002
FNUS71 KRNK 220910
FWSRNK

Spot Forecast for Whetstone Ridge...USDA
National Weather Service Blacksburg VA
510 AM EDT Tue Jul 22 2025

Forecast is based on forecast start time of 0600 EDT on July 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Overall, a quieter weather pattern is expected for the next few
days. Mostly sunny skies today with light winds, northeasterly
turning southeasterly by the afternoon hours. Minimum relative
humidity will be around 57 percent this afternoon. Any patchy
morning fog in the vicinity will dissipate after sunrise.

.TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR (0.01 in).......10 percent.
Max temperature.....Around 84.
Min humidity........57 percent.
Wind (20 ft)........Light winds.
Mixing height.......5000 ft AGL.
Mixing winds........East 6 to 8 mph.
Smoke dispersal.....Poor (3200 knot-ft) early in the morning
                    increasing to fair (27700 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................3 to 40.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25  27  32  25  21  21  28  35  34  40  39  48
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   10  10
Temp............68  68  69  72  75  77  79  81  82  83  83  82
RH..............81  80  82  78  73  69  66  61  60  58  57  59
20 FT wind dir..NE  NE  NE  NE  N   NE  W   SW  SE  SE  SE  SE
20 FT wind spd..4   4   2   2   2   2   2   2   2   2   2   2
20 FT wind gust.6   6   6   6   6   6   6   6   6   6   6   7
Mix hgt (kft)...0.6 0.6 0.9 1.7 2.6 3.4 4.2 4.7 4.9 5.0 5.0 4.6
Mixng wind dir..NE  NE  NE  NE  E   E   E   E   E   E   E   E
Mixng wind spd..6   7   8   8   8   8   7   7   6   6   6   7
LVORI...........5   4   4   3   3   3   3   1   1   1   1   1
ADI.............3   7   9   19  29  35  39  37  35  36  39  40
VRate mph-ft/1K.4   4   8   15  22  27  31  30  28  29  31  32

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR (0.01 in).......0 percent.
Min temperature.....Around 64.
Max humidity........91 percent.
Wind (20 ft)........Light winds.
Mixing height.......600 ft AGL.
Mixing winds........East 2 to 9 mph.
Smoke dispersal.....Fair (21100 knot-ft) early in the evening
                    decreasing to poor (1200 knot-ft) late in the
                    night.
LVORI...............4.
ADI.................1 to 31.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........46  36  20  27  31  20  14  14  19  25  37  30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............81  79  77  74  73  71  70  69  68  67  66  65
RH..............61  64  70  74  76  79  81  83  85  86  89  91
20 FT wind dir..SE  SE  SE  E   E   E   E   E   E   NE  NE  N
20 FT wind spd..2   2   2   2   2   2   1   1   1   1   1   1
20 FT wind gust.7   8   7   6   6   6   5   5   5   4   4   4
Mix hgt (kft)...3.0 1.4 1.0 0.7 0.8 0.7 0.7 0.7 0.6 0.6 0.6 0.6
Mixng wind dir..E   E   E   E   E   E   E   E   E   E   NE  NE
Mixng wind spd..8   9   9   8   6   5   3   3   3   3   2   2
LVORI...........1   3   3   3   4   4   5   5   5   6   7   7
ADI.............31  4   4   4   3   2   2   2   2   1   1   1
VRate mph-ft/1K.24  13  9   6   5   3   3   3   2   2   2   1

.WEDNESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 86.
Min humidity........56 percent.
Wind (20 ft)........Light winds.
Mixing height.......5100 ft AGL.
Mixing winds........Northeast 1 to 9 mph shifting to the southeast
                    7 to 9 mph in the afternoon.
Smoke dispersal.....Poor (900 knot-ft) early in the morning
                    increasing to good (36300 knot-ft) in the
                    afternoon.
LVORI...............4.
ADI.................1 early in the morning increasing to 52 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........26  49  46  38  29  20  22  24  26  25  25  24
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  65  68  73  76  79  81  82  83  84  84  84
RH..............90  89  86  79  73  69  65  61  59  57  56  57
20 FT wind dir..NE  NE  NE  S   S   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..1   1   1   1   1   2   3   3   3   3   3   3
20 FT wind gust.2   2   2   4   5   6   6   7   8   8   8   8
Mix hgt (kft)...0.6 0.6 1.1 2.1 3.1 3.8 4.3 4.7 5.1 5.0 4.9 4.8
Mixng wind dir..NE  NE  NE  NE  E   E   E   SE  SE  SE  SE  SE
Mixng wind spd..2   1   2   5   7   9   9   9   8   8   7   7
LVORI...........7   7   6   4   3   1   1   1   1   1   1   1
ADI.............1   2   3   12  29  45  51  52  51  48  44  42
VRate mph-ft/1K.1   1   3   9   22  35  41  42  41  38  35  33

$$
Forecaster...Sava
Requested by...Marcus Sewell
Type of request...WILDFIRE
.TAG 2518383.0/RNK
.DELDT 07/22/25
.FormatterVersion 2.0.0
.EMAIL Marcus.sewell@usda.gov