Coastal Flood — Northumberland, Virginia

2023-03-13 · Northumberland, Virginia

Event narrative

The combination of light east and southeast winds in the mid to upper Chesapeake Bay and continued long period swell was allowing water to become trapped in the bay. In addition, tidal anomalies were a bit above +2.0 ft in these areas. This caused minor to moderate (tidal) coastal flooding over portions of Northumberland county adjacent to the Potomac River. Lewisetta reached 3.50 feet MLLW at 548 am on Monday, March 13.

Wider weather episode

The combination of light east and southeast winds in the mid to upper Chesapeake Bay and continued long period swell was allowing water to become trapped in the bay. In addition, tidal anomalies were a bit above +2.0 ft in these areas. This caused minor to moderate (tidal) coastal flooding across portions of the Virginia Northern Neck Adjacent to the Potomac River.

Source: NOAA Storm Events Database, event_id 1089031. Narrative written by the NWS forecast office that issued the report.