FloodZoneMap.org

Flood — Baltimore, MD

Jul 24, 2018

Following the passage of a coastal low, bands of moisture continued to pull northward across the same areas that had already experienced heavy rain. Heavy rainfall fell in some areas, especially in Baltimore and Carroll Counties, with widespread flooding and flash flooding throughout the period.

Source: NOAA National Weather Service Storm Events Database (event 781501). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Baltimore, MD

This event is one of many recorded floods in Baltimore County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Baltimore County flood data →

More Flood Stories

Tropical Storm1 death$155.0M damage

Northern Baltimore, MD · Sep 18, 2003

On September 18, 2003, Hurricane Isabel made landfall on the North Carolina Coast. Its huge wind field was already piling water up into the southern Chesapeake Bay. By the time Isabel moved into central Virginia, it had weakened and was downgraded to a tropical storm.

Read the full account →
Flash Flood$500K damage

Baltimore, MD · Sep 12, 2023

A slow moving cold front moved into the area during the evening of the 12th into the overnight and early morning hours of the 13th. Moisture pooling ahead of the cold front caused instability to increase in addition to added atmospheric moisture.

Read the full account →
Flash Flood$8.6M damage

Baltimore, MD · May 27, 2018

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.

Read the full account →
Tropical Storm$252.0M damage

Southern Baltimore, MD · Sep 18, 2003

On September 18, 2003, Hurricane Isabel made landfall on the North Carolina Coast. Its huge wind field was already piling water up into the southern Chesapeake Bay. By the time Isabel moved into central Virginia, it had weakened and was downgraded to a tropical storm.

Read the full account →