007  
FNUS71 KRNK 020951  
FWSRNK  
 
SPOT FORECAST FOR SUMMIT LAKE...USFS  
NATIONAL WEATHER SERVICE BLACKSBURG VA  
451 AM EST TUE DEC 2 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON DECEMBER 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BE OVER THE AREA WEDNESDAY. ASIDE FOR  
SOME EARLY MORNING CLOUDINESS. EXPECT MAINLY CLEAR SKIES AND SUNSHINE  
FOR THE AFTERNOON...WINDS LIGHT OUT OF THE WEST. THE DAY WILL  
ALSO START OFF WELL BELOW FREEZING, AND IT MAY TAKE MOST OF THE  
DAY BEFORE READINGS GET INTO THE LOWER 30S.  
 
REMARKS: WETTING RAIN AND FREEZING RAIN HAVE RESET THE CLOCK WITH  
RESPECT TO FUEL MOISTURE. AS SUCH, NO FIRE SPREAD CONCERNS FOR  
WEDNESDAY. LOOKS LIKE A FAVORABLE DAY FOR CONDUCTING PILE BURNS IF  
YOU HAD THEM COVERED PRIOR TO THE CURRENT PRECIPITATION EVENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MAX TEMPERATURE.....AROUND 33.  
MIN HUMIDITY........66 PERCENT.  
WIND (20 FT)........LIGHT WEST WINDS.  
MIXING HEIGHT.......1600 FT AGL.  
MIXING WINDS........WEST 5 TO 8 MPH.  
SMOKE DISPERSAL.....POOR (2700 KNOT-FT).  
LVORI...............5.  
ADI.................3 TO 13.  
 
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........70 54 47 39 34 28 23 17 12 6 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
TEMP............19 19 21 24 27 29 31 32 32 31 29  
RH..............90 92 90 85 78 72 67 66 67 69 74  
20 FT WIND DIR..NW NW W W W W W W W W W  
20 FT WIND SPD..3 3 3 3 3 4 4 4 4 4 4  
20 FT WIND GUST.7 6 6 6 7 7 7 7 6 6 7  
MIX HGT (KFT)...0.7 0.5 0.7 0.8 1.0 1.3 1.6 1.4 1.2 1.0 0.8  
MIXNG WIND DIR..NW NW NW NW W W W W W W W  
MIXNG WIND SPD..8 7 6 6 6 7 7 7 6 5 5  
LVORI...........5 6 5 4 4 3 3 3 3 3 3  
ADI.............6 5 7 6 8 10 13 11 8 6 3  
VRATE MPH-FT/1K.6 3 4 5 6 8 10 9 6 5 3  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MIN TEMPERATURE.....AROUND 22.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......200 FT AGL.  
MIXING WINDS........WEST 3 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (600 KNOT-FT).  
LVORI...............5.  
ADI.................1 TO 8.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........6 6 9 11 14 17 20 23 31 40 48 54  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............26 24 23 23 23 23 23 23 23 24 24 24  
RH..............81 86 84 80 76 75 76 77 78 80 82 84  
20 FT WIND DIR..SW SW SW SW SW SW W W W W W W  
20 FT WIND SPD..3 3 3 4 4 4 4 5 5 6 6 6  
20 FT WIND GUST.7 7 7 8 10 10 10 10 11 12 13 14  
MIX HGT (KFT)...0.5 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.5  
MIXNG WIND DIR..W SW SW W W W W W W W W W  
MIXNG WIND SPD..3 3 3 3 3 5 6 7 8 9 10 12  
LVORI...........5 6 5 5 4 4 4 4 4 4 4 4  
ADI.............2 2 1 1 2 2 2 3 4 4 7 8  
VRATE MPH-FT/1K.2 1 1 1 1 1 1 2 2 3 4 6  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF  
SNOW LATE IN THE MORNING.  
CWR (0.01 IN).......10 PERCENT.  
MAX TEMPERATURE.....AROUND 27.  
MIN HUMIDITY........80 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 9 MPH. GUSTS UP TO 23 MPH.  
MIXING HEIGHT.......2200 FT AGL.  
MIXING WINDS........WEST 13 TO 22 MPH SHIFTING TO THE NORTHWEST 17  
TO 24 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (6700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (45900 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................14 TO 49.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........61 67 72 77 82 83 83 84 79 74 69 70  
WEATHER COV..... SCH  
WEATHER TYPE.... SN  
TSTM COV........  
CWR.............0 10 10 10 20 10 10 10 10 0 0 0  
TEMP............24 24 24 25 26 26 26 26 26 25 24 23  
RH..............86 87 87 86 86 87 88 89 87 85 84 86  
20 FT WIND DIR..W W W W W W NW NW NW NW NW NW  
20 FT WIND SPD..6 6 7 8 8 9 9 8 8 8 8 7  
20 FT WIND GUST.14 16 17 18 18 18 18 18 18 18 17 16  
MIX HGT (KFT)...0.6 0.7 1.1 1.6 2.1 2.1 2.1 2.2 2.1 2.1 2.0 1.7  
MIXNG WIND DIR..W W W W W W NW NW NW NW NW NW  
MIXNG WIND SPD..13 15 17 20 22 23 24 24 23 21 18 17  
LVORI...........4 4 4 4 4 4 4 4 4 4 4 4  
ADI.............14 16 24 34 43 46 49 49 45 41 36 30  
VRATE MPH-FT/1K.8 10 20 32 45 49 52 53 49 43 37 29  
 

 
FORECASTER...MANUEL  
REQUESTED BY...ROBERT CUMMINGS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526775.0/RNK  
.DELDT 12/02/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ROBERT.CUMMINGS@USDA.GOV  
 
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