61
Recorded events
0
Direct deaths
0
Direct injuries
$10.3M
Property damage
Flash Flood in Allegany County, Maryland: 61 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #440 nationally and #10 statewide for this hazard.
Decade by decade
Flash Flood in Allegany County, Maryland: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Allegany County is the 2010s, when 25 of the county's 61 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 Allegany County archive, flash flood makes up 13.0% of all recorded severe weather across 9 hazard types. Nationally the county sits at #440 for this hazard and #10 within Maryland, putting it in the 85.3 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Allegany County with 26 recorded events, while Feb 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
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| May 13, 2025 | AMCELLE | 0 | $0 |
| May 13, 2025 | BARTON | 0 | $0 |
| May 13, 2025 | BARTON | 0 | $0 |
| May 13, 2025 | MORRISONS | 0 | $0 |
| May 13, 2025 | MORRISONS | 0 | $0 |
| May 13, 2025 | MOSCOW | 0 | $0 |
| May 13, 2025 | ELLERSLIE | 0 | $0 |
| May 13, 2025 | CORRIGANVILLE | 0 | $0 |
| May 13, 2025 | CRESAPTOWN | 0 | $0 |
| May 13, 2025 | OCEAN | 0 | $0 |
Other hazards here
More from Allegany County
- Thunderstorm Wind 246
- Hail 86
- Flood 48
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Georges Creek crested at 12.41'. This is Major Flood Stage. Numerous buildings and roads in the town of Westernport, and points upstream, were flooded. Water reached both railroad bridges upstream of Westernport, as well as multiple bridges in Westernport. Floodwaters were moving through the city of Westernport, and approaching Westernport Elementary School. Water was also covering Brodie Road between Midland and Lonaconing. Water was flowing over the railroad bridge at downtown Westernport, and reaches the underside of the second railroad bridge which parallels Maryland Route 36.
Quick answers
Frequently asked
How many flash flood events are on record in Allegany County, Maryland?
61 flash flood events are recorded in Allegany County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Allegany County?
The strongest flash flood on record in Allegany County measured 0.
Where does the flash flood data for Allegany 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 Allegany County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/allegany-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.