that have occurred in North America.
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Rehobeth, Massachusetts tornado
| August 1671
| Massachusetts
| -
| 0 fatalities
| Earliest known U.S. tornado |
| Cambridge, Massachusetts tornado
| July 8, 1680
| Massachusetts
| -
| 1 fatality
| Earliest known U.S. killer tornado |
| War of 1812 Washington D.C. tornado
| August 25, 1814
| Washington, D.C.
| -
| -
| Killed several British soldiers occupying city |
| Great Natchez Tornado
| May 7, 1840
| Southeastern United States
| >1
| >317 fatalities, >109 injuries
| 2nd deadliest tornado in U.S. history |
| Mid-Mississippi Valley tornado outbreak of June 1860
| June 3, 1860
| Middle Mississippi Valley
| -
| ≥148 fatalities, ≥409 injuries
| Exceptionally violent outbreak |
| 1871 St. Louis tornado
| March 8, 1871
| Middle Mississippi Valley
| ≥1
| 9 fatalities, 60 injuries
| Struck St. Louis-East St. Louis |
| March 1875 Southeast tornado outbreak
| March 20, 1875
| Southeastern United States
| -
| ≥93 fatalities, ≥367 injuries
| (7 violent, ≥11 killer) |
| May 1875 Southeast tornado outbreak
| May 1, 1875
| Southeastern United States
| -
| 58 fatalities, 195 injuries
| (1 violent, 7 killer) |
| Wallingford Tornado of 1878
| August 9, 1878
| Connecticut
| -
| 34 fatalities, ≥70 injuries
| Deadliest tornado in Connecticut history |
| May 1879 Central Plains tornado outbreak
| May 29 - May 30, 1879
| Central Great Plains
| -
| ≥36 fatalities, ≥186 injuries
| (≥15 significant, 6 violent, ≥9 killer) |
| April 1880 tornado outbreak
| April 18, 1880
| Mississippi Valley - Great Plains
| -
| ≥165 fatalities, ≥511 injuries
| (>22 significant, 5 violent, 14 killer) |
| 1881 Minnesota tornado outbreak
| July 15, 1881
| Minnesota
| ≥ 6
| 24 fatalities, 123 injuries
| |
| Southeast tornado outbreak of April 1883
| April 22 - 23, 1883
| Southeastern United States
| -
| ≥109 fatalities, ≥755 injuries
| (17 significant, 3 violent, 13 killer) |
| May 1883 tornado outbreak
| May 18, 1883
| Middle-Lower Mississippi Valley
| -
| ≥64 fatalities, ≥386 injuries
| (≥21 significant, 6 violent, 16 killers) |
| 1883 Rochester tornado
| August 21, 1883
| Rochester, Minnesota
| -
| 37 fatalities, 200+ injured
| Violent tornado led to the formation of the Mayo Clinic |
| Enigma tornado outbreak
| February 19 - 20, 1884
| Central - Eastern United States
| >41
| >178 fatalities, ≥1056 injuries
| Among largest known outbreaks (>37 significant, ≥4 violent, ≥28 killer) |
| Howard, South Dakota Tornado
| August 28, 1884
| Howard, South Dakota
| -
| -
| Oldest known tornado photograph |
| 1886 Sauk Rapids tornado
| April 14, 1886
| Central Minnesota
| -
| 72 fatalities, 200+ injuries
| Deadliest tornado in Minnesota history |
| 1890 St. Louis tornado outbreak
| January 12, 1890
| Middle Mississippi Valley
| -
| 16 fatalities, 91 injuries
| (≥1 violent, 3 killer) |
| Mid-Mississippi Valley Tornado Outbreak of March 1890
| March 27, 1890
| Middle Mississippi Valley
| -
| ≥146 fatalities, ≥847 injuries
| 76 killed in downtown Louisville, KY (≥24 significant, 6 violent, 16 killer) |
| 1890 Lawrence tornado
| July 26, 1890
| Lawrence, Massachusetts
| -
| 8 fatalities, 63 injuries
| Eleven mile path through city, about F3 in strength |
| 1894 Upper Mississippi Valley tornado outbreak
| September 21 - 22, 1894
| Upper Mississippi Valley
