Heavy Rain — Charleston, South Carolina

2010-08-13 · near Deer Park, Charleston, South Carolina

Event narrative

Local media reported a 73 year old woman drowned after she drove off a parking lot into a retention pond. Witnesses say she could not see the sharp drop-off from the parking lot to the retention pond due to heavy rain at the time. The woman was transported to Roper Hospital where she was pronounced dead due to drowning.

Wider weather episode

A hot and humid air mass created surface based CAPE values near 4500 J/kg and lifted indices near -8 during peak heating hours. Thunderstorms initiated during the evening hours as a stationary front just to the north of the county warning area interacted with a sea breeze. Numerous outflow boundaries from initial thunderstorm activity produced additional thunderstorms through the early overnight hours. Some thunderstorms produced damaging winds and heavy rainfall.

View location on OpenStreetMap → (32.9502, -80.0401)

Source: NOAA Storm Events Database, event_id 252466. Narrative written by the NWS forecast office that issued the report.