079  
FXUS64 KBMX 201116  
AFDBMX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
616 AM CDT SUN SEP 20 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
ISSUED AT 615 AM CDT SUN SEP 20 2026  
 
- THREATS & IMPACTS: SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS  
ON SUNDAY WILL POSE A PRIMARY THREAT OF STRONG, DAMAGING WIND  
GUSTS.  
 
- TRENDS: DIURNALLY DRIVEN CONVECTION WILL CONTINUE DAILY THROUGH  
WEDNESDAY, FOLLOWED BY A COLD FRONT MID-WEEK THAT WILL BRING  
RELIEF FROM MID-90S HIGHS.  
 

 
   
DISCUSSION
 
 
(SUNDAY THROUGH NEXT SATURDAY)  
ISSUED AT 1039 PM CDT SAT SEP 19 2026  
 
WE HAD A FAIRLY ACTIVE AFTERNOON UNFOLD ACROSS THE REGION AS  
SEVERAL DIURNALLY DRIVEN STORMS OVERPERFORMED AT TIMES. SEVERAL  
STORMS PRODUCED DAMAGING WIND GUSTS THAT LED TO DOWNED TREES AND  
POWERLINES ACROSS CENTRAL ALABAMA. ACTIVITY HAS WANED OVER THE  
LAST FEW HOURS AS WE HAVE LOST DAYTIME HEATING. LOW LEVEL  
MOISTURE LEFT IN THE WAKE OF THESE STORMS WILL LIKELY LEAD TO  
PATCHY FOG DEVELOPING AROUND SUNRISE SUNDAY MORNING. WATER VAPOR  
IMAGERY REVEALS OUR WELL ADVERTISED UPPER LEVEL CLOSED LOW  
EMERGING OVER THE EASTERN GULF AS IT MOVES OFF THE COAST OF  
FLORIDA. A PLUME OF MOISTURE ASSOCIATED WITH THIS FEATURE WILL  
DRIVE OUR WEATHER AS WE WRAP UP THE WEEKEND. ANOTHER ROUND OF  
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED SUNDAY  
AFTERNOON. STRONG WIND GUSTS WILL BE THE PRIMARY THREAT WITH THIS  
ACTIVITY. THE UPPER LEVEL LOW WILL BEGIN TO BREAK DOWN EARLY NEXT  
WEEK, LEAVING HEALTHY MOISTURE IN PLACE ACROSS THE STATE. THIS  
WILL ALLOW FOR LOW TO MEDIUM CHANCES FOR DIURNALLY DRIVEN  
CONVECTION DAILY THROUGH WEDNESDAY. BY THE MIDDLE OF THE WEEK, AN  
UPPER TROUGH WILL SWING ACROSS THE PLAINS WHILE SENDING A COLD  
FRONT OUR WAY. THIS WILL PROVIDE A DECENT "COOL" DOWN FOR US WITH  
HIGH SETTLING INTO THE MID 80S. THE MORE NOTICEABLE CHANGE WILL  
COME DURING THE MORNING HOURS AS WE WILL SEE TEMPS IN THE LOW TO  
MID 60S BY FRIDAY MORNING. THIS WAS THE FIRST TIME IN QUITE SOME  
TIME THAT I REMEMBER LOOKING AT THE ECMWF EFI AND NOT SEEING A  
SIGNAL FOR ANOMALOUSLY WARM TEMPS! WITH THAT SAID, WE WILL HAVE  
TO GET THROUGH A FEW MORE DAYS OF HIGHS IN THE MID 90S BEFORE OUR  
"RELIEF" ARRIVES.  
 
95/CASTILLO  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 615 AM CDT SUN SEP 20 2026  
 
A LOW PRESSURE CONTINUES TO SPIN OVER FLORIDA, KEEPING CONDITIONS  
DISTURBED ENOUGH IN THE AFTERNOON TO ALLOW FOR ADDITIONAL SHOWERS  
AND THUNDERSTORMS TODAY. CONFIDENCE IN THUNDERSTORM COVERAGE IS  
LOW, BUT STILL HIGH ENOUGH TO MAINTAIN PROB30 GROUPS FOR TSRA AT  
ALL TERMINALS. OTHERWISE, VFR CONDITIONS ARE ANTICIPATED FOR THE  
REMAINDER OF THE TAF PERIOD.  
 
/44/  
 

 
   
FIRE WEATHER
 
 
FIRE WEATHER CONCERNS REMAIN LOW AT THIS TIME, ALTHOUGH  
COMPOUNDING EFFECTS FROM INTENSIFYING DROUGHT CONDITIONS MAY  
ARISE. DAILY MINRH THROUGH THE WEEKEND WILL REMAIN ABOVE 40%. LOW  
TO MEDIUM CHANCES FOR SHOWERS AND STORMS WILL CONTINUE INTO THE  
MIDDLE OF NEXT WEEK. WINDS WILL REMAIN LIGHT THROUGH THE UPCOMING  
WEEK.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
GADSDEN 95 71 95 69 / 20 20 30 50  
ANNISTON 93 70 93 69 / 20 20 30 50  
BIRMINGHAM 95 73 95 71 / 20 20 40 50  
TUSCALOOSA 98 73 97 71 / 20 20 30 40  
CALERA 95 71 95 70 / 20 20 40 40  
AUBURN 91 71 92 70 / 20 10 20 20  
MONTGOMERY 94 72 94 71 / 20 10 20 20  
TROY 93 71 94 70 / 20 10 20 30  
 

 
   
BMX WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
DISCUSSION...95/CASTILLO  
AVIATION.../44/  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab AL Page Main Text Page