908
FXUS64 KHUN 051403
AFDHUN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
903 AM CDT MON OCT 5 2026
..NEW NEAR TERM, SHORT TERM
KEY MESSAGES
UPDATED AT 903 AM CDT MON OCT 5 2026
- DRY, WARM WEATHER, BUT LOWER HUMIDITY, IS EXPECTED THROUGH
FRIDAY.
- RAIN IS EXPECTED TO DEVELOP IN THE AREA AGAIN NEXT WEEKEND,
WITH CHANCES FOR THUNDERSTORMS (20-30%) ON SATURDAY.
NEAR TERM
(REST OF TODAY AND TONIGHT)
ISSUED AT 903 AM CDT MON OCT 5 2026
FAIRLY TRANQUIL WEATHER ACROSS THE TENNESSEE VALLEY THIS MONDAY
MORNING, WITH CLEARING CONDITIONS IN WAKE OF THE FRONT THAT SLID
SOUTH OF THE AREA YESTERDAY. HIGH PRESSURE WILL CONTINUE TO BUILD
IN FROM THE NORTH OVER THE OHIO VALLEY AND INTO THE TENNESSEE
VALLEY TODAY. AS A RESULT, CLOUDS WILL DISPERSE ACROSS MOST
LOCATIONS BY THE AFTERNOON, WITH AMPLE SUNSHINE ALLOWING HIGH
TEMPERATURES TO REACH THE LOW TO MID 80S BY THIS AFTERNOON.
TONIGHT SHOULD BE AN EXCELLENT SETUP FOR RADIATIONAL COOLING IN
THIS DRIER POSTFRONTAL AIR MASS. THE COMBINATION OF A MOSTLY CLEAR
SKY AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP INTO THE
UPPER 40S TO LOWER 50S BY EARLY TUESDAY MORNING.
SHORT TERM
(TUESDAY THROUGH WEDNESDAY NIGHT)
ISSUED AT 903 AM CDT MON OCT 5 2026
A LARGE AREA OF HIGH PRESSURE OVER THE OHIO VALLEY WILL REMAIN THE
DOMINANT WEATHER FEATURE ACROSS THE REGION TUESDAY AND WEDNESDAY.
EXPECT MORE OF THE SAME FOR THE NEXT COUPLE OF DAYS: BEAUTIFUL,
AUTUMN WEATHER. WITH PLENTY OF SUNSHINE, DAYTIME HIGHS WILL REACH
THE LOW TO MID 80S EACH DAY -- AND WITH RH VALUES DROPPING TO
AROUND 40 PERCENT, IT WILL FEEL QUITE COMFORTABLE OUTSIDE. GOOD
RADIATIONAL COOLING WILL OCCUR EACH NIGHT, WITH LOWS DROPPING INTO
THE LOW TO MID 50S.
LONG TERM
(THURSDAY THROUGH SUNDAY)
ISSUED AT 1045 PM CDT SUN OCT 4 2026
DRY CONDITIONS WITH ABOVE NORMAL WARMTH FOR EARLY OCTOBER CONTINUES
THURSDAY. SURFACE HIGH PRESSURE SITUATED FROM THE CENTRAL GREAT
PLAINS TO OFF OF THE MID ATLANTIC COAST SHOULD BRING AN EASTERLY
FLOW ACROSS THE DEEP SOUTH. UNDER MOSTLY SUNNY SKIES, WARM
TEMPERATURES WILL PREVAIL WITH HIGHS RISING INTO THE MID/UPPER 80S.
THIS WARMTH WILL RESULT IN LOW AFTERNOON RELATIVE HUMIDITIES REDUCED
INTO THE MID 20S PERCENT ACROSS MUCH OF THE TENNESSEE VALLEY WEST OF
I-65. A FORECAST OF LIGHT WINDS SHOULD HELP TEMPER ELEVATED OUTDOOR
FIRE SPREAD RISKS. SIMILAR WARMTH IS FORECAST FRI WITH HIGHS AGAIN
CLIMBING INTO THE MID/UPPER 80S, WITH SIMILAR REDUCED MID AFTERNOON
RELATIVE HUMIDITIES. LOW TEMPERATURES BOTH THU/FRI NIGHT SHOULD COOL
INTO THE 50S.
A FORECAST FOR THE UPCOMING WEEKEND IS ONE OF LOW CONFIDENCE
REGARDING RAIN CHANCES. THE MODELS GENERALLY SHOW MOISTURE TO OUR
SOUTH MOVING FURTHER NORTHWARD. SOME OF THE MODELS, ESPECIALLY THE
12Z CANADIAN AND 18Z GFS HINT AT A POTENTIAL TROPICAL SYSTEM MOVING
FROM THE WESTERN GULF OF AMERICA, ACROSS THE DEEP SOUTH (INCLUDING
THIS REGION) SAT INTO SUN. THE 12Z ECMWF KEPT IT'S TROPICAL ENTITY
MORE OVER THE WESTERN GULF, WITH LESSER MOISTURE IMPACTING THIS
REGION. MANY THINGS COULD OCCUR WITH THE DEVELOPMENT OF THIS SYSTEM
AS WE GO THROUGH THE WEEK; SOMETHING THAT'LL CLOSELY BE MONITORED.
AVIATION
(12Z TAFS)
ISSUED AT 451 AM CDT MON OCT 5 2026
CEILINGS OF 015-025AGL (MVFR) WILL EXIT SOUTHEAST AREAS OF NORTH
AL BY 14Z. HIGH CLOUDS WILL CLEAR FROM NORTHWEST TO SOUTHEAST
THROUGH THE DAY, WITH VFR CONDITIONS EXPECTED. NORTHEAST FLOW OF
5-10KT WILL GUST AT 15-20KT THROUGH 00Z BEFORE DIMINISHING.
HUN WATCHES/WARNINGS/ADVISORIES
AL...NONE.
TN...NONE.
NEAR TERM...AMP.24
SHORT TERM....AMP.24
LONG TERM....RSB
AVIATION...17
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