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Maryland Flood Stories

1,019 first-hand accounts of flood events in Maryland, ranked by impact. Each is a NOAA-written narrative of the moment.

Flash Flood$10K damage

Baltimore, MD · Sep 16, 1999

Hurricane Floyd made landfall just east of Cape Fear, North Carolina in the early morning hours of the 16th and moved north-northeast across extreme southeast Virginia to near Ocean City, Maryland by evening on the 16th.

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Flash Flood$10K damage

Caroline, MD · Jun 17, 2001

Showers and thunderstorms associated with the remnants of Tropical Storm Allison dropped heavy rain across Caroline County during the early morning of the 17th. The heavy rain caused flash flooding of streams as well as damage to crops in the county.

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Flash Flood$10K damage

Prince George's, MD · Aug 12, 2010

A northwest to southeast oriented cold front drifted into the area as an upper level disturbance moved southeast across the region. Thunderstorms initiated along the boundary during the morning, producing torrential downpours northern parts of the Washington metropolitan area.

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Flash Flood$10K damage

Harford, MD · Oct 1, 2010

A corridor of moisture funnelled up the eastern seaboard. Bands of heavy rain began to rapidly move into Maryland just after midnight on Thursday morning, September 30.

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Hurricane (Typhoon)$10K damage

Dorchester, MD · Sep 15, 1999

Hurricane Floyd was a Category 1 hurricane as it crossed the Wakefield WFO county warning area. Tropical storm force wind gusts occurred over the northwest quadrant of the storm over portions of the Lower Maryland Eastern Shore.

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Hurricane (Typhoon)$10K damage

Wicomico, MD · Sep 15, 1999

Hurricane Floyd was a Category 1 hurricane as it crossed the Wakefield WFO county warning area. Tropical storm force wind gusts occurred over the northwest quadrant of the storm over portions of the Lower Maryland Eastern Shore.

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Tropical Storm$10K damage

Maryland Beaches, MD · Sep 6, 2008

Tropical Storm Hanna affected much of the Lower Maryland Eastern Shore during Saturday, September 6th. Storm total rainfall ranged from around one inch to just below three inches.

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Flash Flood

Prince George's, MD · Jul 8, 2015

A cold front was approaching the Mid-Atlantic from the Ohio Valley while low pressure developed along the front to the southwest. Showers and thunderstorms formed ahead of the front in a very moist atmosphere.

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Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

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Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Baltimore, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

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Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Howard, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Prince George's, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flash Flood

Carroll, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flood

Baltimore, MD · Jul 9, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

Read the full account →
Flood

Cecil, MD · Jul 10, 2025

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms.

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Flash Flood$25K damage

Talbot, MD · Aug 26, 2012

The combination of a decaying low pressure system in eastern Virginia and convergence along bay breeze fronts caused thunderstorms with torrential downpours to form on the Eastern Shore.

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Flash Flood

Harford, MD · Jul 6, 2015

A warm front was oriented west to east across northern Maryland. A warm and moist air mass was south of the boundary and led to an unstable environment.

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Flash Flood

Harford, MD · Jul 7, 2015

A warm front was oriented west to east across northern Maryland. A warm and moist air mass was south of the boundary and led to an unstable environment.

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Flash Flood

Howard, MD · Jul 6, 2015

A warm front was oriented west to east across northern Maryland. A warm and moist air mass was south of the boundary and led to an unstable environment.

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Flash Flood

Harford, MD · Jun 13, 1998

A vigorous upper-level disturbance acted upon increasingly warm and humid air near the surface to produce a squall line of strong to severe thunderstorms which traversed central and northeastern Maryland during the afternoon.

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