993  
FNUS72 KCHS 250932  
FWSCHS  
 
SPOT FORECAST FOR C58...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
532 AM EDT THU MAY 25 2023  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LOW PRESSURE SYSTEM WILL DEVELOP OFF THE SOUTH CAROLINA COAST OVER  
THE NEXT FEW DAYS. INITIAL IMPACT WILL BE INCREASING NORTHEAST  
WINDS BEGINNING TODAY AND FURTHER INCREASING FOR FRIDAY AND  
SATURDAY. WITH THE INCREASING WINDS, ANY SEA BREEZE IS NOT LIKELY  
TO PENETRATE VERY FAR INLAND OVER THE NEXT FEW DAYS.  
 
SPOTTY SHOWERS ARE POSSIBLE THIS AFTERNOON AT THE BURN SITE  
ALTHOUGH OVERALL PRECIP CHANCES WILL REMAIN LOW TODAY AND TONIGHT.  
MUCH HIGHER RAINFALL CHANCES COME FRIDAY AND SATURDAY AS THE  
COASTAL LOW APPROACHES THE COAST. TOTAL RAINFALL AMOUNTS OF 1 TO 2  
INCHES ARE EXPECTED FRIDAY AND SATURDAY.  
 
FOG POTENTIAL FOR TONIGHT: LOW  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS LATE IN  
THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 8 TO 10 MPH.  
MIXING HEIGHT.......MAX 3100 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 14 TO 18 MPH.  
MAX ADI.............55.  
INVERSION END.......0900  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........48 57 59 66 64 69 65 65 68  
WEATHER TYPE.... RW RW RW  
TSTM COV........  
CHC OF PCPN (%).0 0 10 10 10 10 20 20 20  
TEMP............64 68 70 71 73 75 74 74 73  
RH..............58 51 47 46 46 46 57 62 64  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..8 9 9 10 10 10 10 10 9  
20 FT WIND GUST.11 11 13 16 16 16 16 16 13  
MIX HGT (KFT)...1.5 2.0 2.2 2.4 3.0 2.9 3.1 3.0 2.6  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.14 14 14 18 18 18 18 18 18  
LVORI...........2 1 1 1 1 1 1 1 1  
ADI.............25 37 45 39 44 41 44 44 55  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
EVENING AND OVERNIGHT, THEN CHANCE OF SHOWERS  
AFTER 3 AM.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........81 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 9 TO 13 MPH. GUSTS UP TO 24 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
MAX LVORI...........4.  
MIN ADI.............1.  
INVERSION BEGIN.....2000  
 
TIME (EDT) 6 PM 10 PM 2 AM  
SKY (%).........75 75 78  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).20 20 20  
TEMP............72 66 63  
RH..............64 75 81  
20 FT WIND......NE 9G13 NE 10G16 NE 11G18  
MIX HGT (FT)....2200 600 900  
TRANSPORT WIND..NE 14 NE 12 NE 14  
LVORI...........3 4 4  
ADI.............1 10 12  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 13 TO 17 MPH WITH GUSTS TO  
AROUND 25 MPH.  
MIXING HEIGHT.......MAX 2700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 18 TO 26 MPH.  
MAX ADI.............60.  
INVERSION END.......0800  
 
TIME (EDT) 6 AM 10 AM 2 PM  
SKY (%).........90 88 89  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).40 40 40  
TEMP............59 63 69  
RH..............80 70 59  
20 FT WIND......NE 13G22 NE 16G23 NE 17G25  
MIX HGT (FT)....800 1700 2700  
TRANSPORT WIND..NE 18 NE 22 NE 24  
LVORI...........4 3 1  
ADI.............16 41 58  
 

 
FORECASTER...ADAM  
REQUESTED BY...KELLY WETZEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2313904.0/CHS  
.DELDT 05/25/23  
.FORMATTERVERSION 2.0.0  
.EMAIL KELLY.WETZELWILSON@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SC Page
The Nexlab GA Page Main Text Page