166  
FNUS72 KCHS 100851  
FWSCHS  
 
SPOT FORECAST FOR WASHO NORTH RX...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE CHARLESTON SC  
451 AM EDT FRI APR 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
   
DISCUSSION  
 
HIGH PRESSURE WILL DOMINATE OVER THE BURN SITE TODAY, YIELDING  
DRY CONDITIONS. NE WINDS AROUND 5 MPH THIS MORNING WILL TURN TO  
THE E AS EARLY AS 1 PM WITH THE INLAND PROGRESSION OF THE SEA  
BREEZE. GUSTS THIS AFTERNOON COULD REACH AS HIGH AS 15 MPH AFTER  
THE SEA BREEZE MOVES THROUGH.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE  
EAST LATE IN THE AFTERNOON.  
MIXING HEIGHT.......MAX 3700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.  
MAX ADI.............45.  
INVERSION END.......0900.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 1 1 0 1 1 1 1 0  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............59 65 69 71 73 74 73 73 73  
RH..............78 65 57 53 48 46 46 46 48  
20 FT WIND DIR..NE NE NE NE NE E E E E  
20 FT WIND SPD..5 5 5 5 5 5 5 5 5  
20 FT WIND GUST.13 13 13 13 13 13 11 11 11  
MIX HGT (KFT)...1.1 1.7 2.5 3.2 3.6 3.7 3.6 3.2 2.5  
TRANSP WIND DIR.NE NE NE NE NE NE E E E  
TRANSP WIND SPD.12 12 12 10 10 10 8 8 8  
LVORI...........4 3 1 1 1 1 1 1 2  
ADI.............16 26 39 45 45 41 35 31 25  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MAX LVORI...........10.  
MIN ADI.............1.  
INVERSION BEGIN.....1900.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........0 4 1 4 20 31  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............71 65 59 58 57 54  
RH..............51 70 90 96 96 100  
20 FT WIND......E 3 SE 2 SE 1 N 0 N 0 N 0  
20 FT WIND GUST.9 7 5 4 2 4  
MIX HGT (FT)....1600 400 400 400 400 400  
TRANSPORT WIND..SE 4 SE 4 E 2 N 0 N 0 N 0  
LVORI...........2 4 7 9 9 10  
ADI.............1 1 1 1 1 1  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......MAX 3200 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 6 MPH  
LATE IN THE AFTERNOON.  
MAX ADI.............19.  
INVERSION END.......1100.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........37 22 23 9  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
TEMP............52 59 76 79  
RH..............100 90 48 42  
20 FT WIND......N 0G4 NW 1G5 W 1G5 S 4G9  
MIX HGT (FT)....300 600 2500 2600  
TRANSPORT WIND..N 2 NW 4 N 4 SE 6  
LVORI...........10 7 2 2  
ADI.............1 1 19 15  
 
 
FORECASTER...MASKELL  
REQUESTED BY...CHELSEA MACKENZIE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609834.0/CHS  
.DELDT 04/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL C.F.MACKENZIE@TNC.ORG  
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