833  
FNUS72 KCAE 211053  
FWSCAE  
 
SPOT FORECAST FOR LCRD C-307/308/309 RCW...US FOREST SERVICE  
NATIONAL WEATHER SERVICE COLUMBIA SC  
653 AM EDT FRI SEP 21 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON SEPTEMBER 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
POSITIVE OR NEGATIVE FEEDBACK INCLUDING OBSERVATIONS TAKEN AT  
THE BURN SITE WOULD BE GREATLY APPRECIATED. YOU CAN USE THE SAME  
WEBPAGE WHERE YOU REQUESTED THE SPOT FORECAST FOR THIS. YOU MAY  
ALSO CALL OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS.  
   
DISCUSSION
 
HIGH PRESSURE NORTHEAST OF THE REGION WILL KEEP  
RIDGING OVER THE AREA THROUGH THE NEXT SEVERAL DAYS. WINDS WILL BE  
EASTERLY AT 8 MPH OR LESS TODAY THEN BECOME LIGHT AND VARIABLE  
THIS EVENING. WITH THE EASTERLY WINDS MOISTURE WILL BE SLOWLY  
INCREASING HOWEVER NO CONVECTION IS EXPECTED. PATCHY FOG AROUND  
THE AREA WILL DISSIPATE WITH SUNRISE AND MIXING AND WILL AGAIN BE  
POSSIBLE TONIGHT AS THE INVERSION DEVELOPS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 7 MPH.  
LVORI...............4.  
MAX ADI.............29.  
 
TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........41 40 33 19 25  
WEATHER COV.....PATCHY  
WEATHER TYPE....FOG NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 10 10  
TEMP............70 78 83 87 89  
RH..............93 79 65 55 50  
20 FT WIND......NE 2 E 2 E 4 E 5 E 6  
20 FT WIND GUST. 4 5 6  
MIX HGT (FT)....300 1600 3100 4700 5000  
TRANSPORT WIND..SE 6 SE 6 SE 7 SE 7 SE 7  
LVORI...........6 4 3 2 2  
ADI.............6 12 23 28 29  
LAL.............1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.  
LVORI...............4.  
MIN ADI.............2.  
 
TIME (EDT) 6 PM 10 PM 2 AM  
SKY (%).........15 7 6  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 0 0  
TEMP............87 76 72  
RH..............53 76 87  
20 FT WIND......E 5G6 SE 3 S 2  
MIX HGT (FT)....3300 700 300  
TRANSPORT WIND..SE 7 S 7 S 6  
LVORI...........2 4 6  
ADI.............23 3 3  
LAL.............1 1 1  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 7 MPH.  
LVORI...............4.  
MAX ADI.............29.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........13 17 15 22  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 10 10  
TEMP............69 72 85 89  
RH..............93 87 59 48  
20 FT WIND......SE 1G2 S 1G2 SE 3G4 E 5  
MIX HGT (FT)....300 1100 3500 5300  
TRANSPORT WIND..S 5 S 5 S 6 SE 7  
LVORI...........6 5 2 2  
ADI.............2 7 24 29  
LAL.............1 1 1 1  
 

 
FORECASTER...PROUD  
REQUESTED BY...JAMIE ATKINS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1815988.2/CAE  
 
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