Flash Flood — Baltimore City (c), Maryland

2018-05-27 · near Catonsville, Baltimore City (c), Maryland

$3.0M

Property damage

Event narrative

Several roads flooded in Baltimore City. More than 20 people were rescued from vehicle rooftops during heavy rains. Six people were displaced from their homes, and Frederick Avenue was damaged in the Beechfield neighborhood.

Wider weather episode

A cold front sagged into Maryland during the afternoon of May 27th. Heavy rain trained to the northeast of Baltimore early in the afternoon, causing flash flooding. Then, later in the afternoon, the line completely stalled just west of Baltimore, producing 6-12 inches of rain in a very short period of time. Catastrophic flash flooding occurred in the Ellicott City and Catonsville areas, with significant flooding also observed in other nearby areas. Stream flooding continued through the next morning.

View location on OpenStreetMap → (39.3012, -76.7100)

Source: NOAA Storm Events Database, event_id 760921. Narrative written by the NWS forecast office that issued the report.