360
FNUS74 KHUN 011153
FWSHUN
SPOT FORECAST FOR PAYNE DEMO...USFS
NATIONAL WEATHER SERVICE HUNTSVILLE AL
653 AM CDT THU MAY 1 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MIXING HEIGHTS ARE FORECAST TO BE 3600FT AT IGNITION TIME
ACCOMPANIED BY SSW TRANSPORT WINDS AT 20 MPH. BY NOON, MIXING
HEIGHTS ARE FORECAST TO RISE TO 5300FT WITH SSW TRANSPORT WINDS
AROUND 22 MPH. PEAK MIXING HEIGHTS ARE FORECAST AROUND 1 PM AT
6200FT WITH SW TRANSPORT WINDS AROUND 22 MPH. MIXING HEIGHTS ARE
FORECAST TO GRADUALLY DECREASE INTO THE LATE AFTERNOON/EVENING.
RAIN CHANCES BEGIN LOW (10%) AT IGNITION TIME AND INCREASE
THROUGHOUT THE DAY- REACHING MEDIUM TO HIGH CHANCES (50-70%) BY
THE AFTERNOON HOURS. WETTING RAINS ARE FORECAST THIS AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
TEMPERATURE.........73 AT IGNITION...MAX 82.
RH..................79 PERCENT AT IGNITION...MIN 60 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 7 MPH AT IGNITION...OTHERWISE
SOUTH WINDS 6 TO 8 MPH. GUSTS UP TO 20 MPH IN
THE LATE MORNING AND EARLY AFTERNOON.
CWR.................10 PERCENT.
CHANCE OF PCPN......70 PERCENT.
MIXING HEIGHT.......3600 FT AGL AT IGNITION...OTHERWISE 6200 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 16 TO 23 MPH.
LVORI...............2.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 80 76 73 68 64 59 61
WEATHER COV.....
WEATHER TYPE....
TEMP............73 75 76 78 79 78 77 76
RH..............79 74 69 64 60 60 62 62
20 FT WIND DIR..190 190 200 200 210 200 200 220
20 FT WIND SPD..7 8 9 9 9 8 7 7
20 FT WIND GUST.20 20 20 20 18 18 18 17
MIX HGT (KFT)...3.6 4.5 5.3 6.2 5.7 5.2 4.8 3.9
TRANSP WIND DIR.200 200 200 210 220 210 210 230
TRANSP WIND SPD.20 21 22 22 23 21 16 17
DISPERSION IDX..13 67 77 84 90 73 50 51
LVORI...........3 3 3 1 1 1 1 1
CWR.............10 10 10 50 60 60 50 70
CHC OF PCPN (%).10 10 10 50 60 60 50 70
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
TEMPERATURE.........MIN 61.
RH..................MAX 100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
CWR.................60 PERCENT.
CHANCE OF PCPN......60 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.
LVORI...............5.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........64 66 70 73 77 73 68 64 68 72 76 74
WEATHER COV.....
WEATHER TYPE....
TEMP............75 71 68 66 65 64 64 63 63 63 63 63
RH..............66 76 87 93 97 100 97 100 100 100 100 100
20 FT WIND DIR..230 200 180 190 180 180 190 190 190 180 190 190
20 FT WIND SPD..6 5 3 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.16 15 14 13 12 12 12 12 12 12 10 10
MIX HGT (KFT)...3.0 2.1 1.4 0.8 0.2 0.2 0.3 0.3 0.2 0.2 0.1 0.3
TRANSP WIND DIR.240 210 210 190 190 190 190 180 190 190 200 200
TRANSP WIND SPD.14 10 10 8 9 12 8 8 9 9 9 9
DISPERSION IDX..32 0 7 5 6 12 4 4 4 4 4 4
LVORI...........1 5 5 5 8 8 8 9 9 9 9 9
CWR.............60 30 20 20 20 20 20 20 20 20 10 20
CHC OF PCPN (%).60 30 20 20 20 20 20 20 20 20 10 20
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
TEMPERATURE.........MAX 81.
RH..................MIN 62 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
CWR.................80 PERCENT.
CHANCE OF PCPN......80 PERCENT.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 15 MPH.
LVORI...............5.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........73 71 67 64 60 60 59 59 60 61 62 58
WEATHER COV.....
WEATHER TYPE....
TEMP............62 64 65 68 71 74 76 77 78 78 78 77
RH..............100 97 100 93 84 76 71 69 65 63 62 63
20 FT WIND DIR..190 180 180 190 200 200 200 200 200 200 200 200
20 FT WIND SPD..2 2 2 2 3 5 5 6 6 6 6 5
20 FT WIND GUST.10 10 12 12 12 12 13 13 13 13 13 13
MIX HGT (KFT)...0.4 0.5 0.8 1.1 1.4 2.9 4.3 5.8 6.1 6.4 6.6 4.6
TRANSP WIND DIR.190 200 200 210 210 210 220 220 220 210 210 210
TRANSP WIND SPD.8 7 10 12 12 13 13 14 15 15 15 15
DISPERSION IDX..4 3 5 5 5 39 49 52 54 46 36 26
LVORI...........9 9 9 9 3 3 3 1 1 1 2 2
CWR.............10 30 30 30 30 30 30 80 80 80 80 80
CHC OF PCPN (%).10 30 30 30 30 30 30 80 80 80 80 80
FORECASTER...CRAMER
REQUESTED BY...CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 2512509.0/HUN
.DELDT 05/01/25
.FORMATTERVERSION 2.0.0
.EMAIL KERRY.CLARK@USDA.GOV,GARY.C.MOORE@USDA.GOV
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