799
FNUS54 KHUN 260921
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
421 AM CDT THU MAR 26 2026
DISCUSSION
LIGHT-MODERATE SSW FLOW IN THE LOW-LEVELS WILL PERSIST ACROSS
NORTHERN AL TODAY AND TONIGHT, AS OUR REGION WILL BE LOCATED ALONG
THE NORTHERN EDGE OF A SURFACE RIDGE LYING ACROSS THE CENTRAL
GULF. DEWPOINTS WILL CONTINUE TO GRADUALLY CLIMB IN THIS REGIME,
WITH MINRH VALUES BOTH TODAY AND FRIDAY EXPECTED TO BE IN THE
40-50% RANGE. ON FRIDAY AFTERNOON, A COLD FRONT WILL TRACK
SOUTHEASTWARD ACROSS THE REGION, BRINGING A SHARP WIND SHIFT TO
NNW IN ITS WAKE, WITH SURFACE GUSTS INCREASING TO 25-30 MPH. A
THIN BAND OF LIGHT SHOWERS MAY EVOLVE ALONG THE COLD FRONT (WITH
MORE WIDESPREAD LIGHT RAIN EXPECTED TO ITS NORTH) AND CHANCES FOR
WETTING RAINFALL ARE IN THE 20-40% RANGE (HIGHEST NORTH OF THE TN
RIVER). SMOKE DISPERSION INDEX VALUES WILL BE IN THE VERY GOOD
CATEGORY TODAY, BUT WILL DECLINE A BIT ON FRIDAY AS MIXING HEIGHTS
FALL. IN THE EXTENDED PORTION OF THE FORECAST, A COOL/DRY AIRMASS
WILL REMAIN IN PLACE THIS WEEKEND, WITH AFTERNOON RH VALUES IN
THE 20-25% RANGE ON SATURDAY AND 25-30% RANGE ON SUNDAY. HOWEVER,
LOW-LEVEL MOISTURE WILL RETURN EARLY NEXT WEEK, WITH A LOW CHANCE
FOR MAINLY AFTERNOON SHOWERS AND THUNDERSTORMS ON
TUESDAY/WEDNESDAY.
FOG POTENTIAL OVER THE NEXT FEW DAYS: BRIEF DEVELOPMENT OF PATCHY
FOG MAY OCCUR DURING THE EARLY MORNING HOURS TODAY AND FRIDAY
(MAINLY IN SHELTERED VALLEYS AND NEAR LARGE BODIES OF WATER).
POTENTIAL FOR RED FLAG CONDITIONS: RED FLAG CONDITIONS MAY BE
ACHIEVED ON BOTH SATURDAY AND SUNDAY (IF WINDS ARE SUFFICIENTLY
STRONG).
ALZ001>003-262130-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
421 AM CDT THU MAR 26 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR PCLDY
MAX/MIN TEMP 83 59 80
MIN/MAX RH % 41 90 51
WIND 20FT AM (MPH) SW 10 G18 SW 5 NW 11 G22
WIND 20FT PM (MPH) SW 10 G18 SW 5 NW 11 G22
CHANCE PRECIP (%) 0 0 20
PRECIP TYPE NONE NONE SHOWERS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5800 4900
TRANSPORT WND (MPH) SW 22 W 16
STABILITY CLASS D D D
MAX LVORI 5 4 4
DISPERSION 120 VERY GOOD 78 GOOD
REMARKS...NONE.
ALZ004-014-262130-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
421 AM CDT THU MAR 26 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR PCLDY
MAX/MIN TEMP 83 59 82
MIN/MAX RH % 40 96 41
WIND 20FT AM (MPH) SW 9 SW 4 NW 9 G21
WIND 20FT PM (MPH) SW 9 SW 4 NW 9 G21
CHANCE PRECIP (%) 0 0 20
PRECIP TYPE NONE NONE SHOWERS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5900 5300
TRANSPORT WND (MPH) SW 20 W 16
STABILITY CLASS D D D
MAX LVORI 6 5 4
DISPERSION 114 VERY GOOD 82 GOOD
REMARKS...NONE.
ALZ005>007-016-262130-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
421 AM CDT THU MAR 26 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
MAX/MIN TEMP 83 59 82
MIN/MAX RH % 42 95 43
WIND 20FT AM (MPH) SW 9 G17 SW 4 NW 10 G22
WIND 20FT PM (MPH) SW 9 G17 SW 4 NW 10 G22
CHANCE PRECIP (%) 0 0 20
PRECIP TYPE NONE NONE SHOWERS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5900 5600
TRANSPORT WND (MPH) SW 18 NW 16
STABILITY CLASS D D D
MAX LVORI 5 5 4
DISPERSION 103 VERY GOOD 85 GOOD
REMARKS...NONE.
ALZ008>010-262130-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
421 AM CDT THU MAR 26 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
MAX/MIN TEMP 80 57 81
MIN/MAX RH % 47 94 48
WIND 20FT AM (MPH) SW 8 SW 4 W 9 G20
WIND 20FT PM (MPH) SW 8 SW 4 W 9 G20
CHANCE PRECIP (%) 0 0 20
PRECIP TYPE NONE NONE SHOWERS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5900 5600
TRANSPORT WND (MPH) SW 17 NW 17
STABILITY CLASS D D D
MAX LVORI 6 5 5
DISPERSION 99 GOOD 95 GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS AROUND
15 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH 23 PERCENT.
NORTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 29 PERCENT.
EAST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. MINIMUM RH
46 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
45 PERCENT. SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
46 PERCENT. SOUTH WINDS AROUND 10 MPH.
70/DD
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