117
Recorded events
0
Direct deaths
4
Direct injuries
$4.0M
Property damage
Flash Flood in Prince George's County, Maryland: 117 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #128 nationally and #4 statewide for this hazard.
Decade by decade
Flash Flood in Prince George's County, Maryland: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Prince George's County is the 2010s, when 53 of the county's 117 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 Prince George's County archive, flash flood makes up 12.2% of all recorded severe weather across 9 hazard types. Nationally the county sits at #128 for this hazard and #4 within Maryland, putting it in the 95.8 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Prince George's County with 31 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
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 1, 2012 | RIVERDALE | 0 | 0 | 3 | $0 |
| Sep 16, 1999 | COUNTYWIDE | 0 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 31, 2025 | GREENBELT | 0 | $0 |
| Jul 31, 2025 | BERWYN HGTS | 0 | $0 |
| Jul 31, 2025 | BERWYN HGTS | 0 | $0 |
| Jul 14, 2025 | LAUREL | 0 | $0 |
| Jul 13, 2025 | RIVERDALE | 0 | $0 |
| Jul 10, 2025 | BRENTWOOD | 0 | $0 |
| Aug 14, 2023 | ARDMORE | 0 | $0 |
| Aug 14, 2023 | ALEXANDRIA JCT | 0 | $0 |
| Jul 1, 2023 | CHELTENHAM | 0 | $0 |
| Aug 10, 2022 | GLEN DALE | 0 | $0 |
Other hazards here
More from Prince George's County
- Thunderstorm Wind 563
- Hail 105
- Flood 99
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Six people in several cars were stranded when they drove through a stream that had backed up in the 10800 block of Lanham-Severn Road in Glen Dale. Numerous road closures and water rescues were reported near Brandywine. In Hyattsville, 15 homes were evacuated due to flash flooding. Water rescue teams helped 46 adults and 23 children. In Edmonston, 34 homes flooded and 60 people were rescued due to flash flooding. There were reports of nearly 5 feet of water in basements. Numerous basements were flooded when the Anacostia River overflowed its banks. Standing water was reported on High Bridge Road in Bowie. Governors Bridge Road at the Anne Arundel County line was closed due to high water.
Residents in northern Laurel were evacuated when Rocky Gorge Dam opened floodgates around 730 PM. Residents were allowed to return around 10 AM the next morning. Several roads were flooded and closed due to the flooding at Rocky Gorge Dam.
The water level along the Northeast Branch of the Anacostia River in Riverdale rapidly rose above flood stage and it crested at 10.9 feet at 2:15 PM EST. The northeast branch trail was flooded in spots. The water level remained above flood stage until 3:30 PM EST.
Quick answers
Frequently asked
How many flash flood events are on record in Prince George's County, Maryland?
117 flash flood events are recorded in Prince George's County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Prince George's County?
The strongest flash flood on record in Prince George's County measured 0.
Where does the flash flood data for Prince George's 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 Prince George’s County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/prince-georges-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.