666
FXUS64 KHUN 041739
AFDHUN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1139 AM CST WED FEB 4 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 1139 AM CST WED FEB 4 2026
- LIGHT DRIZZLE/LOW CLOUDS COUPLED WITH PATCHY FOG WILL LINGER
INTO THE EARLY AFTERNOON.
- DRY CONDITIONS AND A WARMING TREND WILL FOLLOW FROM THURSDAY
THROUGH MONDAY.
NEAR TERM
(REST OF TODAY AND TONIGHT)
ISSUED AT 1000 AM CST WED FEB 4 2026
A COLD FRONT HAD FINALLY PUSHED EAST OF THE AREA AROUND 6 AM.
DESPITE THAT, PLENTY OF LOWER-LEVEL MOISTURE PRESENT EITHER SIDE
OF FRONT PERSISTED, WHICH HAS RESULTED IN LOW CLOUD, DRIZZLE AND
FOG IMPACTS. THE FOG HAS BEEN DENSE IN A NUMBER OF PLACES, THUS
HAVE EXPANDED A DENSE FOG ADVISORY WESTWARD TO INCLUDE LIMESTONE,
MORGAN, CULLMAN COUNTIES, AND EXTENDED THE EXPIRATION TIME TILL
11 AM CST. SHORT TERM MODEL OUTPUT INDICATED A BROAD ISENTROPIC
DOWN GLIDE OF MOISTURE IN THE LOWEST LEVELS (285-290K) ACROSS THE
TENNESSEE VALLEY, ALIGNED WITH THE FRONT. THIS SHOULD MOVE
EASTWARD DURING THE COURSE OF THE DAY, WHICH SHOULD BRING
IMPROVEMENTS WITH FOG ACROSS THE AREA AS WE GO INTO THE AFTERNOON.
HIGHER MOISTURE LEVELS MORE ALOFT WILL CONTINUE, MAKING FOR A
CLOUDY DAY. WITH COLD AIR ADVECTION AND CONDENSATION FROM IT
HELPING TO KEEP CLOUDS IN PLACE, A CHILLY DAY IS EXPECTED. HIGH
TEMPERATURES LATER TODAY SHOULD WARM INTO THE LOWER 40S, WITH NW
WINDS OF 5-15 MPH.
CLOUDY SKIES WILL CONTINUE TONIGHT, AS COLDER AIR FROM THE NW
FILTERS ACROSS THE AREA. LOWS TONIGHT WILL FALL MAINLY INTO THE
LOWER 20S. A NW WIND OF 5-15 MPH WILL KEEP CONDITIONS STIRRED UP
AND INHIBIT FOG DEVELOPMENT.
SHORT TERM
(THURSDAY THROUGH FRIDAY)
ISSUED AT 1000 AM CST WED FEB 4 2026
DRIER AIR FROM THE NW WILL CONTINUE FILTERING IN, WHICH SHOULD
RESULT IN CLOUDS FINALLY FADING AND MORE DIRECT SUN RETURNING
THURSDAY. DESPITE THE SUN, STRONG COLD AIR ADVECTION WILL HELP
CONTINUE CHILLY CONDITIONS, WITH HIGHS ONLY WARMING MOSTLY INTO
THE LOWER 40S AND NW WINDS OF 5-10 MPH. COLD CONDITIONS CONTINUE
THURSDAY NIGHT WITH LOWS IN THE MID 20S. A NOTICEABLE WARMER TREND
IS EXPECTED FRIDAY. UNDER SUNNY SKIES, HIGHS SHOULD RISE INTO THE
MID TO UPPER 50S.
LONG TERM
(FRIDAY NIGHT THROUGH TUESDAY)
ISSUED AT 955 PM CST TUE FEB 3 2026
THE WARMING TREND CONTINUES THROUGH EARLY NEXT WEEK AS THE
AFOREMENTIONED UPPER LEVEL RIDGE AND SUBSEQUENT SFC HIGH PRESSURE
CONTINUES TO INFLUENCE THE AREA. DRY CONDITIONS ARE FORECAST AS
HIGHS WARM INTO THE 60S BY SUNDAY. THESE TEMPERATURES ARE AROUND
5-10 DEGREES ABOVE NORMAL FOR THIS TIME OF YEAR. THE MAIN FEATURE
IN THE LONG TERM TO MONITOR WILL BE THE TRACK OF A POTENTIAL COLD
FRONT FORECAST TO PUSH SOUTHWARD FROM CANADA INTO THE APPALACHIAN
REGION. IF THIS FRONT SHIFTS MORE SOUTHWARD THAN CURRENTLY
FORECAST, TEMPERATURES WILL BE MUCH COOLER THAN CURRENTLY
EXPECTED. WE WILL CONTINUE TO MONITOR THESE TRENDS THROUGH THE
WEEK. AT THE TAIL END OF THE LONG TERM PERIOD INTO MID WEEK, WE
ARE MONITORING RAIN CHANCES RETURNING AS AN UPPER LEVEL SHORTWAVE
IS CURRENTLY PROJECTED IN GLOBAL MODELS.
AVIATION
(18Z TAFS)
ISSUED AT 1139 AM CST WED FEB 4 2026
INCLEMENT CONDITIONS PREVAILED OVER AND AROUND THE TN VALLEY, AS
POST FRONTAL LOW CLOUDS AND PATCHY FOG REMAIN. IFR CIGS PREVAILED
WITH VSBY REDUCTIONS FROM PATCHY FOG AND/OR DRIZZLE. A VISIBLE
SATELLITE ANIMATION INDICATED DRIER AIR HEADING TO THE SE FROM
WESTERN TN. THIS SHOULD GRADUALLY RESULT IN SLOW IMPROVEMENTS,
WITH MVFR CONDITIONS EXPECTED TONIGHT. A DECK OF LOW CLOUDS, ALONG
WITH STEADY NNW FLOW OF 5-15KT SHOULD HELP MINIMIZE FOG/FREEZING
FOG DEVELOPMENT, DESPITE A WET GROUND FROM RECENT RAINFALL. VFR
CONDITIONS SHOULD RETURN AFTER DAYBREAK THU AS CLOUDS FROM THE
SYSTEM FINALLY DISSIPATE.
HUN WATCHES/WARNINGS/ADVISORIES
AL...NONE.
TN...NONE.
NEAR TERM...RSB
SHORT TERM....RSB
LONG TERM....HC
AVIATION...RSB
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page