651
FNUS74 KHUN 271628 AAA
FWSHUN

Spot Forecast for Boneyard...UPDATED
National Weather Service Huntsville AL
1128 AM CDT Tue Oct 27 2026

Forecast is based on ignition time of 1000 CDT on October 27.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Sunny conditions will continue through the day, with the temperature
reaching 76 degrees. Min RH values will drop to around 37 percent in
the afternoon after we mix out. Winds will be light and out of the SE
between 3-5 MPH, with mixing heights climbing to 3.7 kft.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Temperature.........64 at ignition...Max 76.
RH..................63 percent at ignition...Min 37 percent.
Wind (20 ft)........Winds north at 0 mph at ignition...otherwise
                    Light winds.
Mixing height.......1100 ft AGL at ignition...otherwise 3700 ft
                    AGL.
Transport winds.....Southeast 3 to 5 mph decreasing to around 3 mph
                    late in the afternoon.
LVORI...............2.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9   8   2   3   12  14  26  39
WEATHER COV.....
WEATHER TYPE....
TEMP............64  68  71  73  74  74  75  74
RH..............63  55  49  44  41  39  37  38
20 FT WIND DIR..000 120 140 000 000 000 000 000
20 FT WIND SPD..0   1   1   0   0   0   0   0
20 FT WIND GUST.6   6   6   6   5   5   5   5
MIX HGT (KFT)...1.1 1.9 3.0 3.6 3.7 3.7 3.7 2.1
TRANSP WIND DIR.100 110 120 140 150 160 140 110
TRANSP WIND SPD.5   5   5   5   3   3   3   3
DISPERSION IDX..2   11  18  21  16  16  16  10
LVORI...........2   2   2   2   2   2   2   2

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (65-75 percent).
Temperature.........Min 48.
RH..................Max 91 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....East 2 to 6 mph.
LVORI...............4.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........43  58  50  47  57  61  59  66  62  74  82  75
WEATHER COV.....
WEATHER TYPE....
TEMP............69  64  59  56  54  53  52  51  52  51  50  50
RH..............46  56  67  75  80  83  86  89  86  88  89  87
20 FT WIND DIR..000 000 000 000 000 000 000 000 000 000 000 000
20 FT WIND SPD..0   0   0   0   0   0   0   0   0   0   0   0
20 FT WIND GUST.5   5   5   5   5   5   5   5   5   5   5   6
MIX HGT (KFT)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.090 080 080 070 090 100 110 110 120 120 120 130
TRANSP WIND SPD.2   3   3   5   5   6   6   6   6   6   6   6
DISPERSION IDX..1   0   1   2   0   0   3   3   3   3   3   3
LVORI...........2   4   4   4   6   6   6   6   6   6   6   6

.WEDNESDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (25-35 percent).
Temperature.........Max 76.
RH..................Min 33 percent.
Wind (20 ft)........Light winds.
Mixing height.......3300 ft AGL.
Transport winds.....Southeast 6 to 8 mph.
LVORI...............4.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........86  78  61  86  54  39  40  37  34  39  26  21
WEATHER COV.....
WEATHER TYPE....
TEMP............49  48  51  56  63  68  71  73  74  74  75  74
RH..............87  89  82  70  56  46  40  37  34  33  33  37
20 FT WIND DIR..000 000 090 110 120 120 120 120 110 110 110 000
20 FT WIND SPD..0   0   1   1   2   2   2   2   2   1   1   0
20 FT WIND GUST.6   6   7   8   9   9   8   8   8   8   7   7
MIX HGT (KFT)...0.4 0.4 0.4 0.5 1.0 1.7 2.8 3.2 3.2 3.3 3.0 1.2
TRANSP WIND DIR.130 110 110 120 130 130 120 110 110 110 100 100
TRANSP WIND SPD.6   6   6   7   8   7   7   7   7   7   7   6
DISPERSION IDX..3   3   3   3   4   15  24  27  27  30  26  8
LVORI...........6   5   5   5   2   2   2   2   2   2   2   2

$$
Forecaster...Pritchett
Requested by...Clark
Type of request...PRESCRIBED
.TAG 2624644.0/HUN
.DELDT 10/27/26
.FormatterVersion 2.0.0
.EMAIL kerry.clark@usda.gov,gary.c.moore@usda.gov