564  
FXUS64 KBMX 201724  
AFDBMX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
1124 AM CST THU NOV 20 2025  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 1122 AM CST THU NOV 20 2025  
 
- NEAR-RECORD HIGH TEMPERATURES ARE FORECAST TODAY ACROSS CENTRAL  
ALABAMA, PERHAPS AGAIN ON FRIDAY AND SATURDAY FOR SOME  
LOCATIONS.  
 
- AN OPPORTUNITY FOR SHOWERS AND THUNDERSTORMS LOOKS TO BE  
FOCUSED ON FRIDAY AND TUESDAY. A LOW RISK FOR A COUPLE STRONG  
TO SEVERE THUNDERSTORMS MAY ARISE WITH THE TUESDAY SYSTEM.  
 
 
   
DISCUSSION  
 
(TONIGHT THROUGH NEXT WEDNESDAY)  
ISSUED AT 1200 AM CST THU NOV 20 2025  
 
TODAY & FRIDAY:  
 
SURFACE COOLING COMBINED WITH A SHALLOW LAYER OF MOISTURE IS  
RESULTING IN FOGGY CONDITIONS ACROSS CENTRAL ALABAMA THIS MORNING.  
OCCURRENCES OF DENSE FOG ARE COMMON PER ASOS AND CAMERAS.  
HAZARDOUS DRIVING CONDITIONS WILL EXIST THROUGH 9 AM THIS MORNING.  
THROUGH THE REST OF TODAY, THE WEATHER SETUP ACROSS THE SOUTHERN  
CONUS WILL PROMOTE CONTINUED VARIABLE CLOUDINESS WITH ANOTHER  
DAY OF NEAR-RECORD HIGH TEMPERATURES. A MID-LEVEL IMPULSE WILL  
RIDE THE NORTHERN PERIMETER OF 500 MB RIDGING CENTERED NEAR THE  
YUCATAN, BRINGING CLUSTERS OF SHOWERS AND THUNDERSTORMS TODAY TO  
THE TENNESSEE VALLEY. A FEW SHOWERS MAY OCCUR AS FAR SOUTH AS THE  
278 CORRIDOR OF NORTH-CENTRAL ALABAMA.  
 
ANOTHER IMPULSE COMES BY ON FRIDAY WITH A BETTER OFFERING OF  
SHOWERS AND THUNDERSTORMS ACROSS CENTRAL ALABAMA. CAMS SHOW THIS  
OCCURRING IN THE FORM OF MULTIPLE CLUSTERS OF ACTIVITY, WHICH  
MATCHES THE MODELED CONFIGURATION OF THIS SYSTEM. WHILE A MODEST  
AMOUNT OF WIND SHEAR WILL OVERSPREAD THE REGION, FORECAST  
SOUNDINGS SUGGEST POOR INSTABILITY PROFILES; SO, SEVERE WEATHER IS  
NOT ANTICIPATED THOUGH A FEW BENEFICIAL DOWNPOURS MAY DEVELOP.  
 
THE WEEKEND:  
 
IF THE FRONT MOVES SLOWLY ENOUGH, SATURDAY'S WEATHER MAY INCLUDE  
LINGERING AREAS OF CLOUDINESS AND SOME LIGHT SHOWERS. MODELS  
AGREE THAT BY SUNDAY WE'RE TOTALLY RAIN-FREE. TEMPERATURES OVER  
THE WEEKEND REMAIN ABOVE SEASONAL NORMALS, BUT NOT TO THE MARGINS  
OF EARLIER IN THE WEEK.  
 
NEXT WEEK:  
 
AN UPPER-LEVEL TROUGH NEAR THE PACIFIC NORTHWEST TODAY (NOV 20) IS  
FORECAST TO TRACK ACROSS THE SOUTHWEST U.S. THIS WEEKEND AS A  
CLOSED LOW AND THEN MOVE EAST EARLY TO MID NEXT WEEK AS SOME FORM  
OF AN OPEN TROUGH. ENSEMBLES SHOW SHOWERS AND THUNDERSTORMS  
AFFECTING OUR AREA DURING A TUESDAY INTO TUESDAY NIGHT TIMEFRAME.  
THERE HAS BEEN VARIABILITY REGARDING THE MODELED STRUCTURE OF THE  
TROUGH; THIS HEAVILY IMPACTS THE DETAILS OF THE FORECAST. RIGHT  
NOW, THE MORE AGGRESSIVE SOLUTIONS COULD SUPPORT A LOW SEVERE  
WEATHER RISK, BUT THAT'S IN CONTRAST TO MORE TAME AND NON-SEVERE  
SOLUTIONS. THERE'S NOT QUITE ENOUGH THERE TO INTRODUCE A SEVERE  
WEATHER RISK AT THIS TIME.  
 
89^GSATTERWHITE  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1122 AM CST THU NOV 20 2025  
 
THE LOW CLOUDS AND FOG HAS FINALLY LIFTED ACROSS THE AREA. WE MAY  
HAVE SOME MVFR CEILINGS OVER THE NEXT HOUR BUT SHOULD LIFT BY  
19/20Z. AT BHM AND EET BUT OVERALL VFR CONDITIONS EXPECTED. THERE  
WILL BE SOME PATCHY FOG/LOW CLOUDS AGAIN TONIGHT BUT THINKING IS  
THE BIGGEST IMPACTS WILL BE AT AUO AND MGM WHERE THE BEST MOISTURE  
WILL BE AROUND WITH LIGHT TO CALM WINDS. AREAS IN THE NORTH WILL  
STILL HAVE A CHANCE FOR FOG BUT WILL SEE INCREASING CLOUDS AS A  
COLD FRONT BEGINS TO ENTER THE PICTURE IN THE WEST. INCLUDED A  
PROB30 FOR RAIN SHOWERS FOR THE NORTH FROM 14 TO 18Z.  
 
16  
 
 
   
FIRE WEATHER  
 
 
MINRH VALUES REMAIN ABOVE CRITICAL THRESHOLDS OVER THE NEXT  
SEVERAL DAYS. AN OPPORTUNITY FOR SHOWERS AND THUNDERSTORMS IS  
FORECAST ON FRIDAY AND TUESDAY.  
 
 
   
CLIMATE  
 
ISSUED AT 1200 AM CST THU NOV 20 2025  
 
RECORD HIGH TEMPERATURES:  
 
NOVEMBER 20:  
KBHM: 79/1896  
KEET: 75/2007  
KANB: 78/1979  
KTCL: 80/1949  
KMGM: 81/1900  
 
NOVEMBER 21:  
KEET: 77/2011  
KANB: 77/2011  
KTCL: 79/1965  
KMGM: 83/2011  
 
NOVEMBER 22:  
KBHM: 79/1900  
KEET: 77/2010  
KANB: 79/1963  
KTCL: 79/1979  
KMGM: 81/2011  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
GADSDEN 78 55 74 62 / 20 10 70 70  
ANNISTON 80 58 75 64 / 10 10 60 70  
BIRMINGHAM 78 59 72 65 / 10 10 70 60  
TUSCALOOSA 82 58 73 64 / 10 10 70 50  
CALERA 82 56 74 64 / 0 0 70 60  
AUBURN 80 57 77 65 / 0 0 20 40  
MONTGOMERY 80 56 79 66 / 0 0 40 40  
TROY 81 55 79 65 / 0 0 20 20  
 
 
   
BMX WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
DISCUSSION...89^GSATTERWHITE  
AVIATION...16  
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