Flash flood warnings issued due to overnight rain

Flash flood warnings issued due to overnight rain
Source: WIS
Source: WIS

COLUMBIA, SC (WIS) - Overnight rain from the remnants of Tropical Depression Irma caused the National Weather Service to issue a Flash Flood Alert Tuesday morning.

The first Flash Flood Warning was issued just before 3 a.m. Tuesday. The warning expired at 4:15 a.m.

WIS News 10 First Alert Meteorologist Tim Miller says the rain is moving out of the Midlands and to the north.

The South Carolina Department of Transportation reported flooding on Interstate 20 near the Kershaw-Lee County line Tuesday morning. The left lane was closed eastbound about mile west of Exit 108.

Rain from what's left of Hurricane Irma passed through the Midlands Monday into Tuesday morning. Heavy downpours started just after 2 a.m. Tuesday. Additional rainfall amounts of one inch are possible in the warned area.

According to the National Weather Service alert:  Excessive runoff from heavy rainfall will cause flooding of the Five Points area extending downstream along Rocky Branch Creek. This includes the areas of Maxcy Gregg Park, areas of USC along the creek, intersection at Pickens and Blossom, intersection at Whaley and Main and areas of the Olympia neighborhood along the creek.

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Preliminary rainfall amounts from Irma are 3.38 inches at Columbia Metropolitan Airport, which is a record for the September 11 date. 3.76 inches of rain were reported in Orangeburg.

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