429  
FNUS72 KCHS 251147  
FWSCHS  
 
SPOT FORECAST FOR C-48...USFS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
747 AM EDT SAT MAR 25 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
ATLANTIC HIGH PRESSURE WILL WEAKEN INTO EARLY NEXT WEEK.  
A WEAK COLD FRONT SHOULD THEN STALL OVER THE AREA DURING THE MIDDLE  
OF NEXT WEEK, THEN SHIFT BACK NORTH AS A WARM FRONT LATE IN THE WEEK.  
 
FOG POTENTIAL FOR TONIGHT: LOW  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........48 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO  
8 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......MAX 4400 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 12 MPH.  
MAX ADI.............29.  
INVERSION END.......0930  
REMARKS...A SEA BREEZE IS EXPECTED TO MOVE INLAND ACROSS THE FIRE  
SITE DURING THE EARLY AFTERNOON.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC MC MC  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 10  
TEMP............62 66 69 72 74 74 74 73  
RH..............78 68 59 53 48 48 50 51  
20 FT WIND DIR..S S S S S S S S  
20 FT WIND SPD..4 5 6 7 7 8 8 8  
20 FT WIND GUST. 6 10 10 10 12 12 12  
MIX HGT (KFT)...2.2 3.2 3.4 3.6 3.8 4.0 4.2 4.4  
TRANSP WIND DIR.S S S S S S S S  
TRANSP WIND SPD.10 10 12 12 12 12 12 12  
LVORI...........7 6 5 3 2 2 2 3  
ADI.............11 15 20 24 29 25 20 16  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 7 MPH EARLY IN THE  
EVENING...BECOMING LIGHT AND VARIABLE.  
MAX LVORI...........6.  
MIN ADI.............3.  
INVERSION BEGIN.....2000  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10  
TEMP............72 67 64 62 60 59  
RH..............53 63 70 75 84 87  
20 FT WIND......S 7 SE 4 SE 3 SE 3 SE 4 SE 3  
20 FT WIND GUST.10 4 4 4  
MIX HGT (FT)....4200 800 800 600 300 300  
TRANSPORT WIND..SE 10 SE 10 SE 4 SE 4 SE 4 SE 4  
LVORI...........3 3 4 4 5 5  
ADI.............12 3 3 3 3 3  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO  
10 MPH WITH GUSTS UP TO 20 MPH IN THE LATE  
MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE.  
MIXING HEIGHT.......MAX 4700 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS...BECOMING SOUTH 8 TO 12 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MAX ADI.............32.  
INVERSION END.......0900  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10  
TEMP............58 62 75 77  
RH..............90 81 54 50  
20 FT WIND......SE 3G4 SE 5G6 S 7G10 S 9G14  
MIX HGT (FT)....300 1300 3700 4300  
TRANSPORT WIND..SE 4 S 8 S 10 SE 12  
LVORI...........6 5 3 1  
ADI.............4 10 23 27  
 

 
FORECASTER...DIXON  
REQUESTED BY...PAUL CHURCHILL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1705182.0/CHS  
.EMAIL PCHURCHILL@FS.FED.US  
 
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