| -
| >63 fatalities, >253 injuries
| (>9 significant, 4 violent, 5 killer) |
| 1895 Kansas-Iowa tornado outbreak
| May 1 - 3, 1895
| Central-Northern Great Plains
| -
| >18-35 fatalities, >67 injuries
| 7 killed in schools in Ireton-Hull, IA (2 F5s, 3 killer) |
| Sherman, Texas tornado outbreak
| May 15, 1896
| Southern Great Plains
| -
| 85 fatalities, ≥291 injuries
| |
| Central Plains tornado outbreak of 1896
| May 17, 1896
| Central Great Plains
| -
| 25 fatalities, ≥260 injuries
| |
| Late-May 1896 tornado outbreak
| May 24 - 25, 1896
| Upper Mississippi Valley - Great Lakes (Ontario)
| -
| ≥79 fatalities, >215 injuries
| |
| St. Louis-East St. Louis Tornado
| May 27 - 28, 1896
| Missouri - Illinois / Mid-Atlantic
| -
| ≥305 fatalities, >1236 injuries
| By far costliest tornado in history, 3rd deadliest in U.S. history (10 significant, 4 violent, 7 killer (27th)) |
| Arkansas tornado outbreak of January 1898
| January 11, 1898
| Lower Mississippi Valley
| -
| ≥56 fatalities, ≥119 injuries
| (1 violent, 2 killer) |
| Mississippi Valley tornado outbreaks of May 1898
| May 17 - 18, 1898
| Middle-Upper Mississippi Valley
| -
| 55 fatalities, ≥380 injuries
| (5 violent, 10 killer) |
| New Richmond Tornado
| June 11 - 12, 1899
| Upper Midwest
| -
| ≥124 fatalities, ≥203 injuries
| (2 violent, 3 killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Kansas "Forgotten" tornado outbreak
| May 6, 1900
| Central United States
| -
| ≥3 fatalities, ≥16 injuries
| Large outbreak with little known information (≥17 significant, 2 killer) |
| Goliad, Texas Tornado Outbreak
| May 18, 1902
| South Central U.S.
| -
| 114 fatalities, ≥279 injuries
| (1 violent, 3 killer; tied with Waco tornado as deadliest in Texas history) |
| 1904 St. Louis tornado
| August 19, 1904
| Missouri - Illinois
| ≥1
| 3 fatalities, ≥10 injuries
| Heavy damage in downtown St. Louis |
| Snyder, Oklahoma tornado
| May 10, 1905
| Oklahoma
| ≥1
| 97 fatalities, ≥150 injuries
| F5 largely destroyed Snyder |
| Southeast tornado outbreak of April 1908
| April 23 - 25, 1908
| Southeastern United States
| -
| 324 fatalities, ≥1,720 injuries
| (≥41 significant, 6 violent, 19 killer) |
| Late-April 1909 tornado outbreak
| April 29 - May 1, 1909
| Mississippi - Tennessee Valley
| -
| ≥165 fatalities, ≥696 injuries
| (35 significant, 4 violent, 24 killer) |
| Owosso, Michigan tornado
| November 11, 1911
| Owosso, Michigan and Shiawassee County, Michigan
| -
| 2 dead, 9 injured
| Occurred at 11:11 PM, on 11-11-11 (November 11, 1911), named "Tornado Of The Elevens". |
| April 1912 tornado outbreak sequence
| April 20 - 29, 1912
| Southern-Central Great Plains - Middle Mississippi Valley - Southeastern United States
| -
| ≥104 fatalities, ≥630 injuries
| (≥59 significant, 17 violent, ≥34 killer) |
| Mid-March 1913 tornado outbreak
| March 13 - 14, 1913
| Southeastern United States - Middle Mississippi Valley
| -
| 78 fatalities, ≥492 injuries
| (20 significant, 3 violent, 16 killer) |
| Easter Weekend 1913 tornado outbreak sequence
| March 20 - 24, 1913
| Southeastern United States - Central Great Plains - Middle Mississippi Valley
| -
| 48 fatalities, ≥1,535 injuries
| Omaha Easter Sunday Tornado (1913) on 23rd (≥26 significant, 7 violent, 18 killer) |
| June 1916 tornado outbreak
| June 5 - 6, 1916
| Mississippi Valley - Southern U.S.
