080  
FNUS72 KCHS 201409  
FWSCHS  
 
SPOT FORECAST FOR WAMBAW TRACT...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE CHARLESTON SC  
909 AM EST SAT JAN 20 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..NEAR CRITICAL RELATIVE HUMIDITY THIS AFTERNOON
 
 
   
DISCUSSION
 
 
HIGH PRESSURE WILL PREVAIL THIS WEEKEND. RELATIVE HUMIDITY WILL BE  
NEAR CRITICAL LEVELS THIS AFTERNOON.  
 
FOG POTENTIAL FOR TONIGHT: LOW, MAINLY SHALLOW.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........27 PERCENT.  
WIND (20 FT)........WEST TO SOUTHWEST 5 TO 7 MPH.  
MIXING HEIGHT.......MAX 2200 FT AGL.  
TRANSPORT WINDS.....WEST TO SOUTHWEST 8 TO 12 MPH.  
INVERSION END.......1100  
 
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR MCR  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............49 53 57 60 61 61 58 55  
RH..............39 35 30 27 28 31 37 43  
20 FT WIND DIR..W W SW SW SW SW SW SW  
20 FT WIND SPD..5 5 6 7 7 7 7 6  
20 FT WIND GUST.6 6 8 10 10 12 12 10  
MIX HGT (KFT)...0.8 1.1 1.5 1.8 2.0 2.2 1.7 1.2  
TRANSP WIND DIR.W W SW SW SW SW SW SW  
TRANSP WIND SPD.8 8 12 12 12 12 12 12  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING, BECOMING LIGHT AND VARIABLE.  
MAX LVORI...........10.  
MIN ADI.............1.  
INVERSION BEGIN.....1800  
 
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR PCLDY PCLDY PCLDY MCLEAR  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............48 40 39 39 39 38  
RH..............60 85 92 96 96 100  
20 FT WIND......SW 5 SW 3 W 3 W 1 W 0 NW 0  
20 FT WIND GUST.6 4 4 2  
MIX HGT (FT)....700 600 600 500 500 400  
TRANSPORT WIND..SW 6 SW 6 W 4 W 2 W 2 NW 2  
LVORI...........4 5 7 8 9 10  
ADI.............6 2 2 1 1 1  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS.  
MIXING HEIGHT.......MAX 2600 FT AGL.  
TRANSPORT WINDS.....LIGHT AND VARIABLE WINDS.  
INVERSION END.......1000  
 
TIME (EST) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
TEMP............36 45 60 64  
RH..............100 82 55 50  
20 FT WIND......NW 0 N 1G2 SE 2 SE 2  
MIX HGT (FT)....400 800 2300 2400  
TRANSPORT WIND..N 2 NE 4 E 4 SE 4  
 

 
FORECASTER...BRIGHT  
REQUESTED BY...TOM DOOLEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1800641.0/CHS  
.EMAIL TDOOLEY@TNC.ORG  
 
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