478
FXUS64 KHUN 240617
AFDHUN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
117 AM CDT SUN AUG 24 2025
..NEW NEAR TERM
NEAR TERM
(TODAY)
ISSUED AT 117 AM CDT SUN AUG 24 2025
SHOWERS HAVE DISSIPATED BUT WILL NOT RULE OUT ANOTHER SHOWER OR
TWO OVERNIGHT. WHAT IS EXPECTED TO INCREASE THOUGH IS LOW CLOUD
CEILINGS. THIS COULD IMPACT VISIBILITIES SO USE CAUTION WHEN
DRIVING. CIGS WILL IMPROVE AFTER SUNRISE.
THE PRIMARY TROUGH IS CENTERED UP IN EASTERN ONTARIO, BUT THE
ASSOCIATED COLD FRONT DRAPES ALL THE WAY DOWN INTO THE REGION. THE
FRONT IS CURRENTLY JUST SOUTH OF THE MO BOOTHEEL AND WILL SLIDE
INTO THE TN VALLEY LATER THIS MORNING AS A WEAK SECONDARY TROUGH
IN THE SOUTHERN APPALACHIANS SLIDES EASTWARD. IT WILL DEVELOP A
FEW SHOWERS AND THUNDERSTORMS THIS AFTERNOON WITH A LOW CHANCE
AROUND 20-30% ESPECIALLY FOR THOSE IN NE AL. PRIMARY THREATS
INCLUDE GUSTY WINDS AND HEAVY RAINFALL. WE SHOULD BE ABLE TO WARM
UP INTO THE 80S THIS AFTERNOON, BUT YOU WILL ALREADY START TO FEEL
A DIFFERENCE SHORTLY AFTER WITH THE DRIER AIR FILTERING IN,
LOWERING THE DEWPOINTS. COOLER AIR WILL FOLLOW, ALLOWING A
WONDERFUL FALL NIGHT TONIGHT! IF YOU ARE EXCITED FOR THAT, KEEP
READING AS MORE IS ON THE WAY THIS WEEK.
SHORT TERM
(SUNDAY NIGHT THROUGH TUESDAY)
ISSUED AT 941 PM CDT SAT AUG 23 2025
AS MENTIONED IN THE SECTION ABOVE, A VERY NOTABLE AIR MASS CHANGE
WILL TAKE PLACE EARLY NEXT WEEK IN WAKE OF A COLD FRONT AS AN
UNSEASONABLY COOL/DRY AIR MASS WILL MOVE INTO THE REGION. THIS
WILL NOTICEABLE BY SUNDAY EVENING/NIGHT, AS DEWPOINTS DROP INTO
THE MID 50S -- ALLOWING LOW TEMPERATURES TO DROP BELOW THE 60
DEGREE MARK ACROSS SOUTHERN MIDDLE TENNESSEE AND THE LOWER 60S
ACROSS NORTHERN ALABAMA. MOSTLY SUNNY AND DRY CONDITIONS ON MONDAY
WILL MAKE FOR A BEAUTIFUL DAY (HIGHS IN THE LOW TO MID 80S), WITH
LOWER RH VALUES MAKING IT FEEL QUITE COMFORTABLE. ANOTHER
SHORTWAVE WILL CLIP THE AREA MONDAY NIGHT INTO TUESDAY, BRINGING
ANOTHER REINFORCING SHOT OF COOL AIR. AS A RESULT, HIGH
TEMPERATURES ON TUESDAY WILL RUN AROUND 15 DEGREES BELOW NORMAL
FOR LATE AUGUST, WITH HIGHS IN THE MID TO UPPER 70S IN MOST
LOCATIONS!
LONG TERM
(TUESDAY NIGHT THROUGH SATURDAY)
ISSUED AT 941 PM CDT SAT AUG 23 2025
HIGH PRESSURE WILL CONTINUE TO BUILD IN FROM THE NORTH AND WEST
MID TO LATE WEEK, REINFORCING THE MOSTLY SUNNY AND DRY CONDITIONS
AND SUBSEQUENTLY THIS UNSEASONABLY COOL/DRY AIR MASS. THE COOLEST
TEMPERATURES SINCE EARLY/MID MAY WILL BE EXPERIENCED TUESDAY NIGHT
UNDER A CLEAR SKY AS TEMPERATURES FALL INTO THE MID TO UPPER 50S.
BEAUTIFUL WEATHER WILL CONTINUE WITH LOWER RH VALUES AND AMPLE
SUNSHINE EACH DAY THROUGH THE REMAINDER OF THE WORK WEEK AND INTO
LABOR DAY WEEKEND. HIGH TEMPERATURES EACH AFTERNOON SHOULD CLIMB
INTO THE LOWER 80S IN MOST LOCATIONS, WITH LOWS DROPPING INTO THE
UPPER 50S TO LOWER 60S EACH NIGHT.
AVIATION
(06Z TAFS)
ISSUED AT 1049 PM CDT SAT AUG 23 2025
VFR CONDITIONS WILL BE THE PREDOMINANT FLIGHT CATEGORY AT EACH
TERMINAL THROUGH THE PERIOD. HOWEVER, WE WILL MONITOR THE
POTENTIAL FOR PATCHY FOG TO DEVELOP AT BOTH TERMINALS LATE TONIGHT
INTO EARLY SUNDAY MORNING WHICH COULD PROMPT LOCALIZED MVFR TO
IFR CONDITIONS. AFTER 13-14Z, THIS FOG AND/OR LOW CLOUDINESS WILL
DIMINISH WITH A MOSTLY CLEAR SKY AND LIGHT WINDS PREVAILING
THROUGH THE END OF THE PERIOD.
HUN WATCHES/WARNINGS/ADVISORIES
AL...NONE.
TN...NONE.
NEAR TERM...JMS
SHORT TERM....AMP
LONG TERM....AMP
AVIATION...AMP
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