175
FNUS71 KRNK 211107
FWSRNK
SPOT FORECAST FOR LAKE SHERWOOD PILES...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
607 AM EST FRI NOV 21 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON NOVEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CLOUDY WITH A RAIN CHANCE MOVING IN LATER THIS MORNING. BETTER RAIN
CHANCES WILL BE LATER THIS AFTERNOON. RH WILL ONLY DROP TO 75-80
PERCENT, WITH A LIGHT SOUTHWEST WIND. HUMIDITY REMAINS ELEVATED INTO
SATURDAY ALONG WITH THE CHANCE FOR RAIN. SUNDAY DRIES OUT WITH RH
DROPPING BACK TO 40 PERCENT IN THE AFTERNOON.
REST OF TODAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON.
CWR (0.01 IN).......20 PERCENT INCREASING TO 50 PERCENT IN
THE AFTERNOON .
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........79 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE AFTERNOON, THEN BECOMING LIGHT LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1600 FT AGL.
MIXING WINDS........WEST 2 TO 9 MPH.
SMOKE DISPERSAL.....POOR (400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (13200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............6.
ADI.................3 TO 16.
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 100 100 100 100 95 90 90 94 93
WEATHER COV.....SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RN RN RN RN RN RN RW RW RW RW RW
TSTM COV........
CWR.............20 20 20 20 30 30 40 50 50 30 40
TEMP............43 43 47 49 53 54 54 56 56 55 54
RH..............100 100 97 92 84 84 84 79 82 87 92
20 FT WIND DIR..W W W W W W W W SW SW SW
20 FT WIND SPD..2 1 1 2 3 4 5 5 5 5 4
20 FT WIND GUST. 2 2 4 5 6 8 7 8 8 6
MIX HGT (KFT)...0.2 0.2 0.2 0.7 1.1 1.4 1.6 1.6 1.5 0.9 0.5
MIXNG WIND DIR..NW NW W W W W W W W W W
MIXNG WIND SPD..2 2 3 5 6 8 9 9 9 9 8
LVORI...........9 9 8 6 4 4 4 3 4 5 6
ADI.............3 3 4 5 9 13 16 16 16 11 9
VRATE MPH-FT/1K.0 1 1 3 7 11 15 15 14 8 4
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN.
CWR (0.01 IN).......80 PERCENT DECREASING TO 30 PERCENT LATE.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN
THE EVENING, THEN BECOMING LIGHT OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT).
LVORI...............8.
ADI.................3 TO 9.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........88 94 93 98 94 92 93 94 92 91 70 64
WEATHER COV.....LKY LKY CHC LKY DEF LKY LKY LKY CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RN RW RW RW RW RW RW RW
TSTM COV........
CWR.............70 60 50 70 80 70 70 60 40 30 30 30
TEMP............53 52 53 53 53 53 53 53 53 53 52 52
RH..............99 100 99 99 97 97 96 96 97 95 97 95
20 FT WIND DIR..SW SW SW SW SW SW SW SW W W W NW
20 FT WIND SPD..4 5 5 6 6 6 6 4 4 4 4 4
20 FT WIND GUST.7 6 7 8 10 10 10 14 14 14 14 13
MIX HGT (KFT)...0.4 0.3 0.3 0.3 0.4 0.4 0.6 0.6 0.8 0.8 0.7 0.8
MIXNG WIND DIR..SW SW SW SW SW SW SW SW SW W W W
MIXNG WIND SPD..8 7 7 7 7 8 9 10 9 8 7 5
LVORI...........9 9 9 9 7 6 6 6 6 7 7 8
ADI.............5 5 4 4 5 7 9 7 7 6 5 3
VRATE MPH-FT/1K.3 2 2 2 3 4 6 7 8 7 5 4
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE
OF RAIN IN THE MORNING.
CWR (0.01 IN).......30 PERCENT DECREASING TO 10 PERCENT.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH IN
THE LATE MORNING AND AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
MIXING HEIGHT.......2800 FT AGL.
MIXING WINDS........WEST 3 TO 12 MPH SHIFTING TO THE NORTHWEST 10
TO 13 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (30800 KNOT-FT) IN THE
AFTERNOON.
LVORI...............5.
ADI.................4 TO 31.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 57 78 68 57 59 62 64 56 48 40 35
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RN RN RN RN RN RN
TSTM COV........
CWR.............20 30 30 30 30 30 30 10 10 10 10 10
TEMP............50 50 50 52 54 55 56 56 56 55 53 50
RH..............97 96 99 94 85 78 72 67 63 61 62 67
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..4 4 4 4 5 5 5 5 5 5 5 4
20 FT WIND GUST.12 11 11 11 11 11 11 11 11 11 11 11
MIX HGT (KFT)...0.7 0.5 0.8 1.0 1.5 1.9 2.3 2.8 2.6 2.3 2.1 1.6
MIXNG WIND DIR..W W W W NW NW NW NW NW NW NW NW
MIXNG WIND SPD..3 3 6 9 12 13 13 13 12 12 10 10
LVORI...........7 8 8 5 4 3 3 3 2 1 2 3
ADI.............4 4 6 11 19 24 27 29 27 31 26 21
VRATE MPH-FT/1K.2 2 5 8 17 24 30 35 31 26 22 17
FORECASTER...PERRY
REQUESTED BY...ROBERT CUMMINGS
TYPE OF REQUEST...PRESCRIBED
.TAG 2526473.0/RNK
.DELDT 11/21/25
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.CUMMINGS@USDA.GOV
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