431
FNUS71 KRNK 080910
FWSRNK
SPOT FORECAST FOR BRUSH MTN WEST 2...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
510 AM EDT WED APR 8 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SURFACE INVERSION BREAKS AROUND 8-9AM, EXPECTING GOOD MIXING
BY NOON. 20 FOOT WINDS WILL BE EAST FOR MUCH OF THE DAY, BUT
SOME UPSLOPE COMPONENT ALSO EXPECTED BY 11AM. A FEW GUSTS
AROUND 15 TO 18 MPH POSSIBLE FROM 9AM-NOON. RH VALUES SINK
TO AROUND 25 PERCENT THIS AFTERNOON, THEN ONLY RECOVER TO 75
PERCENT LATE WEDNESDAY NIGHT.
DRY WEATHER AND WARMING TEMPERATURES EXPECTED TO CLOSE OUT THE WEEK
INTO THE WEEKEND.
TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......3800 FT AGL.
MIXING WINDS........EAST 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR (5900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (33900 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................7 EARLY IN THE MORNING INCREASING TO 50 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 13 1 7 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 32 33 37 40 44 46 48 51 52 53 54
RH..............50 52 50 41 36 32 30 29 29 28 27 26
20 FT WIND DIR..E E E E E E E E E E SE SE
20 FT WIND SPD..6 5 6 8 8 8 8 8 6 6 6 5
20 FT WIND GUST.11 10 10 13 13 12 11 10 10 10 10 10
MIX HGT (KFT)...0.4 0.5 1.2 1.8 2.1 2.6 2.9 3.2 3.5 3.6 3.8 3.8
MIXNG WIND DIR..E E E E E E E SE SE SE SE SE
MIXNG WIND SPD..16 16 15 14 13 12 10 9 9 9 10 10
LVORI...........2 2 2 1 1 1 1 1 1 1 1 1
ADI.............7 15 24 32 34 38 39 39 39 41 45 50
VRATE MPH-FT/1K.7 8 18 25 26 30 30 31 32 34 37 39
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........SOUTHEAST 3 TO 12 MPH.
SMOKE DISPERSAL.....GOOD (34900 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1100 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................51 EARLY IN THE EVENING DECREASING TO 1 LATE IN
THE NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........28 29 35 32 44 38
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............53 47 43 40 37 35
RH..............28 35 42 49 52 59
20 FT WIND......SE 5 SE 5 E 3 E 2 E 2 E 2
20 FT WIND GUST.10 7 6 5 5 4
MIX HGT (FT)....3600 500 400 400 400 400
MIXING WIND......SE 12 SE 12 SE 8 SE 5 SE 3 E 3
LVORI...........1 2 2 2 2 3
ADI.............51 5 3 2 2 2
VRATE MPH-FT/1K.40 6 3 2 1 1
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3500 FT AGL.
MIXING WINDS........SOUTHEAST 2 TO 6 MPH.
SMOKE DISPERSAL.....POOR (600 KNOT-FT).
LVORI...............3.
ADI.................1 TO 18.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........37 41 57 66 54 26
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............33 36 42 54 61 65
RH..............67 63 55 38 30 28
20 FT WIND......E 2 E 1 E 1 SE 1 SE 2 SE 2
20 FT WIND GUST. 4 2 2 7 7
MIX HGT (FT)....300 300 1400 2200 3000 3300
MIXING WIND......SE 3 SE 2 SE 5 SE 6 SE 5 S 3
LVORI...........3 3 2 2 2 2
ADI.............1 2 9 16 18 16
VRATE MPH-FT/1K.1 1 7 13 14 12
FORECASTER...PERRY
REQUESTED BY...BRIAN THEILER
TYPE OF REQUEST...PRESCRIBED
.TAG 2609361.1/RNK
.DELDT 04/08/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.THEILER@USDA.GOV
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