Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Cecil County, Maryland

56

Recorded events

0

Direct deaths

2

Direct injuries

$5.3M

Property damage

Flash Flood in Cecil County, Maryland: 56 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #519 nationally and #11 statewide for this hazard.

Decade by decade

Flash Flood in Cecil County, Maryland: events per decade

Flash Flood in Cecil County, Maryland: recorded events per decade
Flash Flood in Cecil County, Maryland: recorded events per decade

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

The busiest decade for flash flood in Cecil County is the 2000s, when 24 of the county's 56 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 Cecil County archive, flash flood makes up 10.5% of all recorded severe weather across 9 hazard types. Nationally the county sits at #519 for this hazard and #11 within Maryland, putting it in the 83.0 percentile of all U.S. counties.

Seasonality

Events by month

2Jan
1Feb
1Mar
0Apr
0May
9Jun
16Jul
17Aug
8Sep
1Oct
0Nov
1Dec

Aug is the peak month for flash flood in Cecil County with 17 recorded events, while Apr 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Sep 16, 1999COUNTYWIDE002$3.0M
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 17, 2025CHARLESTOWN0$0
Jul 17, 2025BELVEDERE0$0
Jul 9, 2025FARMINGTON0$0
Jul 9, 2025ELKTON0$0
Jul 2, 2022RISING SUN0$0
Jul 2, 2022CALVERT0$0
Jul 2, 2022BLAKE0$0
Sep 1, 2021CHARLESTOWN0$0
Sep 1, 2021NORTH EAST0$0
Jul 26, 2021PORT DEPOSIT0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Cecil 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 Cecil County, Maryland?

56 flash flood events are recorded in Cecil County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Cecil County?

The strongest flash flood on record in Cecil County measured 0.

Where does the flash flood data for Cecil 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 Cecil County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/cecil-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov