928
FNUS74 KHUN 070923
FWSHUN
SPOT FORECAST FOR ROCKHOUSE...USFS
NATIONAL WEATHER SERVICE HUNTSVILLE AL
423 AM CDT TUE APR 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NORTHEASTERLY 20 FOOT WINDS AT IGNITION TIME WILL BE AROUND 5 MPH
AND INCREASE TO AROUND 7 MPH AROUND 1 PM. SOME GUSTS BETWEEN 15
AND 20 MPH. NORTHEASTERLY TRANSPORT WINDS AROUND IGNITION TIME ARE
EXPECTED TO BE AROUND 15 MPH AND INCREASE TO AROUND 20 MPH AFTER
10 AM. RELATIVE HUMIDITY VALUES AROUND IGNITION TIME ARE EXPECTED
TO BE AROUND 60 PERCENT AND DROP TO AROUND 30 PERCENT AROUND NOON.
RH VALUES SHOULD REACH A MINIMUM LATER IN THE AFTERNOON BETWEEN
27A ND 29 PERCENT. MIXING HEIGHTS AROUND IGNITION TIME OF 1300
FEET WILL CLIMB ABOVE 2000 FEET SHORTLY AFTER 10 AM AND REACH A
MAXIMUM OF 6000 FEET AROUND 4 PM.
20 FOOT WINDS WILL SHIFT TO THE SOUTHEAST BY IGNITION TIME ON
WEDNESDAY. THEY WILL LIKELY START OUT LIGHT AND VARIABLE AND THEN
INCREASE TO AROUND 6 MPH BY 10 AM AND CONTINUE INTO THE AFTERNOON
HOURS. GUSTS AROUND 15 MPH ARE EXPECTED BY IGNITION TIME ON
WEDNESDAY AND SHOULD CONTINUE THROUGH THE DAY. TRANSPORT WINDS
AROUND IGNITION TIME ON WEDNESDAY WILL BE AROUND 15 MPH AND
DECREASE AFTER NOON TO AROUND 10 MPH. RH VALUES SHOULD START A BIT
HIGHER AROUND 66 PERCENT AND DROP TO AROUND 40 PERCENT BY NOON
BEFORE BOTTOMING OUT AROUND 35 PERCENT BETWEEN 2 AND 4 PM. MIXING
HEIGHTS AROUND 9AM SHOULD BE AROUND 1600 FEET. THEY SHOULD
INCREASE OVER 2000 FEET BY 10 AM BEFORE REACHING A MAXIMUM HEIGHT
JUST BELOW 6000 FEET AROUND 4 PM.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH IN
THE LATE MORNING AND AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 18 MPH.
LVORI...............2.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 2 1 2 3 2 4 5 5
WEATHER COV.....
WEATHER TYPE....
TEMP............54 61 65 68 70 72 73 73 72
RH..............59 44 37 32 31 29 27 28 28
20 FT WIND DIR..050 050 050 050 040 040 040 040 040
20 FT WIND SPD..5 6 6 6 7 7 7 7 6
20 FT WIND GUST.17 17 17 17 16 17 17 16 15
MIX HGT (KFT)...1.3 1.9 2.8 3.8 4.8 5.2 5.6 6.0 4.3
TRANSP WIND DIR.050 060 060 050 050 050 050 050 040
TRANSP WIND SPD.15 17 18 18 17 17 17 16 15
DISPERSION IDX..7 8 68 90 96 103 109 108 81
LVORI...........3 1 1 1 1 1 1 1 1
CWR.............0 0 0 0 0 0 0 0 0
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........LIGHT WINDS.
CWR.................0 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 13 MPH DECREASING TO AROUND 3
MPH EARLY IN THE MORNING.
LVORI...............3.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 16 16 16 19 17 25 26 33 31 39 44
WEATHER COV.....
WEATHER TYPE....
TEMP............71 67 60 58 56 54 52 50 49 49 48 47
RH..............30 37 53 57 62 64 69 74 73 75 77 79
20 FT WIND DIR..040 030 030 030 040 040 040 040 040 050 050 060
20 FT WIND SPD..5 3 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.15 14 14 14 14 14 13 13 13 13 13 13
MIX HGT (KFT)...2.6 0.9 0.7 0.5 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.040 040 040 030 030 040 040 050 050 050 060 060
TRANSP WIND SPD.13 12 10 8 7 6 6 6 6 5 5 3
DISPERSION IDX..43 13 9 4 2 1 3 3 3 2 2 2
LVORI...........1 2 2 2 3 3 3 3 3 3 4 4
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN
THE LATE MORNING AND AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......5700 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 8 MPH SHIFTING TO THE SOUTHEAST 10 TO
16 MPH IN THE LATE MORNING AND AFTERNOON.
LVORI...............3.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 44 57 54 50 49 49 48 49 49 50 50
WEATHER COV.....
WEATHER TYPE....
TEMP............48 48 50 55 61 65 69 72 73 74 74 73
RH..............74 77 76 66 53 46 41 37 35 34 35 36
20 FT WIND DIR..070 090 110 120 120 120 130 130 130 120 120 120
20 FT WIND SPD..2 2 2 3 6 6 6 6 6 6 6 5
20 FT WIND GUST.14 14 15 16 17 17 16 15 15 14 14 13
MIX HGT (KFT)...0.1 0.1 0.9 1.6 2.4 3.3 4.1 5.0 5.2 5.4 5.7 4.7
TRANSP WIND DIR.080 080 100 120 140 140 140 130 130 130 130 130
TRANSP WIND SPD.3 5 8 13 16 16 14 12 10 10 10 10
DISPERSION IDX..2 2 4 6 11 67 72 72 67 70 72 61
LVORI...........4 3 3 3 1 1 1 1 1 1 1 1
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...WEBER
REQUESTED BY...CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 2609202.0/HUN
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL GARY.C.MOORE@USDA.GOV,KERRY.CLARK@USDA.GOV
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