828
FNUS71 KRNK 100712
FWSRNK
SPOT FORECAST FOR BIG WILSON BLACK LINE...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
312 AM EDT FRI APR 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0400 EDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOULD BE A GOOD DAY TO BURN, WITH DECENT MIXING BY NOON, AND
MIXING WINDS FROM THE WEST AT 10 TO 20 MPH, AND LITTLE OR NO
CLOUD COVER. RH WILL BOTTOM OUT AROUND 25 PERCENT.
CLOUDS INCREASE FRIDAY NIGHT AHEAD OF A FRONT. CANNOT RULE OUT
A LIGHT SHOWER OR SPRINKLE BEFORE DAWN SATURDAY BUT NO APPRECIABLE
WETTING RAIN IS EXPECTED.
SATURDAY SHOULD SEE CLEARING SKIES AND 20 FOOT WINDS FROM THE
NORTHWEST AROUND 10 TO 15 MPH IN THE MORNING BUT DIMINISHING IN THE
AFTERNOON, EXCEPT SOME UPSLOPE COMPONENT POTENTIAL DUE TO HEATING.
REST OF TONIGHT
SKY/WEATHER.........CLEAR (0-5 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........NORTHWEST AROUND 2 MPH.
SMOKE DISPERSAL.....POOR (300 KNOT-FT).
LVORI...............2.
ADI.................1.
TIME (EDT) 4AM 5AM
SKY (%).........0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0
TEMP............45 45
RH..............47 48
20 FT WIND DIR..W W
20 FT WIND SPD..3 3
20 FT WIND GUST.8 10
MIX HGT (KFT)...0.2 0.2
MIXNG WIND DIR..NW NW
MIXNG WIND SPD..2 2
LVORI...........2 2
ADI.............1 1
VRATE MPH-FT/1K.0 0
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH WITH GUSTS
TO AROUND 18 MPH LATE IN THE MORNING.
MIXING HEIGHT.......6800 FT AGL.
MIXING WINDS........NORTHWEST 2 TO 10 MPH SHIFTING TO THE WEST 12
TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (89200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................1 EARLY IN THE MORNING INCREASING TO 111 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 0 0 0 0 0 0 0 0 0 5 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............45 46 48 50 57 63 66 69 71 72 73 72
RH..............48 48 48 44 38 33 32 30 28 26 25 25
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..3 4 4 4 4 5 6 6 6 6 6 6
20 FT WIND GUST.10 10 10 10 11 12 14 14 16 17 17 18
MIX HGT (KFT)...0.2 0.2 0.2 0.3 0.8 2.0 3.6 4.8 5.9 6.4 6.8 6.8
MIXNG WIND DIR..NW NW NW NW W W W W W W W W
MIXNG WIND SPD..2 2 2 5 7 9 10 12 13 14 15 15
LVORI...........2 2 2 2 2 2 1 1 1 1 1 1
ADI.............1 2 2 4 7 23 47 66 84 99 111 110
VRATE MPH-FT/1K.0 0 0 1 5 18 38 57 75 90 103 101
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-60 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH. GUSTS UP TO 21 MPH EARLY
IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........WEST 5 TO 13 MPH.
SMOKE DISPERSAL.....EXCELLENT (68500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (800 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................87 EARLY IN THE EVENING DECREASING TO 2 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........8 8 5 6 5 5 12 21 40 52 48 55
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 10 10 10 10
TEMP............71 68 63 61 60 59 57 56 55 54 54 54
RH..............25 27 33 36 36 40 44 47 52 59 63 70
20 FT WIND DIR..W W W W W W W W NW W W NW
20 FT WIND SPD..6 6 6 5 5 5 6 6 6 6 6 6
20 FT WIND GUST.17 16 14 14 13 13 13 14 14 14 13 13
MIX HGT (KFT)...6.2 0.8 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
MIXNG WIND DIR..W W W W W W W W W W W W
MIXNG WIND SPD..13 9 7 6 5 5 5 6 6 6 6 6
LVORI...........1 2 2 2 2 2 2 2 2 3 3 3
ADI.............87 4 3 2 2 2 2 2 3 4 4 4
VRATE MPH-FT/1K.79 8 2 1 1 1 1 1 1 1 1 1
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-45 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......5200 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH INCREASING TO 12 TO 15 MPH
LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (63100 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................2 EARLY IN THE MORNING INCREASING TO 85 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 59 63 37 38 38 30 23 15 15 14 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 53 54 57 60 65 67 69 70 71 71 69
RH..............72 78 79 73 64 56 49 43 37 33 32 32
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..5 5 5 6 9 6 6 6 6 6 5 5
20 FT WIND GUST.13 12 13 13 13 14 14 14 14 13 13 12
MIX HGT (KFT)...0.2 0.2 0.3 1.4 2.4 3.2 3.8 4.3 4.8 5.0 5.1 5.2
MIXNG WIND DIR..W NW NW NW NW NW NW NW NW NW W W
MIXNG WIND SPD..10 5 2 12 13 12 14 15 15 15 14 12
LVORI...........3 4 4 3 2 1 1 1 1 1 1 1
ADI.............3 2 2 8 25 45 61 75 84 84 85 74
VRATE MPH-FT/1K.1 1 1 6 20 37 51 63 72 73 68 60
FORECASTER...PERRY
REQUESTED BY...ADAM CHRISTIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2609903.0/RNK
.DELDT 04/10/26
.FORMATTERVERSION 2.0.0
.EMAIL ERIC.HOMAN@TNC.ORG,ADAM.CHRISTIE@USDA.GOV
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