Carroll County, Maryland severe weather history spans 684 recorded events between 1965 and 2026. The dominant hazard is thunderstorm wind, accounting for 60.8% of all recorded events. It ranks #423 nationally and #7 in Maryland.
684
Recorded events
3
Direct deaths
34
Direct injuries
$61.7M
Property damage
The record
What the Carroll County, Maryland severe weather history record shows
Across the archive, Carroll County, Maryland severe weather history averages 11.2 recorded events a year. The busiest stretch on record is the 2010s, with 225 events logged in that decade alone. Roughly 45 events fall before 1990 and 639 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Carroll County, Maryland record is thunderstorm wind, responsible for 2 direct deaths. The costliest is thunderstorm wind, with $39.0M 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 Carroll County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 416 | 2 | $39.0M | 78 | 1965–2026 |
| Flood | 73 | 0 | $5K | 0 | 2006–2024 |
| Hail | 71 | 0 | $68K | 2.5 | 1969–2025 |
| Flash Flood | 68 | 1 | $1.8M | 0 | 1996–2025 |
| Tornado | 27 | 0 | $20.5M | F3 | 1969–2026 |
| Lightning | 14 | 0 | $380K | 0 | 1996–2021 |
| Heavy Rain | 11 | 0 | $0 | 0 | 2000–2003 |
| Funnel Cloud | 3 | 0 | $0 | 0 | 2021–2022 |
| Winter Weather | 1 | 0 | $0 | 0 | 2000–2000 |
Decade by decade
Carroll County, Maryland severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
27 mapped tornado paths intersect this county: 21 touched down inside it and 6 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1996-07-19 | EF3 | 0 | 3 | 2.2 mi | Touched down here |
| 1983-05-22 | EF3 | 0 | 0 | 2.0 mi | Crossed in |
| 2024-06-05 | EF2 | 0 | 0 | 4.4 mi | Touched down here |
| 2024-06-05 | EF2 | 0 | 0 | 4.4 mi | Touched down here |
| 2018-11-02 | EF2 | 0 | 0 | 5.5 mi | Crossed in |
| 1979-05-23 | EF2 | 0 | 0 | 2.0 mi | Touched down here |
| 1978-08-28 | EF2 | 0 | 0 | 20.0 mi | Crossed in |
| 2020-02-07 | EF1 | 0 | 0 | 10.3 mi | Touched down here |
| 2020-04-13 | EF1 | 0 | 0 | 0.4 mi | Touched down here |
| 2012-06-01 | EF1 | 0 | 0 | 2.1 mi | Crossed in |
Significant events
Deadliest events on record in Carroll County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 8, 2014 | Thunderstorm Wind | ALESIA | 1 | 8 | $0 |
| Jul 31, 2025 | Flash Flood | MT AIRY | 1 | 0 | $0 |
| Jul 22, 2019 | Thunderstorm Wind | CEDARHURST | 1 | 0 | $0 |
| Jul 9, 2002 | Thunderstorm Wind | WINFIELD | 0 | 10 | $5K |
| Jul 28, 2006 | Lightning | MT AIRY | 0 | 5 | $0 |
| Jul 19, 1996 | Tornado | GAMBER | 0 | 3 | $5.0M |
| Aug 7, 2023 | Thunderstorm Wind | CRANBERRY STATION | 0 | 2 | $20.0M |
| Aug 7, 2023 | Thunderstorm Wind | GREENMOUNT | 0 | 1 | $250K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A couple of large trees were uprooted and a few 10-inch diameter trees were snapped off of Bloom Road. Numerous large trees were blown down in the vicinity of the intersection of Old Kays Mill Road and Deer Park Road, some onto houses. Half a dozen homes in the area had shingles blown off and a barn lost its roof on Black Steer Drive. One fatality occurred when a tree fell onto a man in the 2900 block of Bloom Road in Finksburg.
Thousands of trees, branches and wires blew down near and north of Westminster. 30 utility poles snapped along MD-97/MD-140 Baltimore Boulevard near Gorsuch Road, with live wires trapping several people in their vehicles for a few hours; two people were injured. Dozens of roads in the area were blocked by storm debris for several days. Several homes suffered minor roof, shingle and siding damage. Several barns were destroyed.
Hundreds of trees, branches and wires blew down and snapped around Manchester and Hampstead, including many onto cars and houses. Dozens of roads were blocked by storm debris for several days. Several homes suffered minor roof, shingle and siding damage. Several barns were destroyed. Numerous trees blew down near the intersection of White Oak Court and Ebbvale Road. Power poles blew down into trees near the intersection of Ralph Dell Road and Cape Horn Road.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
175,321
Population (ACS)
$434K
Median home value
19
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 |
| Apr 10, 2014 | Severe Storm | SNOWSTORM | DR |
| Nov 20, 2012 | Hurricane | HURRICANE SANDY | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Carroll County, Maryland?
684 events are on record between 1965 and 2026, causing 3 direct deaths and $61.7M in property damage.
What is the most common severe weather hazard in Carroll County?
Thunderstorm Wind, with 416 recorded events — 60.8% of everything in the archive for this county.
How many tornadoes have crossed Carroll County?
27 mapped tornado paths intersect the county boundary; 21 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Carroll County?
19 federal disaster declarations from FEMA include Carroll County, each tied to a specific incident period.
How risky is Carroll County compared with the rest of the country?
FEMA's National Risk Index rates Carroll County as relatively low risk, placing it in the 60 percentile of its state for expected annual loss.
Where does the Carroll 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
- Caroline County 265
- Cecil County 534
- Calvert County 447
- Charles County 682
- Dorchester County 264
- Baltimore County 1,320
Cite this page
“Carroll County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/carroll-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.