259
FNUS71 KRNK 070929
FWSRNK
SPOT FORECAST FOR PINEY BRANCH RX...VA DEPARTMENT OF WILDLIFE
NATIONAL WEATHER SERVICE BLACKSBURG VA
529 AM EDT TUE APR 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WILL SEE SURFACE INVERSION CLEAR BETWEEN 8-9AM, WITH GREAT
MIXING BY EARLY AFTERNOON. LIGHT WIND SHOULD PICK UP SLIGHTLY FROM
THE NORTHWEST AT 5-10 MPH. A GUST TO 15 MPH POSSIBLE IN THE AFTERNOON.
RH VALUES WILL DROP TO AROUND 15 TO 20 PERCENT BETWEEN 2PM AND 4PM.
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........19 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 6-10 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......5700 FT AGL.
MIXING WINDS........NORTHWEST 9 TO 17 MPH.
SMOKE DISPERSAL.....POOR (5200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (68200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................4 EARLY IN THE MORNING INCREASING TO 91 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21 20 20 18 16 15 15 15 15 14 12 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 39 41 44 46 49 51 52 54 55 56 56
RH..............57 57 56 49 43 38 34 27 23 20 19 20
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW N N
20 FT WIND SPD..3 3 3 4 6 6 6 6 8 8 6 6
20 FT WIND GUST.6 6 6 6 10 12 15 14 14 13 11 10
MIX HGT (KFT)...0.6 0.7 1.3 3.1 3.7 4.2 4.6 5.1 5.5 5.5 5.7 5.7
MIXNG WIND DIR..NW NW NW NW NW NW NW NW NW NW NW N
MIXNG WIND SPD..9 12 13 15 16 17 17 15 14 13 10 9
LVORI...........3 2 2 1 1 1 1 1 1 1 1 1
ADI.............4 11 22 58 73 87 91 90 86 76 69 59
VRATE MPH-FT/1K.6 7 17 45 61 73 78 78 75 67 61 52
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........63 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH BECOMING NORTHEAST
LATE EVENING AND OVERNIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........NORTH 6 TO 8 MPH SHIFTING TO THE NORTHEAST
AROUND 7 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....GOOD (34700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................50 EARLY IN THE EVENING DECREASING TO 3 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........10 9 8 7 6 4 4 3 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............54 51 48 46 43 41 39 38 36 35 34 33
RH..............20 22 28 30 34 37 40 42 45 46 49 52
20 FT WIND DIR..N N N N N NE NE NE NE NE NE NE
20 FT WIND SPD..5 5 4 5 5 6 5 5 4 4 4 4
20 FT WIND GUST.10 8 7 8 10 10 10 8 7 7 7 7
MIX HGT (KFT)...5.2 3.6 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
MIXNG WIND DIR..N N NE NE NE NE NE NE NE NE NE NE
MIXNG WIND SPD..8 7 6 6 7 7 7 7 7 7 7 7
LVORI...........1 2 2 2 2 2 2 2 2 2 2 2
ADI.............50 3 3 3 3 3 3 3 3 3 3 3
VRATE MPH-FT/1K.40 23 4 4 4 4 4 4 4 4 4 4
WEDNESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). PATCHY FROST EARLY IN THE
MORNING.
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
MIXING WINDS........EAST 7 TO 12 MPH SHIFTING TO THE SOUTHEAST 7 TO
9 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (29100 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................4 TO 43.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 2 2 3 4 5 6 7 7 8 8 8
WEATHER COV.....PTY PTY PTY
WEATHER TYPE....FST FST FST
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............31 29 33 37 41 45 47 49 51 53 54 55
RH..............55 63 50 45 41 36 33 32 30 29 28 26
20 FT WIND DIR..NE NE NE NE E E E E SE SE SE SE
20 FT WIND SPD..4 3 3 3 3 4 4 4 4 4 4 5
20 FT WIND GUST.7 6 6 6 6 6 6 6 6 7 7 7
MIX HGT (KFT)...0.5 0.6 1.2 1.6 2.0 2.6 2.9 3.2 3.6 3.6 3.6 3.6
MIXNG WIND DIR..NE E E E E E E SE SE SE SE SE
MIXNG WIND SPD..8 10 12 10 8 7 7 7 8 9 9 9
LVORI...........3 2 2 2 2 2 2 1 1 1 1 1
ADI.............4 10 17 22 22 23 25 31 37 40 43 43
VRATE MPH-FT/1K.5 6 14 17 17 18 20 24 29 31 33 33
FORECASTER...PERRY
REQUESTED BY...JASON HALLACHER
TYPE OF REQUEST...PRESCRIBED
.TAG 2609237.0/RNK
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.HALLACHER@DWR.VIRGINIA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page