FNUS72 KCHS 210724 FWSCHS Spot Forecast for NS-21/08...USAF National Weather Service Charleston SC 324 AM EDT Sat Mar 21 2026 Forecast is based on ignition time of 0900 EDT on March 21. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... The burn site will remain between high pressure centered over the Gulf and a broad area of low pressure over western North Carolina. This pattern will support steady west winds across the burn site today. A sprinkle or light shower may reach the South Carolina Lowcountry this evening before dissipating. Transport winds and mixing heights will decrease tonight, yielding poor dispersion. The risk of fog tonight is low. .REST OF TODAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....Around 85. Min humidity........40 percent. Wind (20 ft)........West winds 5 to 6 mph. Mixing Height.......Max 5800 ft AGL. Transport winds.....West 12 to 14 mph. Max ADI.............90. Inversion End.......1000 TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........13 20 18 12 9 8 7 15 23 Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Temp............58 64 71 75 79 82 83 84 84 RH..............62 54 46 45 42 40 40 40 40 20 FT wind dir..W W W W W W W W W 20 FT wind spd..5 6 6 6 6 5 6 6 5 20 FT wind gust.13 13 13 13 13 11 11 11 11 Mix hgt (kft)...0.8 1.3 1.6 2.1 2.7 3.8 4.8 5.8 5.5 Transp wind dir.W W W W W W W W W Transp wind spd.12 12 12 14 14 14 14 14 14 LVORI...........3 2 1 1 1 1 1 1 1 ADI.............7 24 31 41 47 58 71 90 86 .TONIGHT... Sky/weather.........Partly cloudy. Chance of pcpn......10 percent. Min temperature.....Around 62. Max humidity........78 percent. Wind (20 ft)........Light winds. Max LVORI...........4. Min ADI.............1. Inversion Begin.....1900 TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........33 40 33 30 32 10 Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 10 10 10 0 0 Temp............82 77 70 68 66 64 RH..............43 52 63 65 70 75 20 ft wind......W 4 SW 3 SW 3 W 3 W 3 W 3 20 ft wind gust.9 7 7 7 9 9 Mix hgt (ft)....3600 400 400 400 400 400 Transport wind..SW 6 SW 6 SW 4 W 4 W 4 SW 4 LVORI...........2 2 3 3 3 4 ADI.............1 2 2 2 2 2 .SUNDAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....Around 87. Min humidity........39 percent. Wind (20 ft)........Light winds becoming southwest 5 to 8 mph in the late morning and afternoon. Mixing Height.......Max 4600 ft AGL. Transport winds.....Light winds becoming west 10 to 18 mph in the late morning and afternoon. Max ADI.............98. Inversion End.......1000 TIME (EDT) 6 AM 9 AM NOON 3 PM Sky (%).........14 0 1 3 Weather type....NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 Temp............62 65 81 87 RH..............78 73 49 40 20 FT wind......W 3G9 W 4G9 W 6G11 SW 7G14 Mix hgt (ft)....500 900 2700 4500 Transport wind..W 4 W 10 W 16 SW 18 LVORI...........4 3 1 1 ADI.............4 5 50 98 $$ Forecaster...Dixon Requested by...Zach Brown Type of request...PRESCRIBED .TAG 2606922.0/CHS .DELDT 03/21/26 .FormatterVersion 2.0.0 .EMAIL zachary_brown@fws.gov