Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Anne Arundel County, Maryland

85

Recorded events

0

Direct deaths

0

Direct injuries

$5.7M

Property damage

Flash Flood in Anne Arundel County, Maryland: 85 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #239 nationally and #7 statewide for this hazard.

Decade by decade

Flash Flood in Anne Arundel County, Maryland: events per decade

Flash Flood in Anne Arundel County, Maryland: recorded events per decade
Flash Flood in Anne Arundel County, Maryland: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Anne Arundel County is the 2010s, when 46 of the county's 85 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Anne Arundel County archive, flash flood makes up 9.0% of all recorded severe weather across 10 hazard types. Nationally the county sits at #239 for this hazard and #7 within Maryland, putting it in the 92.3 percentile of all U.S. counties.

Seasonality

Events by month

1Jan
1Feb
2Mar
3Apr
1May
9Jun
19Jul
30Aug
14Sep
3Oct
1Nov
1Dec

Aug is the peak month for flash flood in Anne Arundel County with 30 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 1, 2025NORTH LINTHICUM0$0
Jul 17, 2022RIVA0$0
Jul 17, 2022RIVA0$0
Jul 16, 2022CROWNSVILLE0$0
Jul 16, 2022CONAWAYS0$0
Jul 16, 2022CROFTON0$0
Aug 12, 2020GARLAND0$0
Aug 12, 2020GLEN BURNIE0$0
Jul 17, 2018GLEN BURNIE0$0
Jul 17, 2018NORTH LINTHICUM0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Anne Arundel County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Anne Arundel County, Maryland?

85 flash flood events are recorded in Anne Arundel County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Anne Arundel County?

The strongest flash flood on record in Anne Arundel County measured 0.

Where does the flash flood data for Anne Arundel County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Flash Flood in Anne Arundel County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/anne-arundel-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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