511
FNUS71 KRNK 091333
FWSRNK
SPOT FORECAST FOR LANE P-BURN...VDOF
NATIONAL WEATHER SERVICE BLACKSBURG VA
933 AM EDT TUE SEP 9 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A LARGE AREA OF HIGH PRESSURE WILL DOMINATE THE WEATHER FOR THE
MAJORITY OF THE WEEK, LEADING TO AN EXTENDED PERIOD OF DRY AND
STABLE CONDITIONS.
MIXING WILL LOWER RELATIVE HUMIDITIES (RH) DOWN TO 35% THIS AFTERNOON.
RH WILL RECOVER INTO THE 40S THIS EVENING AND INCREASE OVERNIGHT.
WINDS WILL REMAIN LIGHT OUT OF THE NORTHEAST WITH A OCCASIONAL GUST
BETWEEN 10-15 MPH IN THE AFTERNOON. SIMILAR CONDITIONS EXPECTED WEDNESDAY,
BUT WITH A SLIGHTLY HIGHER RH (UPPER 30S TO LOWER 40S).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
EARLY IN THE AFTERNOON.
MIXING HEIGHT.......4600 FT AGL.
MIXING WINDS........NORTH 9 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (18400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (45800 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................27 TO 62.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 30 33 36 39 33 26 20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
TEMP............64 68 71 73 74 75 75 74
RH..............64 56 48 44 39 38 37 37
20 FT WIND DIR..N N N NE NE NE NE NE
20 FT WIND SPD..3 4 4 5 5 5 4 4
20 FT WIND GUST.7 7 7 7 7 7 7 7
MIX HGT (KFT)...2.3 3.2 3.6 4.1 4.6 4.4 4.3 4.2
MIXNG WIND DIR..N N N N N N N N
MIXNG WIND SPD..9 12 12 12 12 12 12 12
LVORI...........3 1 1 1 1 1 1 1
ADI.............27 45 53 58 62 61 60 57
VRATE MPH-FT/1K.21 36 44 49 53 52 51 48
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........99 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........NORTH 2 TO 10 MPH.
SMOKE DISPERSAL.....FAIR (27100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1000 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............6.
ADI.................1 TO 39.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........17 14 11 14 16 19 16 13 10 10 9 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............72 68 65 62 60 59 57 57 56 55 55 54
RH..............42 39 58 74 88 92 93 93 93 95 97 98
20 FT WIND DIR..NE NE NE NE N N N N NW NW NW NW
20 FT WIND SPD..3 2 2 1 1 2 2 2 2 2 2 2
20 FT WIND GUST.6 6 6 5 5 5 5 5 5 5 5 5
MIX HGT (KFT)...2.9 1.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
MIXNG WIND DIR..N N NE N N N N N N N N N
MIXNG WIND SPD..10 9 8 7 7 6 5 5 3 3 2 2
LVORI...........1 3 4 5 6 6 6 7 7 8 8 10
ADI.............39 4 4 3 3 3 2 2 2 1 1 1
VRATE MPH-FT/1K.31 16 4 4 3 3 3 2 2 2 1 1
FORECASTER...STONEFIELD
REQUESTED BY...BJ BUTLER
TYPE OF REQUEST...PRESCRIBED
.TAG 2521621.0/RNK
.DELDT 09/10/25
.FORMATTERVERSION 2.0.0
.EMAIL BJ.BUTLER@DOF.VIRGINIA.GOV
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