130  
FNUS71 KRNK 092050  
FWSRNK  
 
SPOT FORECAST FOR PANTHER KNOB RX...USFS  
NATIONAL WEATHER SERVICE BLACKSBURG VA  
450 PM EDT THU APR 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1700 EDT ON APRIL 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SKIES REMAIN SUNNY WITH TEMPERATURES IN THE MID 60S. TEMPERATURES  
DROP TO AROUND 40 OVERNIGHT AND INCREASE TO 70 DEGREES BY TOMORROW  
AFTERNOON. WINDS WERE LIGHT AND VARIABLE, WITH MARION/WYTHEVILLE  
RAWS REPORTING ENE AT 5 MPH, AND LOCAL MODELS SHOWING A MORE ESE  
DIRECTION 1 TO 3 MPH AT THE BURN SITE. WINDS BECOME SE AND LIGHT  
OVERNIGHT, BECOMING SW TOMORROW AND INCREASING SLIGHTLY. MINIMUM  
RH VALUES VALUES WERE BETWEEN 25 TO 30 PERCENT IN THE AREA THIS  
AFTERNOON, ONLY RECOVERING TO AROUND 52 PERCENT OVERNIGHT, THEN  
DROPPING TO 25 PERCENT AGAIN BY TOMORROW AFTERNOON. MIXING/SMOKE  
DISPERSION WILL BE POOR TO FAIR AT TIMES, BUT MIXING HEIGHTS DO  
INCREASE TOMORROW. NO WETTING RAINS EXPECTED INTO THE MIDDLE OF  
NEXT WEEK WITH A WARMING TREND.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3900 FT AGL.  
MIXING WINDS........EAST AROUND 1 MPH.  
SMOKE DISPERSAL.....POOR (3900 KNOT-FT).  
LVORI...............2.  
ADI.................6.  
 
TIME (EDT) 5PM  
SKY (%).........0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0  
TEMP............63  
RH..............26  
20 FT WIND DIR..SE  
20 FT WIND SPD..4  
20 FT WIND GUST.13  
MIX HGT (KFT)...3.9  
MIXNG WIND DIR..E  
MIXNG WIND SPD..1  
LVORI...........2  
ADI.............6  
VRATE MPH-FT/1K.4  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........52 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
MIXING WINDS........SOUTHEAST 3 TO 8 MPH SHIFTING TO THE SOUTH  
AROUND 5 MPH OVERNIGHT.  
SMOKE DISPERSAL.....POOR (1200 KNOT-FT).  
LVORI...............2.  
ADI.................2 TO 14.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........6 5 5 3 3 4 4 6 6 7 7 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............62 59 56 53 51 49 47 45 43 43 42 41  
RH..............27 30 32 33 41 43 46 44 48 46 48 52  
20 FT WIND DIR..SE SE S S S S S S S S SW SW  
20 FT WIND SPD..4 4 4 3 3 2 2 2 2 2 2 2  
20 FT WIND GUST.12 11 10 10 8 7 7 6 6 6 6 6  
MIX HGT (KFT)...3.3 1.9 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
MIXNG WIND DIR..SE SE SE SE S S S S S S S S  
MIXNG WIND SPD..3 6 8 8 7 6 6 5 5 5 5 5  
LVORI...........2 2 2 2 2 2 2 2 2 2 2 2  
ADI.............14 3 4 4 3 3 2 2 2 2 2 2  
VRATE MPH-FT/1K.11 11 3 3 2 2 2 2 1 1 1 1  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR (0.01 IN).......0 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........25 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
MIXING WINDS........SOUTHWEST 3 TO 6 MPH SHIFTING TO THE WEST 8 TO  
10 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (51100 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 72 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 6 6 3 4 5 5 7 7 9 7 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............42 43 44 51 56 61 64 66 68 69 69 69  
RH..............51 49 50 42 39 33 31 30 28 28 26 25  
20 FT WIND DIR..SW SW W W W W W W W W W W  
20 FT WIND SPD..2 2 2 2 2 3 3 3 4 4 5 5  
20 FT WIND GUST.6 6 7 7 7 8 8 8 10 10 10 11  
MIX HGT (KFT)...0.3 0.3 0.3 0.5 1.6 2.4 3.4 4.5 5.4 5.6 5.4 5.2  
MIXNG WIND DIR..SW SW W W W W W W W W W W  
MIXNG WIND SPD..3 3 3 6 8 10 10 10 10 10 10 10  
LVORI...........2 2 2 2 2 1 1 1 1 1 1 1  
ADI.............2 3 3 5 17 33 48 61 69 72 71 66  
VRATE MPH-FT/1K.1 1 1 3 13 25 37 48 55 59 58 53  
 
 
FORECASTER...HANES  
REQUESTED BY...COOPER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609865.0/RNK  
.DELDT 04/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KENNETH.COOPER@USDA.GOV  
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