542  
FNUS71 KRLX 241226  
FWSRLX  
 
SPOT FORECAST FOR GREENBRIER ADMIN PILE BURN...USFS  
NATIONAL WEATHER SERVICE CHARLESTON WV  
826 AM EDT WED APR 24 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
MAINLY DRY TODAY ONCE MORNING RAIN EXITS SOUTHEAST, OUTSIDE OF A FEW  
POP-UP SHOWERS POSSIBLE NEAR THE MOUNTAINS. DRY CONDITIONS CONTINUE  
UNTIL ANOTHER SYSTEM APPROACHES LATE ON FRIDAY INTO THE WEEKEND.  
 
TEMPERATURES WILL REMAIN SEASONABLY TOMORROW, AND WHILE THERE WILL  
BE AMPLE SUNSHINE AND RH VALUES BELOW 40 PERCENT TOMORROW, WINDS  
ARE FORECAST TO REMAIN FAIRLY LIGHT.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH EARLY  
IN THE AFTERNOON, THEN SHIFTING TO THE NORTH  
AROUND 6 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 3 MPH SHIFTING TO THE  
SOUTHWEST AROUND 5 MPH IN THE LATE MORNING AND  
EARLY AFTERNOON, THEN SHIFTING TO THE WEST 3 TO  
5 MPH EARLY IN THE AFTERNOON SHIFTING TO THE  
NORTH AROUND 2 MPH LATE IN THE AFTERNOON.  
LVORI...............6.  
ADI.................5 TO 28.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........39 38 36 34 33 31 35 34 33 32  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 10 10 10 10 10  
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1  
TEMP............35 39 44 48 52 55 58 58 59 60  
RH..............100 91 74 65 55 49 45 43 42 42  
20 FT WIND DIR..E SE S S SW SW SW W NW N  
20 FT WIND SPD..2 2 2 3 5 5 5 6 6 6  
20 FT WIND GUST.4 5 5 6 6 7 8 8 8 8  
MIX HGT (KFT)...1.1 2.1 2.8 3.2 4.2 5.1 5.7 5.3 5.2 4.9  
TRANSP WIND DIR.E SE S S SW SW W W N N  
TRANSP WIND SPD.3 3 5 5 5 5 5 3 2 2  
LVORI...........9 5 3 3 2 2 2 2 2 2  
ADI.............5 11 15 19 24 27 28 21 17 16  
HAINES INDEX....4 4 4 4 4 4 4 4 3 3  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 6 MPH SHIFTING TO THE  
SOUTHEAST AROUND 5 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE SOUTHEAST  
AROUND 6 MPH EARLY IN THE EVENING.  
LVORI...............5.  
ADI.................2 TO 4.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........35 39 42 38 35 31 32 32 33 35 38 40  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 10 10 10 10 10  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............57 55 53 50 47 44 43 42 41 40 40 39  
RH..............46 51 57 65 74 84 86 89 91 92 94 96  
20 FT WIND DIR..NE E E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 6 5 5 5 5 5 5 5 5 5 5  
20 FT WIND GUST.8 8 7 7 7 7 6 6 6 6 6 6  
MIX HGT (KFT)...3.7 2.2 1.0 0.7 0.8 1.0 0.9 0.9 0.8 0.8 0.8 0.9  
TRANSP WIND DIR.NE E E E SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.3 5 6 6 6 6 6 6 6 6 6 6  
LVORI...........2 2 3 3 3 5 6 6 6 6 6 8  
ADI.............2 2 4 3 3 2 2 2 2 2 2 2  
HAINES INDEX....3 3 3 3 3 4 4 4 4 4 4 4  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......3300 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.  
LVORI...............5.  
ADI.................0 TO 13.  
HAINES INDEX........2 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........44 49 53 53 52 52 51 51 50 57 64 71  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 10 10 10 10 10  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............40 40 41 44 47 50 52 54 56 56 56 57  
RH..............94 90 81 72 62 57 53 46 42 39 36 35  
20 FT WIND DIR..SE SE SE SE S S S S S S S S  
20 FT WIND SPD..5 5 6 7 8 9 9 10 8 8 8 7  
20 FT WIND GUST.6 6 8 10 11 13 14 14 14 14 13 13  
MIX HGT (KFT)...1.0 1.2 1.4 1.7 2.0 2.4 2.7 3.1 3.3 3.3 3.2 2.9  
TRANSP WIND DIR.SE SE SE SE S S S S S S S S  
TRANSP WIND SPD.6 6 7 8 10 10 10 9 8 8 9 9  
LVORI...........6 6 5 6 6 4 4 4 3 3 3 3  
ADI.............7 10 13 0 0 0 0 0 0 0 0 0  
HAINES INDEX....4 4 4 4 4 4 4 4 4 3 3 2  
 

 
FORECASTER...FK  
REQUESTED BY...COLLEEN URFFER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2412196.0/RLX  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL COLLEEN.URFFER@USDA.GOV  
 
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