654  
FNUS71 KRNK 071405  
FWSRNK  
 
SPOT FORECAST FOR CALDWELL FIELDS...USFS  
NATIONAL WEATHER SERVICE BLACKSBURG VA  
905 AM EST WED JAN 7 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0000 EST ON JANUARY 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
A WEAK COLD FRONT IS PUSHING THROUGH THE AREA THIS MORNING, THOUGH NO  
RAIN IS EXPECTED. ELEVATED WINDS THIS AFTERNOON DECREASE BY SUNSET  
TONIGHT, WITH GUSTS UNDER 10 MPH TONIGHT. LOW TEMPERATURES TONIGHT WILL  
BE IN THE LOW 30S. HIGH PRESSURE KEEPS CONDITIONS DRY FOR THURSDAY, WITH  
NO CHANCE OF RAIN. WINDS REMAIN LIGHT, WITH GUSTS OF 10-15 MPH POSSIBLE  
THURSDAY AFTERNOON, AS CLOUDS INCREASE. MINRH VALUES ON THURSDAY WILL  
BE AROUND 40%. HIGH TEMPERATURES WILL BE MILD, RIGHT AROUND 60 DEGREES.  
CLOUDS KEEP LOWS THURSDAY NIGHT IN THE MID 40S, THOUGH NO RAIN IS  
EXPECTED UNTIL FRIDAY AFTERNOON AS THE NEXT SYSTEM APPROACHES.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MIN TEMPERATURE.....AROUND 35.  
MAX HUMIDITY........89 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
MIXING WINDS........WEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (1600 KNOT-FT).  
LVORI...............6.  
ADI.................2 TO 5.  
 
TIME (EST) MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........11 18 22 26 36 31  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............39 38 38 37 37 36  
RH..............88 88 89 88 88 87  
20 FT WIND DIR..W W W W W W  
20 FT WIND SPD..3 3 3 3 3 3  
20 FT WIND GUST.5 6 6 5 5 5  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4  
MIXNG WIND DIR..W W W W W NW  
MIXNG WIND SPD..5 6 8 9 10 9  
LVORI...........6 6 6 5 5 6  
ADI.............2 3 3 4 5 4  
VRATE MPH-FT/1K.2 2 3 4 4 4  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MAX TEMPERATURE.....AROUND 62.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1900 FT AGL.  
MIXING WINDS........NORTHWEST 2 TO 6 MPH SHIFTING TO THE EAST 1 TO  
2 MPH LATE IN THE MORNING, THEN SHIFTING TO THE  
SOUTHEAST 3 TO 6 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (400 KNOT-FT).  
LVORI...............4.  
ADI.................1 TO 12.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........33 28 23 33 32 33 40 49 58 65 72 76  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............36 36 37 42 48 53 58 61 62 62 60 57  
RH..............85 83 80 70 60 50 42 38 38 40 44 50  
20 FT WIND DIR..W NW W W S S SE SE SE SE SE SE  
20 FT WIND SPD..3 1 1 1 1 2 3 4 4 4 4 4  
20 FT WIND GUST.5 2 2 2 2 4 6 6 7 8 8 7  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.6 1.0 1.4 1.9 1.8 1.6 1.5 1.1  
MIXNG WIND DIR..NW NW N NE E E SE SE SE SE SE SE  
MIXNG WIND SPD..6 3 2 1 1 2 3 5 5 6 6 6  
LVORI...........4 5 5 3 3 2 2 2 2 2 2 2  
ADI.............6 4 2 1 1 3 6 11 12 11 9 9  
VRATE MPH-FT/1K.2 1 1 0 1 2 5 9 9 9 8 7  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
CWR (0.01 IN).......10 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........85 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
MIXING WINDS........SOUTHEAST 5 TO 7 MPH.  
SMOKE DISPERSAL.....POOR (1600 KNOT-FT).  
LVORI...............4.  
ADI.................2 TO 3.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........79 80 78 76 73 72 72 74 76 78 81 83  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 10 10 10 10 10  
TEMP............54 51 49 49 48 48 47 47 48 48 49 49  
RH..............56 61 65 68 71 74 77 79 80 81 81 83  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE S S  
20 FT WIND SPD..3 3 2 2 2 3 3 3 3 3 3 3  
20 FT WIND GUST.6 6 6 5 6 6 6 6 6 6 6 6  
MIX HGT (KFT)...0.8 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4  
MIXNG WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
MIXNG WIND SPD..7 7 7 7 7 6 6 5 5 5 5 5  
LVORI...........3 3 3 3 3 3 4 4 5 5 5 5  
ADI.............3 3 3 3 3 3 2 2 2 2 2 2  
VRATE MPH-FT/1K.5 3 4 4 4 3 3 2 2 2 2 2  
 
 
FORECASTER...BURROUGHS  
REQUESTED BY...WILLIAM BRIMM  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2528502.0/RNK  
.DELDT 01/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL WILLIAM.BRIMM@USDA.GOV  
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