647
FNUS71 KRNK 291322
FWSRNK
SPOT FORECAST FOR BIG NEAL RX...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
922 AM EDT SUN MAR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0400 EDT ON MARCH 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A LIGHT SOUTHWEST BREEZE ON MONDAY MORNING SHOULD INCREASE BY
MONDAY AFTERNOON WITH GUSTS UP TO 15 MPH. MIXING SHOULD BE GOOD,
BUT MIXING HEIGHTS MAY ONLY REACH 2500 FEET ABOVE GROUND LEVEL AS
CLOUDS INCREASE. THE RELATIVE HUMIDITY SHOULD FALL TOWARDS 50
PERCENT BY THE AFTERNOON. A 20 PERCENT CHANCE OF RAIN EXISTS AT
THE BURN SITE DURING MONDAY AFTERNOON, BUT THIS CHANCE OF RAIN
DIMINISHES AFTER SUNSET. TUESDAY APPEARS TO BE A REPEAT OF MONDAY
WITH A GUSTY SOUTHWEST WIND, BUT THE CHANCE OF RAIN AND THE
RELATIVE HUMIDITY MAY BE SLIGHTLY LOWER.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-45 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........64 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 5 MPH.
SMOKE DISPERSAL.....POOR (2800 KNOT-FT).
LVORI...............3.
ADI.................3.
TIME (EDT) 4AM 5AM
SKY (%).........44 36
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 10
TEMP............40 40
RH..............51 54
20 FT WIND DIR..SW SW
20 FT WIND SPD..5 5
20 FT WIND GUST.8 8
MIX HGT (KFT)...0.6 0.6
MIXNG WIND DIR..SW SW
MIXNG WIND SPD..6 6
LVORI...........2 3
ADI.............4 3
VRATE MPH-FT/1K.4 4
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE
OF RAIN SHOWERS IN THE AFTERNOON.
CWR (0.01 IN).......INCREASING TO 20 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH IN THE MORNING
INCREASING TO 5 TO 10 MPH WITH GUSTS UP TO
15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH IN THE MORNING
INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2400 KNOT-FT) IN THE MORNING INCREASING
TO GOOD (39600 KNOT-FT) IN THE AFTERNOON.
LVORI...............2.
ADI.................INCREASING TO 39.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........49 69 67 72 79 76
WEATHER COV..... S CHC S CHC S CHC
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............10 10 10 20 20 20
TEMP............40 41 49 56 60 61
RH..............58 64 59 56 56 56
20 FT WIND......SW 5 SW 4 SW 5 SW 6 SW 6 SW 6
20 FT WIND GUST.8 11 14 16 16 16
MIX HGT (FT)....500 500 1600 2400 2400 2100
MIXING WIND......SW 6 SW 6 SW 8 SW 13 SW 17 SW 15
LVORI...........3 3 2 2 1 2
ADI.............4 6 15 29 39 30
VRATE MPH-FT/1K.4 4 14 33 46 33
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
CWR (0.01 IN).......DECREASING TO 10 PERCENT OVERNIGHT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR (20300 KNOT-FT) IN THE EVENING DECREASING
TO POOR (6100 KNOT-FT) OVERNIGHT.
LVORI...............3.
ADI.................DECREASING TO 7.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........70 63 59 57 58 48
WEATHER COV.....S CHC
WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE
TSTM COV........
CWR.............20 10 10 10 10 10
TEMP............61 58 56 54 53 52
RH..............60 67 71 75 77 77
20 FT WIND......SW 5 SW 5 SW 5 SW 5 SW 5 SW 4
20 FT WIND GUST.14 12 12 13 13 13
MIX HGT (FT)....1700 800 700 700 700 700
MIXING WIND......SW 13 SW 13 SW 14 SW 14 SW 13 SW 12
LVORI...........2 3 3 4 4 4
ADI.............23 8 9 9 8 7
VRATE MPH-FT/1K.23 11 11 11 11 9
FORECASTER...WILSON
REQUESTED BY...JOE JARRELLS
TYPE OF REQUEST...PRESCRIBED
.TAG 2608334.0/RNK
.DELDT 03/29/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.JARRELLS@USDA.GOV
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