328  
FNUS72 KCHS 311018 CCA  
FWSCHS  
 
SPOT FORECAST FOR FM C159...CORRECTED  
NATIONAL WEATHER SERVICE CHARLESTON SC  
618 AM EDT MON JUL 31 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JULY 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY HIGH PRESSURE WILL DOMINATE THE REGION TODAY AND TONIGHT.  
UNUSUALLY LOW  
 
FOG POTENTIAL FOR TONIGHT: NONE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........41 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 7 TO 9 MPH.  
MIXING HEIGHT.......MAX 4500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 14 MPH.  
MAX ADI.............33.  
INVERSION END.......0900.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR MCR MCR MCR MCR MCR  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............75 80 82 84 85 85 85 84  
RH..............54 44 43 41 41 41 42 45  
20 FT WIND DIR..NE NE NE NE NE NE NE NE  
20 FT WIND SPD..9 9 9 9 9 8 8 7  
20 FT WIND GUST.14 14 14 14 12 12 12 12  
MIX HGT (KFT)...3.3 4.5 4.4 4.3 4.2 4.5 4.4 4.3  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.14 14 10 10 10 8 8 8  
LVORI...........3 3 2 2 1 1 2 2  
ADI.............19 23 26 30 33 28 23 18  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 65.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH EARLY IN THE  
EVENING, BECOMING LIGHT AND VARIABLE.  
MAX LVORI...........8.  
MIN ADI.............2.  
INVERSION BEGIN.....2000.  
 
TIME (EDT) 6 PM 10 PM 2 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............83 73 69  
RH..............47 76 93  
20 FT WIND......NE 6G10 E 4 NE 4  
MIX HGT (FT)....4100 700 600  
TRANSPORT WIND..NE 6 NE 4 NE 4  
LVORI...........2 5 8  
ADI.............13 2 2  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS, BECOMING NORTHEAST 5  
TO 7 MPH.  
MIXING HEIGHT.......MAX 4900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH UNTIL LATE AFTERNOON,  
BECOMING LIGHT.  
MAX ADI.............26.  
INVERSION END.......0900.  
 
TIME (EDT) 6 AM 10 AM 2 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............66 77 86  
RH..............97 67 46  
20 FT WIND......NE 4 NE 6G10 NE 7G10  
MIX HGT (FT)....500 1900 4900  
TRANSPORT WIND..NE 6 NE 8 NE 8  
LVORI...........7 5 2  
ADI.............4 12 26  
 

 
FORECASTER...WFO CHS  
REQUESTED BY...KELLY WETZEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1713669.0/CHS  
.EMAIL KWETZELWILSON@FS.FED.US  
 
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