909
FNUS71 KRNK 080930
FWSRNK
SPOT FORECAST FOR CALDWELL FIELDS...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
430 AM EST THU JAN 8 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON JANUARY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT THE SURFACE INVERSION TO BE GONE BY 11AM. HIGH CLOUDS
WILL SPREAD ACROSS THE SKY FROM TIME TO TIME LIMITING SUNSHINE.
HOWEVER, SHOULD BE ENOUGH TO WARM TEMPERATURES TO THE UPPER
50S BY 2-3PM, WITH MIN RH CLOSE TO 40 PERCENT. HOWEVER, MIXING
WILL BE LIMITED WITH THE LIGHT WINDS.
THIS WILL BE THE LAST DAY TO BURN AS A WETTING RAIN MOVES IN FRIDAY.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2100 FT AGL.
MIXING WINDS........SOUTHEAST 3 TO 10 MPH.
SMOKE DISPERSAL.....POOR (3800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (18700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 TO 26.
TIME (EST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 61 73 80 86 86 80
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
TEMP............50 54 56 58 58 57 55
RH..............52 47 45 41 46 50 58
20 FT WIND DIR..SE SE SE SE SE SE SE
20 FT WIND SPD..2 3 3 3 2 2 1
20 FT WIND GUST.4 5 4 5 4 4 2
MIX HGT (KFT)...1.1 1.5 2.0 2.1 1.9 1.7 0.9
MIXNG WIND DIR..E SE SE SE SE SE SE
MIXNG WIND SPD..3 8 10 10 9 8 8
LVORI...........2 2 2 2 2 2 3
ADI.............6 15 25 26 22 17 7
VRATE MPH-FT/1K.4 11 20 22 18 13 7
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........99 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 7 MPH.
SMOKE DISPERSAL.....POOR (2100 KNOT-FT).
LVORI...............5.
ADI.................2 TO 3.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........77 88 82 88 85 72 59 69 76 83 86 91
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 10 10 0 0 0 10 10 10 10 10
TEMP............52 50 49 48 47 47 46 46 45 45 45 45
RH..............64 64 68 72 73 76 79 81 86 87 91 92
20 FT WIND DIR..SE SE E E SE SE SE SE SE SE SE SE
20 FT WIND SPD..1 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.2
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.5 0.5 0.5 0.5
MIXNG WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
MIXNG WIND SPD..7 7 6 6 5 5 5 5 5 6 6 6
LVORI...........3 3 3 3 3 4 4 5 6 6 6 6
ADI.............3 3 3 2 2 2 2 2 2 2 3 2
VRATE MPH-FT/1K.4 3 3 3 2 2 3 3 3 3 3 3
FRIDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN IN THE
MORNING. RAIN IN THE AFTERNOON.
CWR (0.01 IN).......10 PERCENT INCREASING TO 80 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........79 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........SOUTH 3 TO 12 MPH SHIFTING TO THE SOUTHWEST 14
TO 17 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (24800 KNOT-FT) IN THE
AFTERNOON.
LVORI...............6.
ADI.................3 TO 28.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........94 94 93 93 92 95 94 93 93 94 94 93
WEATHER COV..... CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF
WEATHER TYPE.... RN RN RN RN RN RN RN RN RN RN RN
TSTM COV........
CWR.............10 30 30 30 30 30 30 80 80 80 80 80
TEMP............47 48 48 51 54 58 61 63 64 64 63 62
RH..............92 95 99 97 91 84 81 80 79 80 82 84
20 FT WIND DIR..SE SE SE S S S S S S SW SW SW
20 FT WIND SPD..2 2 2 3 4 5 5 5 5 5 5 4
20 FT WIND GUST.4 10 10 11 12 13 14 14 14 14 14 14
MIX HGT (KFT)...0.5 0.5 0.6 0.7 1.2 1.6 1.9 1.9 1.5 1.4 1.3 1.1
MIXNG WIND DIR..SE SE SE S S S S S S SW SW SW
MIXNG WIND SPD..5 5 3 3 5 8 12 15 16 17 16 14
LVORI...........6 8 9 8 5 4 3 3 3 3 3 4
ADI.............4 4 3 3 7 13 22 28 27 27 25 19
VRATE MPH-FT/1K.3 2 2 3 6 13 22 29 25 24 22 15
FORECASTER...PERRY
REQUESTED BY...WILLIAM BRIMM
TYPE OF REQUEST...PRESCRIBED
.TAG 2528502.1/RNK
.DELDT 01/08/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.BRIMM@USDA.GOV,BRIAN.THEILER@USDA.GOV
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