Suppression Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
356
FNUS72 KCHS 280931
FWSCHS
Spot Forecast for Washo South RX...TNC
National Weather Service Charleston SC
531 AM EDT Sat Jun 28 2025
Forecast is based on ignition time of 0600 EDT on June 28.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
High pressure will extend across the region through early next
week. A sea breeze will push inland between 11 AM - 1 PM this
afternoon with showers and thunderstorms initiating along the
boundary. The overall chances of a thunderstorm are around 30
percent, however where the prescribed burn is located is an area
that is favored for afternoon convection when a sea breeze
moves inland.
Mixing heights are also forecast to max out in the 4000 to 4500 ft
AGL before starting to drop behind the sea breeze between 11 AM and
1 PM.
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 89.
Min humidity........Around 60 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing Height.......Max 4000 - 4500 ft AGL.
Transport winds.....Light winds becoming southwest 6 to 10 mph in
the late morning and afternoon.
Max ADI.............37.
Inversion End.......0900
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16 23 22 29 35 22 27 29 38 35 27 17
Weather type.... RW RW RW
Tstm cov........ SCH SCH SCH
Chc of pcpn (%).0 0 0 0 10 10 10 10 20 20 20 10
Temp............75 74 78 83 85 88 88 89 88 88 88 87
RH..............94 100 91 80 72 63 63 61 66 63 63 65
20 FT wind dir..SW SW SW SW SW S S S S S S S
20 FT wind spd..2 2 2 2 2 3 4 5 5 6 6 6
20 FT wind gust.5 5 5 5 5 7 7 9 11 11 13 13
Mix hgt (kft)...0.5 0.5 0.5 2.2 3.5 4.0 3.5 3.0 2.9 2.9 2.7 2.5
Transp wind dir.SW SW SW SW SW SW S S S S S S
Transp wind spd.2 2 2 6 6 6 8 8 8 10 10 10
LVORI...........6 10 7 3 3 2 2 2 3 1 1 3
ADI.............3 2 2 19 20 23 28 29 32 33 34 37
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of pcpn......10 percent.
Min temperature.....Around 74.
Max humidity........100 percent.
Wind (20 ft)........South winds 5 to 6 mph early in the evening
becoming light.
Max LVORI...........10.
Min ADI.............1.
Inversion Begin.....1800
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........12 13 10 6 9 8
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).10 10 10 10 10 10
Temp............86 81 79 77 76 75
RH..............70 82 91 97 97 100
20 ft wind......S 6 S 5 SW 3 SW 3 SW 2 SW 2
20 ft wind gust.13 11 11 9 9 7
Mix hgt (ft)....1900 500 500 600 500 500
Transport wind..S 10 S 10 SW 4 SW 4 SW 4 SW 4
LVORI...........4 5 7 8 8 10
ADI.............1 3 2 2 2 2
.SUNDAY...
Sky/weather.........Sunny. Chance of showers and thunderstorms late
in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 91.
Min humidity........Around 60 percent.
Wind (20 ft)........Light winds becoming south 5 to 9 mph in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing Height.......Max 3000 - 3500 ft AGL.
Transport winds.....Light winds becoming south 8 to 12 mph in the
afternoon.
Max ADI.............41.
Inversion End.......0900
TIME (EDT) 6 AM 9 AM NOON 3 PM
Sky (%).........9 2 15 23
Weather type....NONE NONE NONE RNSHWR
Tstm cov........ CHANCE
Chc of pcpn (%).10 10 10 30
Temp............74 81 89 89
RH..............100 88 64 64
20 FT wind......W 2G5 W 2G5 S 4G9 S 9G14
Mix hgt (ft)....500 1600 3200 2900
Transport wind..W 4 SW 4 S 8 S 12
LVORI...........9 5 2 1
ADI.............3 12 22 41
$$
Forecaster...Haines
Requested by...Chelsea MacKenzie
Type of request...PRESCRIBED
.TAG 2516742.2/CHS
.DELDT 06/28/25
.FormatterVersion 2.0.0
.EMAIL c.f.mackenzie@tnc.org