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Allegany County, Maryland severe weather history spans 468 recorded events between 1956 and 2025. The dominant hazard is thunderstorm wind, accounting for 52.6% of all recorded events. It ranks #987 nationally and #13 in Maryland.
468
Recorded events
0
Direct deaths
11
Direct injuries
$17.6M
Property damage
The record
What the Allegany County, Maryland severe weather history record shows
Across the archive, Allegany County, Maryland severe weather history averages 6.8 recorded events a year. The busiest stretch on record is the 2010s, with 179 events logged in that decade alone. Roughly 24 events fall before 1990 and 444 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The costliest is flash flood, with $10.3M in reported property damage. In total, 9 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Allegany County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 246 | 0 | $1.7M | 70 | 1956–2025 |
| Hail | 86 | 0 | $42K | 2.75 | 1960–2025 |
| Flash Flood | 61 | 0 | $10.3M | 0 | 1996–2025 |
| Flood | 48 | 0 | $206K | 0 | 2006–2025 |
| Tornado | 10 | 0 | $5.3M | F4 | 1969–2012 |
| Heavy Rain | 7 | 0 | $0 | 0 | 2000–2005 |
| Lightning | 4 | 0 | $65K | 0 | 1999–2002 |
| Strong Wind | 3 | 0 | $29K | 0 | 1997–2000 |
| Wildfire | 3 | 0 | $0 | 0 | 2001–2002 |
Decade by decade
Allegany County, Maryland severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
11 mapped tornado paths intersect this county: 7 touched down inside it and 4 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1998-06-02 | EF4 | 0 | 5 | 36.5 mi | Crossed in |
| 1969-07-05 | EF2 | 0 | 1 | 0.5 mi | Touched down here |
| 2012-06-01 | EF1 | 0 | 0 | 1.1 mi | Touched down here |
| 1998-06-02 | EF1 | 0 | 0 | 1.0 mi | Crossed in |
| 1973-06-28 | EF1 | 0 | 0 | 3.6 mi | Crossed in |
| 2011-04-27 | EF0 | 0 | 0 | 0.6 mi | Touched down here |
| 2011-04-27 | EF0 | 0 | 0 | 0.6 mi | Touched down here |
| 2009-07-29 | EF0 | 0 | 0 | 0.8 mi | Touched down here |
| 2009-07-29 | EF0 | 0 | 0 | 5.3 mi | Touched down here |
| 1998-06-02 | EF0 | 0 | 0 | 0.5 mi | Touched down here |
Significant events
Deadliest events on record in Allegany County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 3, 1998 | Tornado | FROSTBURG | 0 | 5 | $5.0M |
| Apr 20, 2025 | Thunderstorm Wind | MIDLOTHIAN | 0 | 4 | $500K |
| Jun 25, 2000 | Lightning | LITTLE ORLEANS | 0 | 1 | $0 |
| Jul 5, 1969 | Tornado | 0 | 1 | $250K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Allegany County 911 Call Center took over 100 calls for trees, wires, and poles down across the northern part of the county, particularly in Midlothian, Mount Savage, Barrelville, Corriganville, Little Orleans and Bellegrove. Four people were injured by a falling tree. Roof damage was reported to homes in Frostburg, and shingle damage was reported in Cumberland. Spotters across the county reported it was the worst wind they had seen from a thunderstorm since the derecho in 2012, with multiple trees and large tree limbs down on spotters' properties.
The water level along the Wills Creek in Cumberland rose above major flood stage, cresting at 14.10 feet at 7:15 PM on the first of September. Several businesses at Motor City and outside the levee protection north of Cumberland were flooded along with at least a couple homes in Locust Grove. Water approached low spots on Route 36, possibly affecting one lane.
A small tornado uprooted dozens of trees at the National Arboretum, just west of the Anacostia River. No personal property damage was reported. Immediately east, a large oak was uprooted, and several tree tops were snapped off.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
67,452
Population (ACS)
$155K
Median home value
17
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Mar 26, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Mar 4, 2016 | Snowstorm | SEVERE WINTER STORM AND SNOWSTORM | DR |
| Nov 20, 2012 | Hurricane | HURRICANE SANDY | DR |
| Oct 28, 2012 | Hurricane | HURRICANE SANDY | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Allegany County, Maryland?
468 events are on record between 1956 and 2025, causing 0 direct deaths and $17.6M in property damage.
What is the most common severe weather hazard in Allegany County?
Thunderstorm Wind, with 246 recorded events — 52.6% of everything in the archive for this county.
How many tornadoes have crossed Allegany County?
11 mapped tornado paths intersect the county boundary; 7 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Allegany County?
17 federal disaster declarations from FEMA include Allegany County, each tied to a specific incident period.
How risky is Allegany County compared with the rest of the country?
FEMA's National Risk Index rates Allegany County as relatively low risk, placing it in the 59 percentile of its state for expected annual loss.
Where does the Allegany County, Maryland severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Anne Arundel County 946
- Baltimore County 1,320
- Calvert County 447
- Caroline County 265
- Carroll County 684
- Cecil County 534
Cite this page
“Allegany County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/allegany-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.