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South Branch Onancock Creek at Onancock

National Weather Service gauge ONAV2 · Virginia · Accomack County · 37.7111, -75.7545

Flood levels

Official flood levels at this gauge: action stage begins at 4.0 ft; minor flooding begins at 4.5 ft; moderate flooding begins at 5.5 ft; major flooding begins at 6.5 ft.

Action stage4.0 ft
Minor flooding4.5 ft
Moderate flooding5.5 ft
Major flooding6.5 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

4.5 ftMinor flooding beings along Pungoteague Creek and adjacent tidal rivers. The Harborton boat ramp begins to flood.
5.5 ftMartin Road, Evergreen Road and Buckland Way in Smithville are flooded. Some homes are surrounded by water with limited access. In addition, portions of Shore Drive, Dockview Street and Harborton Road, including the parking lot at the Harborton boat ramp, are flooded.
6.3 ftPeak water level during Hurricane Sandy.
6.5 ftShore Drive, Harborton Road and Dockview Street in Harborton are flooded with limited access to homes in the area. Most homes in Smithville are surronded by water and inaccessible.

Forecast office: NWS Wakefield · River Forecast Center: Middle Atlantic River Forecast Center.

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