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000
FNUS71 KRNK 230323
FWSRNK

Spot Forecast for Glade Mtn...USFS
National Weather Service Blacksburg VA
1123 PM EDT Mon Apr 22 2024

Forecast is based on ignition time of 2300 EDT on April 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Expect clear mostly clear skies overnight with passing high clouds.
Dry air will remain in place through much of Tuesday, resulting in
RH values falling to around 25 percent with afternoon heating. Winds
will be from the southwest through the day, with gusts increasing
during the afternoon to the 20 mph to 25 mph range as a cold front
approaches from the west. The front will bring a scattered showers
with totals of up to 0.10 of an inch on Tuesday night.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR (0.01 in).......0 percent.
Min temperature.....Around 36.
Max humidity........57 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph
                    early in the morning.
Mixing height.......400 ft AGL.
Mixing winds........Southwest 2 to 3 mph.
Smoke dispersal.....Poor (1200 knot-ft).
LVORI...............3.
ADI.................1 to 2.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (EDT)      11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   1   1   2   4   10  29
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Temp............43  42  41  38  38  37  37
RH..............41  43  45  51  52  54  56
20 FT wind dir..NW  NW  SW  SW  SW  SW  SW
20 FT wind spd..3   2   3   4   4   4   5
20 FT wind gust.4   4   4   6   6   6   7
Mix hgt (kft)...0.6 0.7 0.5 0.5 0.4 0.4 0.4
Mixng wind dir..W   SW  SW  SW  SW  SW  SW
Mixng wind spd..2   2   3   3   3   3   3
LVORI...........2   2   3   3   3   3   3
ADI.............1   1   1   2   2   2   2
Haines index....4   4   4   4   5   5   5
VRate mph-ft/1K.1   2   1   2   2   1   1

.TUESDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 62.
Min humidity........25 percent.
Wind (20 ft)........West winds 6 to 12 mph. Gusts up to 25 mph in
                    the afternoon.
Mixing height.......4900 ft AGL.
Mixing winds........Southwest 2 to 10 mph increasing to 14 to 21
                    mph late in the morning.
Smoke dispersal.....Poor (600 knot-ft) early in the morning
                    increasing to excellent (88900 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................1 early in the morning increasing to 86 in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........37  37  22  8   12  14  11  6   7   27  47  7
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............37  37  40  44  48  52  55  57  59  60  62  62
RH..............57  57  53  47  41  35  30  27  25  25  25  26
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   SW
20 FT wind spd..6   6   6   6   7   8   9   9   10  11  11  12
20 FT wind gust.8   10  10  10  12  14  14  17  18  18  19  20
Mix hgt (kft)...0.4 0.4 0.4 1.4 2.4 3.1 3.8 4.1 4.4 4.6 4.9 4.7
Mixng wind dir..SW  SW  SW  SW  W   W   W   SW  SW  SW  SW  SW
Mixng wind spd..2   2   2   6   10  14  16  16  17  20  21  21
LVORI...........3   3   3   2   2   1   1   1   1   1   1   1
ADI.............1   2   2   10  28  45  56  62  67  77  86  83
Haines index....5   5   5   5   5   5   5   5   5   5   5   5
VRate mph-ft/1K.1   1   1   7   24  43  59  67  76  89  102 98

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    mostly cloudy (60-70 percent). Slight chance of
                    rain showers after 3 am. Chance of rain showers
                    after 3 am.
CWR (0.01 in).......10 percent increasing to 40 percent.
Min temperature.....Around 46.
Max humidity........82 percent.
Wind (20 ft)........Southwest winds 12 to 19 mph. Gusts up to 29
                    mph increasing to 37 mph overnight.
Mixing height.......500 ft AGL.
Mixing winds........Southwest 10 to 16 mph shifting to the west 16
                    to 17 mph after 3 am.
Smoke dispersal.....Good (58500 knot-ft) early in the evening
                    decreasing to poor (2200 knot-ft) late in the
                    night.
LVORI...............2.
ADI.................62 early in the evening decreasing to 4 late in
                    the night.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........12     7      41     50     58     69
Weather cov.....                                   CHANCE
Weather type....NONE   NONE   NONE   NONE   NONE   RNSHWR
Tstm cov........
CWR.............0      0      0      10     10     30
Temp............61     57     54     52     50     49
RH..............28     41     49     53     57     65
20 ft wind......SW 12  SW 13  SW 16  SW 18  W 18   W 19
20 ft wind gust.20     21     18     23     28     30
Mix hgt (ft)....4100   700    600    1000   1200   1300
Mixing wind......SW 16  SW 6   SW 6   SW 8   W 12   W 16
LVORI...........1      2      2      2      2      3
ADI.............62     5      5      7      10     14
Haines index....5      5      4      4      4      3
VRate mph-ft/1K.67     4      3      8      14     20

$$
Forecaster...Fillo
Requested by...Todd Caudill
Type of request...PRESCRIBED
.TAG 2411529.2/RNK
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL todd.caudill@usda.gov