819  
FNUS72 KCHS 281023  
FWSCHS  
 
SPOT FORECAST FOR FM C204...USFS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
623 AM EDT FRI APR 28 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
BROAD HIGH PRESSURE WILL REMAIN OVER THE REGION THROUGH THIS  
WEEKEND. A COLD FRONT WILL MOVE THROUGH MONDAY NIGHT, THEN A  
STRONGER STORM SYSTEM WILL AFFECT THE AREA MID TO LATE WEEK.  
 
FOG POTENTIAL FOR TONIGHT: LOW  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........65 PERCENT.  
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH.  
MIXING HEIGHT.......MAX 2200 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 14 MPH.  
MAX ADI.............27.  
INVERSION END.......0930  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC PC PC PC MCR MCR MCR  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 10 10  
TEMP............77 80 81 82 83 84 84 83  
RH..............82 74 72 69 67 65 65 67  
20 FT WIND DIR..S S S S S S S S  
20 FT WIND SPD..7 9 9 10 11 12 12 12  
20 FT WIND GUST.10 12 16 18 20 21 20 20  
MIX HGT (KFT)...1.1 1.5 1.7 2.0 2.2 2.2 2.2 2.2  
TRANSP WIND DIR.S S S S S S S S  
TRANSP WIND SPD.10 10 12 12 12 14 14 14  
LVORI...........7 6 5 4 3 3 3 4  
ADI.............13 16 20 23 27 24 21 18  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 72.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH.  
MAX LVORI...........6.  
MIN ADI.............6.  
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 (%).10 10 10  
TEMP............82 76 74  
RH..............69 87 93  
20 FT WIND......S 11G20 S 8G12 S 8G12  
MIX HGT (FT)....1700 700 400  
TRANSPORT WIND..S 14 S 10 S 10  
LVORI...........4 5 6  
ADI.............14 8 7  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........61 PERCENT.  
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH.  
MIXING HEIGHT.......MAX 2600 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH.  
MAX ADI.............30.  
INVERSION END.......0930  
 
TIME (EDT) 6 AM 10 AM 2 PM  
SKY COVER.......PCLDY PCLDY PCLDY  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 10  
TEMP............72 80 85  
RH..............97 74 61  
20 FT WIND......S 5G6 S 8G12 S 10G18  
MIX HGT (FT)....500 1600 2600  
TRANSPORT WIND..S 6 S 12 S 12  
LVORI...........5 4 1  
ADI.............6 14 30  
 

 
FORECASTER...DIXON  
REQUESTED BY...KELLY WETZEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1707925.0/CHS  
.EMAIL KWETZELWILSON@FS.FED.US  
 
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