Tornado History Map

Maryland tornado history

431 tornadoes recorded in Maryland from 1950 to 2025, drawn on the map and coloured by rating.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Maryland

The Storm Prediction Center records 431 tornadoes that touched Maryland between 1950 and 2025, and 415 of them began there. A tornado that crossed a state line counts in every state it touched. They killed 9 people and injured 357. The busiest month is July, with 87 tornadoes.

  • 431tornadoes
  • 9deaths
  • 357injuries
  • 444per 10,000 sq mi of land
  • 24counties touched

Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.

How strong were Maryland's tornadoes?

RatingTornadoesShare
F0 / EF019245%
F1 / EF119044%
F2 / EF2399%
F3 / EF372%
F4 / EF42<1%
F5 / EF500%
Unknown rating1<1%

Maryland tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 115 in 1990s.1950s141960s221970s481980s141990s1152000s862010s782020s54

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s14
1960s22
1970s48
1980s14
1990s115
2000s86
2010s78
2020s54

The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in Maryland was 2011, with 27.

Tornadoes by month
Bar chart of tornadoes by period. The most is 87 in Jul.Jan3Feb9Mar8Apr43May62Jun86Jul87Aug49Sep39Oct21Nov23Dec1
Show the numbers
PeriodCount
Jan3
Feb9
Mar8
Apr43
May62
Jun86
Jul87
Aug49
Sep39
Oct21
Nov23
Dec1

Deadliest tornadoes that touched Maryland

Strongest tornadoes that touched Maryland

Most recent tornadoes in Maryland

  • Maryland tornado31 July 2025, EF0, 0.1 miles long
  • Maryland tornado1 July 2025, EF1, 1 miles long
  • Maryland tornado18 June 2025, EF0, 0.2 miles long
  • Maryland tornado16 May 2025, EF1, 11.3 miles long
  • Maryland tornado16 May 2025, EF1, 4.3 miles long

Notable Maryland tornadoes with their own pages

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

Maryland counties

Every county that a tornado has touched is listed, most tornadoes first. 24 of them have at least 3 tornadoes and their own page.

CountyTornadoesStrongest
Frederick County39F/EF3
Baltimore County36F/EF2
St. Mary's County36F/EF4
Charles County33F/EF4
Anne Arundel County31F/EF3
Montgomery County30F/EF2
Carroll County29F/EF3
Prince George's County29F/EF3
Harford County26F/EF2
Calvert County21F/EF4
Cecil County19F/EF2
Howard County19F/EF3
Washington County18F/EF2
Worcester County16F/EF2
Dorchester County14F/EF3
Queen Anne's County13F/EF2
Wicomico County13F/EF3
Allegany County11F/EF4
Garrett County11F/EF3
Caroline County10F/EF2
Baltimore city9F/EF2
Somerset County6F/EF1
Kent County5F/EF2
Talbot County5F/EF2

Other states

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