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000
FNUS71 KRNK 232139
FWSRNK

Spot Forecast for Glade Mtn...USFS
National Weather Service Blacksburg VA
539 PM EDT Tue Apr 23 2024

Forecast is based on ignition time of 1800 EDT on April 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Clouds will increase this evening as a cold front approaches the
area from the Ohio Valley. Relative humidities will recover into
the 30 this evening, then continue to increase Wednesday morning
as light rain moves over the area. A wetting rain is likely while
storm total rainfall may only be a couple of hundredth of an inch.
Breezy conditions will remain out of the southwest then become
westerly Wednesday morning.

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (50-60 percent). Slight chance of
                    rain showers early in the morning.
CWR (0.01 in).......0 percent increasing to 20 percent early in the
                    morning.
Min temperature.....Around 46.
Max humidity........79 percent.
Wind (20 ft)........West winds 10 to 18 mph. Gusts up to 30 mph
                    overnight.
Mixing height.......500 ft AGL.
Mixing winds........Southwest 6 to 15 mph shifting to the west 15
                    to 25 mph after 3 am.
Smoke dispersal.....Good (45900 knot-ft) early in the evening
                    decreasing to poor (2300 knot-ft) late in the
                    night.
LVORI...............2.
ADI.................52 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)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........16  16  17  22  26  31  34  38  41  47  52  58
Weather cov.....                                            SCH
Weather type....                                            RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   20
Temp............63  62  59  57  54  52  51  50  50  49  48  47
RH..............24  27  33  38  43  47  52  56  59  62  65  68
20 FT wind dir..W   SW  SW  SW  W   W   W   W   W   W   W   W
20 FT wind spd..14  12  10  10  11  12  13  15  17  17  17  17
20 FT wind gust.22  19  17  14  16  18  20  22  25  25  25  25
Mix hgt (kft)...3.6 1.3 0.5 0.5 0.6 0.7 0.9 0.8 0.9 0.9 1.0 1.0
Mixng wind dir..SW  SW  SW  SW  SW  SW  SW  SW  W   W   W   W
Mixng wind spd..15  10  6   5   6   7   7   8   10  15  21  24
LVORI...........1   2   2   2   2   2   2   3   2   2   3   3
ADI.............52  9   5   4   5   6   7   7   9   14  18  22
Haines index....5   5   5   4   4   4   4   4   4   3   3   3
VRate mph-ft/1K.53  13  3   3   3   5   6   7   9   14  21  25

.WEDNESDAY...

Sky/weather.........Partly sunny (45-55 percent). Rain showers
                    likely in the morning, then chance of rain
                    showers in the afternoon.
CWR (0.01 in).......60 percent early in the morning, then decreasing
                    to 30 percent late in the morning decreasing to
                    10 percent late in the afternoon.
Max temperature.....Around 61.
Min humidity........43 percent.
Wind (20 ft)........West winds 13 to 16 mph with gusts to around 25
                    mph.
Mixing height.......5800 ft AGL.
Mixing winds........Northwest 16 to 23 mph.
Smoke dispersal.....Fair (16600 knot-ft) early in the morning
                    increasing to excellent (87200 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................21 early in the morning increasing to 76 in the
                    afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........62     69     67     62     53     40
Weather cov.....CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE   NONE
Tstm cov........
CWR.............50     50     30     30     10     10
Temp............47     47     49     52     55     59
RH..............71     77     78     69     54     45
20 ft wind......W 16   W 14   W 13   W 13   W 13   W 13
20 ft wind gust.23     20     21     21     21     21
Mix hgt (ft)....900    1200   1500   2600   4800   5800
Mixing wind......W 23   W 18   W 22   NW 22  NW 18  NW 17
LVORI...........3      4      4      3      1      1
ADI.............21     27     35     49     75     76
Haines index....3      3      3      3      3      4
VRate mph-ft/1K.20     22     32     57     89     100

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR (0.01 in).......0 percent.
Min temperature.....Around 38.
Max humidity........93 percent.
Wind (20 ft)........Northwest winds 5 to 12 mph with gusts to
                    around 19 mph becoming light.
Mixing height.......600 ft AGL.
Mixing winds........Northwest 5 to 14 mph decreasing to around 3
                    mph early in the morning.
Smoke dispersal.....Good (59600 knot-ft) early in the evening
                    decreasing to poor (1900 knot-ft) late in the
                    night.
LVORI...............3.
ADI.................56 early in the evening decreasing to 2 late in
                    the night.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........27     14     9      14     7      8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............59     54     48     45     43     42
RH..............43     52     63     71     76     79
20 ft wind......NW 12  NW 10  NW 8   NW 6   NW 6   NW 5
20 ft wind gust.19     16     10     7
Mix hgt (ft)....5100   700    600    700    700    700
Mixing wind......NW 14  NW 8   NW 6   NW 6   NW 6   NW 5
LVORI...........1      3      3      3      4      4
ADI.............56     7      4      4      3      2
Haines index....4      4      4      4      4      4
VRate mph-ft/1K.69     6      3      4      4      3

$$
Forecaster...Stonefield
Requested by...Todd Caudill
Type of request...PRESCRIBED
.TAG 2411529.3/RNK
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL todd.caudill@usda.gov, vavic@firenet.gov