463 
WGUS82 KCHS 112017
FLSCHS

Flood Advisory
National Weather Service Charleston SC
417 PM EDT Tue Aug 11 2026

SCC019-029-112315-
/O.NEW.KCHS.FA.Y.0047.260811T2017Z-260811T2315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Charleston SC-Colleton SC-
417 PM EDT Tue Aug 11 2026

...FLOOD ADVISORY IN EFFECT UNTIL 715 PM EDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Charleston County in southeastern South Carolina...
  Colleton County in southeastern South Carolina...

* WHEN...Until 715 PM EDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 415 PM EDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing or expected to begin
    shortly in the advisory area.
  - Thunderstorms have continued to develop across the Edisto Island
    area over the last 60 to 90 minutes. Radar estimates suggest that
    1 to 2 inches of rain has already fallen, with isolated amounts
    up to around 3 inches likely. An additional 1 to 2 inches will be
    possible before the storms dissipate. Minor flooding is possible,
    and could impact Highway 174 across Edisto Island into Edisto
    Beach.
  - Some locations that will experience flooding include...
    Edisto Beach, Seabrook Island, Kiawah Island, Rockville, Edisto
    Island, Edisto Beach State Park and Fenwick.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Report flooding directly to the Charleston National Weather Service
at 1-888-383-2024 or email your reports to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3248 8039 3253 8042 3259 8047 3264 8050
      3267 8045 3266 8039 3263 8034 3260 8027
      3261 8018 3257 8010 3250 8025 3246 8030
      3245 8032 3245 8035 3246 8036 3247 8036
      3246 8037 3247 8039


$$

BSH

277 
WGUS82 KCHS 112218
FLSCHS

Flood Advisory
National Weather Service Charleston SC
618 PM EDT Tue Aug 11 2026

SCC019-029-112228-
/O.CAN.KCHS.FA.Y.0047.000000T0000Z-260811T2315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Charleston SC-Colleton SC-
618 PM EDT Tue Aug 11 2026

...FLOOD ADVISORY IS CANCELLED...

The Flood Advisory is cancelled for a portion of southeast South
Carolina, including the following areas, Charleston and Colleton.

The heavy rain has ended. Flooding is no longer expected to pose a
threat.

&&

LAT...LON 3248 8039 3253 8042 3259 8047 3264 8050
      3267 8045 3266 8039 3263 8034 3260 8027
      3261 8018 3257 8010 3250 8025 3246 8030
      3245 8032 3245 8035 3246 8036 3247 8036
      3246 8037 3247 8039


$$

BSH