608  
FXUS64 KBMX 260510  
AFDBMX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
1210 AM CDT FRI JUN 26 2026  
   
..NEW DISCUSSION  
 
   
KEY MESSAGES  
 
ISSUED AT 1205 AM CDT FRI JUN 26 2026  
 
- HEAT & HUMIDITY: A SIGNIFICANT WARMING TREND BEGINS LATE THIS  
WEEK. HEAT INDICES ARE EXPECTED TO APPROACH OR EXCEED 100  
DEGREES DAILY FROM FRIDAY THROUGH THE MIDDLE OF NEXT WEEK. THIS  
WILL POSE A MODERATE TO MAJOR HEAT RISK OVER THE MAJORITY OF  
THE REGION.  
 
 
   
DISCUSSION  
 
(TODAY THROUGH THURSDAY)  
ISSUED AT 1205 AM CDT FRI JUN 26 2026  
 
THROUGH THE SHORT TERM, LOW CHANCES FOR CONVECTION WILL BE  
PRESENT DUE TO A DETERIORATING SURFACE BOUNDARY MEANDERING ACROSS  
PORTIONS OF ALABAMA. THIS BOUNDARY WILL INTERACT AND ENHANCE  
CONDITIONS WITH AN UPPER SHORTWAVE MOVING THROUGH THE BASE OF AN  
EASTERN CONUS TROUGH. AFTER FRIDAY, THE UPPER TROUGH WILL PUSH  
EASTWARD. AT THE SAME TIME OVER THIS WEEKEND, A LARGE UPPER RIDGE  
WILL DEVELOP ACROSS THE MIDSECTION OF THE US INCLUDING TEXAS, THE  
PLAINS, MISSISSIPPI VALLEY, AND INTO THE DEEP SOUTH. IN THE LOWER  
LEVELS, THE DETERIORATING SURFACE BOUNDARY WILL DISSIPATE. ANY  
FRONTS ARE EXPECTED TO REMAIN WELL TO THE NORTH OF THE DEEP  
SOUTH, AND SURFACE RIDGING IS EXPECTED TO DEVELOP ACROSS MUCH OF  
EASTERN CONUS THROUGH THE EXTENDED. IT IS IMPORTANT TO NOTE THAT  
AN UPPER RIDGE DOES NOT ALWAYS MEAN ZERO RAIN CHANCES. THAT  
DEPENDS ON THE STRENGTH OF THE RIDGE. IN THIS CASE, SOME WEAK  
DISTURBANCES WILL BE POSSIBLE AROUND THE RIDGE. WITH HOT  
AFTERNOON SUMMER TEMPERATURES, RAIN CHANCES WILL BE ISOLATED AND  
DIURNALLY INDUCED, BUT NOT NECESSARILY ZERO. TEMPERATURES WILL  
CREEP UPWARD AS WE HEAD TOWARD THE END OF JUNE INTO EARLY JULY  
WITH OVERALL HEAT STRESS BECOMING A CONCERN AS WE HEAD INTO THIS  
WEEKEND AND INTO THE MIDDLE OF NEXT WEEK. CURRENT TRENDS ARE  
LEANING TO A HEAT ADVISORY BECOMING NECESSARY BY MONDAY OF NEXT  
WEEK.  
 
08  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 750 PM CDT THU JUN 25 2026  
 
VFR CONDITIONS EXPECTED FOR MOST TAF SITES THROUGH THE NEXT  
24 HOURS. ONE EXCEPTION WILL BE WITH SOME LATE AFTERNOON/EARLY  
EVENING CONVECTION THAT IS LINGERING. I HAVE A MENTION THROUGH 3Z  
FOR LINGERING ACTIVITY FOR ALL SITES BUT BHM/AUO. LOW LEVEL  
MOISTURE WILL ACCOUNT FOR SOME MVFR STRATUS DEVELOPMENT AFTER 9Z.  
I WILL ONLY INCLUDE A MENTION AT AUO AT THIS TIME, AS CONFIDENCE  
IS LOW ELSEWHERE. ISOLATED AREAS OF CONVECTION ARE EXPECTED AGAIN  
ON FRIDAY, BUT CHANCES ARE TOO LOW TO PINPOINT THIS ACTIVITY TO  
INCLUDE JUST YET.  
 
NOTE: AMD NOT SKED WILL CONTINUE FOR THE AUO TAF UNTIL DATA  
ISSUES WITH OBSERVATIONS ARE RESOLVED.  
 
08  
 
 
   
FIRE WEATHER  
 
ISOLATED TO SCATTERED RAIN CHANCES WILL PERSIST FOR SOME THROUGH  
SATURDAY, BUT CONDITIONS GENERALLY BECOME LESS FAVORABLE FOR  
WETTING RAINS THROUGH THE WEEKEND. HEAT AND HUMIDITY WILL BE THE  
MAIN STORY OVER THE WEEKEND AND INTO THE MIDDLE OF NEXT WEEK AS  
HEAT INDICES APPROACH AND TOP 100 DEGREES. FIRE WEATHER IMPACTS  
ARE NOT ANTICIPATED AS THE HUMID AIR MASS BUILDS IN.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
GADSDEN 90 73 91 73 / 10 20 20 10  
ANNISTON 89 74 90 74 / 10 20 20 0  
BIRMINGHAM 91 75 91 75 / 20 20 10 0  
TUSCALOOSA 92 75 92 75 / 20 20 0 0  
CALERA 93 74 94 74 / 20 20 10 0  
AUBURN 88 73 90 74 / 20 20 10 0  
MONTGOMERY 91 74 92 74 / 20 20 10 0  
TROY 90 72 92 73 / 30 20 10 0  
 
 
   
BMX WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
DISCUSSION...08  
AVIATION...08  
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