882
FNUS71 KRNK 091823
FWSRNK
SPOT FORECAST FOR ONEAL RX...VIRGINIA DEPARTMENT OF FORESTRY
NATIONAL WEATHER SERVICE BLACKSBURG VA
223 PM EDT TUE SEP 9 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 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. THERE IS A DISTURBANCE OFF THE COAST THAT MAY
BRING SOME HIGH CLOUDS IN THE AREA DURING THE DAY WEDNESDAY.
CLOUDS OR NO CLOUDS WILL HAVE AN AFFECT ON DEW POINTS AND RELATIVE
HUMIDITIES.
MIXING HAS LOWER RELATIVE HUMIDITIES (RH) DOWN TO NEAR 35% THIS
AFTERNOON. RH WILL RECOVER INTO THE 40S THIS EVENING AND INCREASE
OVERNIGHT. WINDS WILL REMAIN LIGHT OUT OF THE NORTH WITH A
OCCASIONAL GUST BETWEEN 10-15 MPH IN THE AFTERNOON. SIMILAR
CONDITIONS ARE POSSIBLE WEDNESDAY. IF CLOUDS DO NOT INVADED THE
AREA, RH COULD RANGE IN THE UPPER 30S TO LOWER 40S. HOWEVER, WE
ARE ANTICIPATING AT LEAST A THIN LAYER OF HIGH CLOUDS WHICH SHOULD
HAVE RH RANGING FROM THE UPPER 40S TO LOWER 50S. WARMER WITH A
SLIGHT INCREASE IN HUMIDITY THURSDAY.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........NORTH 12 TO 15 MPH.
SMOKE DISPERSAL.....POOR (4800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (47000 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................12 EARLY IN THE MORNING INCREASING TO 65 IN THE
AFTERNOON.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........48 49 49 50 51 50 50 49 49 49
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............56 61 66 69 72 74 75 76 76 75
RH..............86 75 65 60 56 52 52 50 51 53
20 FT WIND DIR..NW NW N N N N N N NE NE
20 FT WIND SPD..5 5 6 6 6 5 5 5 5 5
20 FT WIND GUST.8 8 10 10 10 8 8 7 7 7
MIX HGT (KFT)...0.5 1.0 1.6 2.7 3.3 3.7 3.8 4.0 3.8 3.1
MIXNG WIND DIR..N N N N N N N N N N
MIXNG WIND SPD..12 13 14 15 15 15 14 14 13 12
LVORI...........4 3 3 1 1 1 1 1 1 1
ADI.............12 17 29 50 38 65 64 63 58 44
VRATE MPH-FT/1K.6 13 23 40 49 54 53 53 48 36
WEDNESDAY NIGHT
SKY/WEATHER.........BECOMING PARTLY CLOUDY (45-55 PERCENT).
CWR (0.01 IN).......5 PERCENT.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........NORTH 2 TO 10 MPH.
SMOKE DISPERSAL.....FAIR (23200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (900 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............6.
ADI.................1 TO 33.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........49 49 56 31 29 26 27 28 29 30 30 31
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............74 71 68 64 62 62 60 60 59 58 57 57
RH..............57 62 71 81 86 90 93 96 99 100 100 100
20 FT WIND DIR..NE NE E E NE N N N NW NW NW NW
20 FT WIND SPD..5 4 3 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.6 6 6 5 4 4 4 4 5 5 5 6
MIX HGT (KFT)...2.7 0.9 0.9 0.5 0.4 0.6 0.6 0.6 0.7 0.6 0.5 0.4
MIXNG WIND DIR..N N N N N N N N N N NW NW
MIXNG WIND SPD..10 8 7 6 5 5 6 8 9 7 5 2
LVORI...........1 3 3 5 6 6 6 8 9 9 9 10
ADI.............33 6 3 2 2 2 3 4 4 3 2 1
VRATE MPH-FT/1K.27 7 6 3 2 3 4 5 6 4 2 1
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3900 FT AGL.
MIXING WINDS........NORTH 2 TO 8 MPH IN THE MORNING, THEN
SHIFTING TO THE WEST AROUND 2 MPH LATE
IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (18300 KNOT-FT) IN THE
AFTERNOON.
LVORI...............6.
ADI.................1 TO 26.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........28 24 21 21 20 20 25 29 34 29 24 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 10 10 10 10
TEMP............56 57 59 63 68 72 75 77 78 79 79 78
RH..............100 100 95 85 73 64 59 55 53 51 50 51
20 FT WIND DIR..NW NW NW NW N N N N NE NE NE NE
20 FT WIND SPD..3 3 4 4 4 4 4 4 4 4 4 4
20 FT WIND GUST.6 6 6 6 6 6 6 6 6 7 7 7
MIX HGT (KFT)...0.4 0.4 0.3 1.1 1.9 2.6 3.0 3.5 3.9 3.9 3.9 3.9
MIXNG WIND DIR..NW N N N N NE NE NE NE N NW W
MIXNG WIND SPD..2 2 3 6 7 8 7 5 2 2 2 2
LVORI...........10 9 8 4 3 2 2 2 2 2 2 2
ADI.............1 2 4 8 17 26 25 18 11 9 10 11
VRATE MPH-FT/1K.1 1 1 6 13 21 20 15 9 7 8 9
FORECASTER...STONEFIELD
REQUESTED BY...BENJAMIN WASSUM
TYPE OF REQUEST...PRESCRIBED
.TAG 2521328.0/RNK
.DELDT 09/09/25
.FORMATTERVERSION 2.0.0
.EMAIL BENJAMIN.WASSUM@DOF.VIRGINIA.GOV
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