437
Recorded events
24
Counties affected
9
Direct deaths
$382.8M
Property damage
Maryland tornado history: 437 recorded events across 24 counties between 1950 and 2026.
Decade by decade
Maryland tornado history by decade
The 1990s are the busiest decade on record with 102 reported tornado events across Maryland. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most tornado events in Maryland
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Frederick County | 38 | 0 | $2.8M | 1952–2021 |
| #2 | St. Mary's County | 34 | 0 | $4.6M | 1967–2025 |
| #3 | Baltimore County | 32 | 0 | $53.1M | 1973–2025 |
| #4 | Montgomery County | 28 | 0 | $11.1M | 1952–2024 |
| #5 | Charles County | 28 | 1 | $116.7M | 1973–2022 |
| #6 | Carroll County | 27 | 0 | $20.5M | 1969–2026 |
| #7 | Prince George's County | 26 | 2 | $111.5M | 1953–2022 |
| #8 | Anne Arundel County | 26 | 0 | $8.7M | 1953–2025 |
| #9 | Harford County | 23 | 0 | $7.2M | 1959–2023 |
| #10 | Howard County | 20 | 0 | $7.2M | 1975–2026 |
| #11 | Cecil County | 18 | 0 | $4.4M | 1967–2023 |
| #12 | Calvert County | 18 | 2 | $11.6M | 1978–2020 |
| #13 | Worcester County | 15 | 0 | $550K | 1958–2020 |
| #14 | Washington County | 15 | 0 | $1.6M | 1961–2024 |
| #15 | Dorchester County | 14 | 1 | $5.8M | 1984–2025 |
| #16 | Queen Anne's County | 12 | 0 | $526K | 1965–2020 |
| #17 | Garrett County | 12 | 1 | $4.1M | 1954–2024 |
| #18 | Wicomico County | 11 | 0 | $1.2M | 1962–2020 |
| #19 | Allegany County | 10 | 0 | $5.3M | 1969–2012 |
| #20 | Caroline County | 8 | 0 | $375K | 1952–2026 |
| #21 | Baltimore city | 7 | 2 | $3.0M | 1996–2025 |
| #22 | Somerset County | 6 | 0 | $318K | 1981–2022 |
| #23 | Talbot County | 5 | 0 | $76K | 1967–2000 |
| #24 | Kent County | 4 | 0 | $503K | 1950–1990 |
Significant events
Deadliest tornado events in Maryland
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| Apr 28, 2002 | Calvert County | F2 | 2 | 0 |
| Sep 24, 2001 | Prince George's County | F3 | 2 | 55 |
| Nov 3, 2018 | Baltimore city | EF1 | 2 | 0 |
| Apr 28, 2002 | Charles County | F4 | 1 | 122 |
| May 8, 1984 | Dorchester County | F1 | 1 | 6 |
| May 20, 1967 | Garrett County | F3 | 1 | 0 |