Spot Forecast
Issued by NWS Huntsville, AL

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000
FNUS74 KHUN 231034
FWSHUN

Spot Forecast for Houston / McaHann...USFS
National Weather Service Huntsville AL
534 AM CDT Tue Apr 23 2024

Forecast is based on ignition time of 1000 CDT on April 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Winds will remain out of the south today, with 20 ft winds
around 10-12 mph in the afternoon (and gusts up to 15-20 mph).
Temperatures will climb into the mid 70s this afternoon which
will knock Min RH values down to around 33 percent. Mixing
heights will increase from 3.4 kft at ignition to 4.3 kft this
afternoon, with good dispersion expected. No chance of rain as
fuels will remain very dry.



.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Temperature.........64 at ignition...Max 74.
RH..................48 percent at ignition...Min 33 percent.
Wind (20 ft)........Winds south at 12 mph at ignition...otherwise
                    South winds 8 to 10 mph.
CWR.................0 percent.
Chance of pcpn......0 percent.
Mixing height.......3400 ft AGL at ignition...otherwise 4300 ft
                    AGL.
Transport winds.....South 15 to 18 mph.
LVORI...............1.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1   1   1   1   1   1   2   2
WEATHER COV.....
WEATHER TYPE....
TEMP............64  68  69  72  73  73  73  72
RH..............48  40  37  34  33  34  34  36
20 FT WIND DIR..190 190 200 200 200 200 200 200
20 FT WIND SPD..12  12  13  12  12  13  13  13
20 FT WIND GUST.17  17  20  17  17  18  18  18
MIX HGT (KFT)...3.4 3.7 3.9 4.2 4.3 4.3 4.3 3.0
TRANSP WIND DIR.200 200 200 200 200 200 200 200
TRANSP WIND SPD.15  16  16  16  17  18  18  16
DISPERSION IDX..11  77  79  88  95  102 103 65
LVORI...........1   1   1   1   1   1   1   1
CWR.............0   0   0   0   0   0   0   0
CHC OF PCPN (%).0   0   0   0   0   0   0   0

.TONIGHT...

Sky/weather.........Clear (0-10 percent) then becoming partly
                    cloudy (35-45 percent) then becoming mostly
                    cloudy (50-60 percent).
Temperature.........Min 51.
RH..................Max 93 percent.
Wind (20 ft)........Southwest winds 5 to 9 mph.
CWR.................0 percent.
Chance of pcpn......0 percent.
Mixing height.......100 ft AGL.
Transport winds.....Southwest 5 to 13 mph.
LVORI...............5.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........4   3   2   2   0   3   3   5   9   31  48  53
WEATHER COV.....
WEATHER TYPE....
TEMP............71  68  63  59  57  56  54  53  53  52  52  52
RH..............37  46  57  65  70  74  77  80  83  85  88  89
20 FT WIND DIR..200 200 200 200 200 210 220 220 220 220 220 220
20 FT WIND SPD..12  10  10  9   10  10  10  10  10  10  10  10
20 FT WIND GUST.18  16  15  14  14  14  15  16  16  15  16  14
MIX HGT (KFT)...1.6 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2
TRANSP WIND DIR.200 200 200 200 200 200 210 210 210 210 220 220
TRANSP WIND SPD.13  9   7   6   5   5   6   7   7   7   7   7
DISPERSION IDX..28  4   2   2   1   1   5   5   5   7   7   7
LVORI...........1   3   3   3   6   6   6   6   6   6   9   9
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   0   0   0

.WEDNESDAY...

Sky/weather.........Partly sunny (55-65 percent).
Temperature.........Max 75.
RH..................Min 52 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph shifting to the
                    northwest 5 to 7 mph late in the morning.
CWR.................10 percent.
Chance of pcpn......10 percent.
Mixing height.......2400 ft AGL.
Transport winds.....Southwest 6 to 9 mph shifting to the west 5 to
                    8 mph late in the afternoon.
LVORI...............6.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........56  71  66  57  57  57  57  57  57  57  57  53
WEATHER COV.....
WEATHER TYPE....
TEMP............52  53  55  59  65  67  70  72  73  74  74  73
RH..............93  92  90  84  71  66  61  57  56  53  52  53
20 FT WIND DIR..220 230 240 250 270 280 290 300 310 320 330 340
20 FT WIND SPD..10  9   9   9   8   7   7   8   8   7   7   7
20 FT WIND GUST.14  14  13  13  13  10  12  12  12  12  10  10
MIX HGT (KFT)...0.2 0.2 0.4 0.6 0.8 1.6 2.0 2.4 2.3 1.8 1.2 1.0
TRANSP WIND DIR.210 210 220 230 230 240 260 270 270 280 290 270
TRANSP WIND SPD.6   6   7   7   8   8   9   8   8   7   6   5
DISPERSION IDX..6   6   7   8   7   24  33  39  35  27  29  20
LVORI...........9   7   7   7   3   3   3   2   2   2   3   3
CWR.............0   0   0   0   0   0   0   10  10  10  10  10
CHC OF PCPN (%).0   0   0   0   0   0   0   10  10  10  10  10

$$
Forecaster...Pritchett
Requested by...Moore
Type of request...PRESCRIBED
.TAG 2411824.0/HUN
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL gary.c.moore@usda.gov


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