670
FNUS71 KRNK 081002
FWSRNK
SPOT FORECAST FOR BIG WILSON RX...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
602 AM EDT WED APR 8 2026
FORECAST IS BASED ON IGNITION TIME OF 0650 EDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY HIGH PRESSURE WILL COVER THE REGION THROUGH THE END OF THE
WEEK, WITH THE CENTER PASSING OVERHEAD ON THURSDAY. MOSTLY SUNNY
ASIDE FROM A FEW HIGH CLOUDS. THE VERY DRY
AIRMASS OVERHEAD WILL RESULT IN MINIMUM RH'S DROPPING INTO THE LOW
20% RANGE THIS AFTERNOON, THEN GRADUALLY RISING A BIT
BY THE END OF THE WORK WEEK. EAST WINDS THIS MORNING TURN SOUTHEASTERLY
THIS AFTERNOON. 20 FT WINDS MAY GUST UP TO 15 MPH.
TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 8 MPH SHIFTING TO THE SOUTHEAST
IN THE AFTERNOON.
MIXING HEIGHT.......3300 FT AGL.
MIXING WINDS........EAST 7 TO 12 MPH SHIFTING TO THE SOUTHEAST 7 TO
9 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (26600 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................4 TO 38.
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 2 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............32 31 31 35 38 41 43 45 47 48 50 51
RH..............49 51 52 41 36 32 30 28 28 26 26 24
20 FT WIND DIR..E E E E E E SE SE SE SE SE SE
20 FT WIND SPD..6 7 7 7 7 6 6 6 6 6 6 6
20 FT WIND GUST.11 10 13 11 12 11 10 11 12 12 12 12
MIX HGT (KFT)...0.2 0.3 0.5 1.1 1.4 2.0 2.4 2.6 3.1 3.2 3.3 3.3
MIXNG WIND DIR..E E E E E E SE SE SE SE SE SE
MIXNG WIND SPD..9 10 12 10 8 7 7 7 7 7 8 9
LVORI...........2 2 2 2 2 2 2 2 2 2 1 1
ADI.............4 11 12 15 17 19 21 22 27 30 34 38
VRATE MPH-FT/1K.3 4 8 12 14 14 17 18 22 24 28 31
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........65 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......100 FT AGL.
MIXING WINDS........SOUTHEAST 7 TO 13 MPH SHIFTING TO THE EAST 1 TO
3 MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....GOOD (30000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (100 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................44 EARLY IN THE EVENING DECREASING TO 1 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 4 13 15 22 22 25 38 31 36 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............49 48 46 44 43 41 40 39 38 37 36 35
RH..............25 27 31 33 34 37 38 40 46 50 52 55
20 FT WIND DIR..SE SE SE SE SE SE S S S S S S
20 FT WIND SPD..6 6 6 6 6 5 5 5 5 5 5 5
20 FT WIND GUST.11 11 10 10 8 8 8 8 8 8 8 7
MIX HGT (KFT)...3.1 2.1 0.4 0.3 0.3 0.2 0.2 0.1 0.1 0.1 0.1 0.1
MIXNG WIND DIR..SE SE SE SE SE SE SE E E E E E
MIXNG WIND SPD..12 13 13 10 7 3 2 2 2 2 1 1
LVORI...........1 2 2 2 2 2 2 2 2 2 2 3
ADI.............44 6 6 5 3 2 1 1 1 1 1 1
VRATE MPH-FT/1K.35 27 6 4 2 1 1 1 1 0 0 0
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2400 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 1 MPH SHIFTING TO THE SOUTH 2
TO 7 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR (100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (13700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................1 TO 20.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 41 44 44 47 51 55 55 51 30 23 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............34 33 37 38 43 47 51 54 57 59 59 59
RH..............59 64 59 58 50 43 38 34 31 30 30 31
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..4 4 4 4 4 4 5 5 5 6 6 5
20 FT WIND GUST.7 6 7 7 7 8 8 10 11 12 12 12
MIX HGT (KFT)...0.1 0.1 0.2 0.5 0.9 1.4 1.7 2.0 2.2 2.3 2.3 2.4
MIXNG WIND DIR..E SE S S S S S S S S S S
MIXNG WIND SPD..1 1 2 3 5 6 7 7 7 7 6 6
LVORI...........3 3 3 3 2 2 2 2 2 2 2 2
ADI.............1 2 2 3 5 10 14 18 20 20 19 18
VRATE MPH-FT/1K.0 0 1 2 4 8 11 14 16 16 15 14
FORECASTER...PERRY
REQUESTED BY...ADAM CHRISTIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2609424.1/RNK
.DELDT 04/08/26
.FORMATTERVERSION 2.0.0
.EMAIL DANIEL.MARTIN@TNC.ORG,ADAM.CHRISTIE@USDA.GOV,ERIC.HOMAN@TNC.ORG,BRENT.FOLTZ@USDA.GOV
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