Tornado history by location
Every US state, Canadian province, and major city — notable events, statistics, and local preparedness. Find your location below.
🎯 Calculate your personal tornado risk →Highest-risk US states
The core of Tornado Alley and Dixie Alley.
Texas155/year — most in the US
Kansas96/year — Udall, Andover, Greensburg
Oklahoma68/year — highest per-capita violent risk
Alabama47/year — deadliest per capita
Mississippi43/year — highest death rate
Nebraska57/year — Pilger twins
Missouri42/year — Joplin 2011
Tennessee30/year — nighttime corridor
All US states
Arkansas35/year
California10/year
Colorado53/year
Connecticut2/year
Delaware2/year
Florida55/year
Georgia31/year
Hawaii1/year
Idaho3/year
Illinois54/year
Indiana22/year
Iowa51/year
Kentucky25/year — Mayfield
Louisiana38/year
Maine2/year
Maryland4/year
Massachusetts3/year — Worcester 1953
Michigan15/year — Flint 1953
Minnesota30/year
Montana10/year
Nevada3/year
New Hampshire2/year
New Jersey3/year
New Mexico9/year
New York10/year
North Carolina31/year
North Dakota25/year — Fargo 1957
Ohio19/year — Xenia 1974
Oregon3/year
Pennsylvania16/year — Wheatland F5
Puerto Rico1-2/year
Rhode Island1/year
South Carolina15/year
South Dakota30/year
Utah2/year — SLC 1999
Vermont1/year
Virginia19/year
Washington3/year
West Virginia2/year
Wisconsin25/year — Barneveld F5
Wyoming12/year
Alaska<1/year
Arizona5/year
US cities
City-level history, risk, and preparedness.
Oklahoma CityHighest per-capita violent risk on Earth
WichitaUdall, Andover, Haysville
BirminghamThree F5/EF4 strikes since 1977
Dallas-Fort WorthLargest metro in the Alley
NashvilleDowntown hit 3 times
Kansas CityRuskin Heights 1957
All Alley cities →Full city risk overview
Canadian provinces
Ontario12-18/year — Canada\'s most active
ManitobaElie F5 — Canada\'s only F5
SaskatchewanRegina 1912 — deadliest ever
AlbertaEdmonton Black Friday 1987
QuebecGatineau 2018 EF3
British Columbia1-2/year — rare
Canada overview →National history
Canadian cities
Toronto2009 Vaughan F2
Ottawa2018 six-tornado outbreak
Winnipeg40 km from Elie F5
CalgaryHail + prairie tornadoes
EdmontonBlack Friday 1987
MontrealSt. Lawrence Valley
Regina1912 Cyclone — deadliest in Canada
SaskatoonPrairie corridor
Historic event deep-dives
Dedicated pages for the events that defined tornado history.
Tri-State Tornado (1925)695 dead — deadliest US tornado ever
Udall, KS (1955)F5 · 80 dead · deadliest in Kansas
Waco, TX (1953)F5 · 114 dead
Flint-Beecher, MI (1953)F5 · 116 dead
Worcester, MA (1953)F4 · 94 dead
Xenia, OH (1974)F5 · Super Outbreak icon
Wichita Falls, TX (1979)F4 · "Terrible Tuesday"
Andover, KS (1991)F5 · 17 dead
Jarrell, TX (1997)F5 · "Dead Man Walking"
Bridge Creek-Moore (1999)F5 · 301 mph — highest winds ever
Greensburg, KS (2007)EF5 · 95% of town destroyed
Parkersburg, IA (2008)EF5 · 9 dead
Joplin, MO (2011)EF5 · 158 dead — deadliest since 1947
Tuscaloosa-Birmingham (2011)EF4 · 65 dead
Moore, OK (2013)EF5 · 24 dead · Plaza Towers
El Reno, OK (2013)2.6 miles wide — widest ever
Pilger, NE twins (2014)Twin EF4s side by side
Nashville, TN (2020)EF3 · nighttime metro hit
Mayfield, KY (2021)EF4 · 89 dead · Quad State
Rolling Fork, MS (2023)EF4 · 26 dead
🇨🇦 Regina Cyclone (1912)F4 · 28 dead — deadliest in Canada
🇨🇦 Barrie, ON (1985)F4 · cross-border outbreak
🇨🇦 Edmonton (1987)F4 · "Black Friday" · 27 dead
🇨🇦 Pine Lake, AB (2000)F3 · campground disaster
🇨🇦 Elie, MB (2007)Canada\'s only F5
🇨🇦 Ottawa-Gatineau (2018)Six tornadoes · zero deaths