, DESPITE THE MEAGER INSTABILITY,  
FORCED CONVECTIVE SHOWERS/THUNDERSTORMS WILL HAVE THE POTENTIAL TO  
EXHIBIT BRIEF, TRANSIENT LOW-LEVEL CIRCULATIONS, ESPECIALLY OVER  
COASTAL AREAS WHERE SURFACE FRICTION IS REDUCED. THE THREAT SHOULD  
SLOWLY MOVE EAST DURING THE DAY AS THE SURFACE LOW SLOWLY MOVES  
EAST.  
 
..MARSH/WENDT.. 10/04/2026  
 

 
 
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