624
FNUS72 KCHS 261847
FWSCHS
SPOT FORECAST FOR FMF C73 PLANNING...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
247 PM EDT TUE MAY 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
AT THE BURN SITE: PERSISTENT LIGHT S TO SW WINDS EXPECTED TONIGHT, BECOMING
BREEZY WEDNESDAY, WITH FOG UNLIKELY AND MODERATE TO GOOD DISPERSION
EARLY WEDNESDAY MORNING. THE SEA-BREEZE WILL LIKELY BE POORLY DEFINED
WEDNESDAY GIVEN THE PERSISTENTLY S/SW WINDS. MAINLY DRY CONDITIONS AT
THE BURN SITE WEDNESDAY MORNING, STORMS MOST LIKELY INITIATING VERY NEAR
OR OVER THE BURN SITE MIDDAY.
LIGHTER WINDS AND LESS VENTILATION EXPECTED WEDNESDAY NIGHT INTO THURSDAY
MORNING, WITH THE THREAT FOR FOG REMAINING LOW.
BIG PICTURE: WARM AND MOIST AIR MASS WILL REMAIN ACROSS THE REGION THROUGH
MUCH OF THIS WEEK. THIS ENVIRONMENT WILL SUPPORT ROUNDS OF
SHOWERS AND THUNDERSTORMS, PRIMARILY DURING THE AFTERNOON AND
EVENING HOURS ALONG THE SEA BREEZE. A COLD FRONT COULD PUSH INTO
THE AREA FRIDAY MORNING, REMAINING GENERALLY STATIONARY THROUGH
THE WEEKEND, CONTINUING HIGH-END RAIN CHANCES.
DISCUSSION
A WARM AND MOIST AIR MASS WILL REMAIN ACROSS THE REGION THROUGH
MUCH OF THIS WEEK. THIS ENVIRONMENT WILL SUPPORT ROUNDS OF
SHOWERS AND THUNDERSTORMS, PRIMARILY DURING THE AFTERNOON AND
EVENING HOURS ALONG THE SEA BREEZE. A COLD FRONT COULD PUSH INTO
THE AREA FRIDAY MORNING, REMAINING GENERALLY STATIONARY THROUGH
THE WEEKEND, CONTINUING HIGH-END RAIN CHANCES.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE MORNING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 3900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 16 MPH.
MAX ADI.............61.
INVERSION END.......0900
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 54 51 55 71 72 67 65
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).20 20 30 30 60 60 30 40
TEMP............83 84 86 87 87 87 88 86
RH..............77 74 70 68 65 65 63 68
20 FT WIND DIR..SW SW SW SW SW W SW S
20 FT WIND SPD..4 4 4 4 4 4 3 3
20 FT WIND GUST.11 13 13 13 13 13 11 11
MIX HGT (KFT)...2.8 3.3 3.6 3.7 3.9 3.4 3.2 2.4
TRANSP WIND DIR.SW SW SW SW SW SW SW SW
TRANSP WIND SPD.16 16 14 14 14 12 12 12
LVORI...........3 3 3 1 1 1 1 3
ADI.............49 54 53 61 59 52 47 35
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE EVENING.
MAX LVORI...........7.
MIN ADI.............1.
INVERSION BEGIN.....2000
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........70 74 68 60
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 10 0 0
TEMP............85 80 77 75
RH..............70 77 82 84
20 FT WIND......SW 3G11 S 2G11 SW 2G11 SW 2G11
MIX HGT (FT)....2200 600 500 500
TRANSPORT WIND..SW 8 SW 2 SW 2 SW 2
LVORI...........4 4 6 6
ADI.............1 1 1 1
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 6300 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 12 TO 14 MPH IN THE
LATE MORNING AND AFTERNOON.
MAX ADI.............95.
INVERSION END.......0900
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........39 21 46 73
WEATHER TYPE....NONE NONE NONE RNSHWR
TSTM COV........ CHANCE
CHC OF PCPN (%).0 10 10 60
TEMP............72 77 88 91
RH..............87 87 61 54
20 FT WIND......SW 2G9 W 3G11 W 4G13 W 3G11
MIX HGT (FT)....500 1800 4500 5200
TRANSPORT WIND..SW 2 W 12 W 14 W 12
LVORI...........6 4 1 1
ADI.............2 26 73 82
FORECASTER...BARNES
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2614465.0/CHS
.DELDT 05/26/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page