| -
| 112 fatalities, 741 injuries
| (34 significant, 1 violent, 23 killer) |
| February 1917 Southeast tornado outbreak
| February 23, 1917
| Southeastern United States
| -
| 17 fatalities, 81 injuries
| |
| 1917 New Albany, Indiana tornado outbreak
| March 23, 1917
| Middle Mississippi Valley
| -
| 47 fatalities, 311 injuries
| |
| May - June 1917 tornado outbreak sequence
| May 25 - 7, 1917
| Central - Southeastern United States
| -
| >224 fatalities
| (>34 significant, >7 violent, >25 killer) |
| May 1918 tornado outbreak sequence
| May 18 - 21, 1918
| Central-Northern Great Plains - Upper Midwest
| -
| 44 fatalities, 340 injuries
| (≥34 significant, 5 violent, 13 killer) |
| 1918 Tyler tornado
| August 21, 1918
| Tyler, Minnesota
| -
| 36 killed, 225 injured
| Estimated at F4 |
| March 1919 tornado outbreak
| March 14 - 16, 1919
| Central United States
| -
| 53 fatalities, 219 injuries
| (4 violent, 18 killer) |
| April 1919 tornado outbreak
| April 8 - 9, 1919
| Southern Great Plains
| -
| 92 fatalities, 412 injuries
| (4 violent, 10 killer) |
| 1919 Fergus Falls tornado
| June 22, 1919
| Fergus Falls, Minnesota
| -
| 57 fatalities, 200 injured
| estimated to be F5 |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Palm Sunday tornado outbreak of 1920
| March 28, 1920
| Midwest - Southeast
| -
| ≥380 fatalities, ≥1215 injuries
| (31 significant, 8 violent, 19 killer) |
| 1920 Mississippi-Alabama tornado outbreaks
| April 19 - 21, 1920
| Southeastern United States
| -
| 243 fatalities, 1374 injuries
| (6 violent, 9 killer) |
| April 1921 tornado outbreak
| April 15 - 16, 1921
| Southern U.S.
| -
| 90 fatalities, 676 injuries
| (34 significant, 1 violent, 17 killer) |
| November 1922 Great Plains tornado outbreak
| November 4, 1922
| Great Plains
| -
| 17 fatalities, 68 injuries
| (1 violent, 4 killer) |
| April 1924 tornado outbreak
| April 30, 1924
| Southeastern United States
| -
| 110 fatalities, 1133 injuries
| 7 killed at school in Horrell Hill, SC (24 significant, 2 violent, 16 killer) |
| Sandusky-Lorain, Ohio tornado outbreak
| June 28, 1924
| Eastern Great Lakes
| -
| 90 fatalities, 349 injuries
| (≥6 significant, 1 violent, 4 killer) |
| Tri-State Tornado
| March 18, 1925
| Middle Mississippi - Ohio Valley
| ≥9
| ≥747 fatalities, ≥2298 injuries
| Deadliest and 3rd costliest U.S., longest path and duration in world (≥9 significant, 3 violent, 8 killer) |
| 1926 La Plata, Maryland tornado outbreak
| November 9, 1926
| Mid-Atlantic
| -
| 17 fatalities, 65 injuries
| 17 killed at schools |
| Late-November 1926 tornado outbreak
| November 25 - 26, 1926
| Southern U.S.
| -
| 107 fatalities, 451 injuries
| (27 significant, 2 violent, 18 killer) |
| April 1927 Southern Plains-Midwest tornado outbreak
| April 18 - 19, 1927
| Southern Great Plains - Midwest
| -
| 146 fatalities, ≥235 injuries
| (16 significant, 3 violent, 5 killer) |
| May 1927 tornado outbreak
| May 8 - 9, 1927
| Great Plains - Mississippi Valley
| -
| 217 fatalities, 1156 injuries
| (32 significant, 8 violent, 17 killer) + 1 F5 with 10 fatalities and 300 injuries in Kansas on May 7 |
| 1927 St. Louis tornado outbreak
| September 29, 1927
| Middle-Lower Mississippi Valley
| -
| 82 fatalities, 620 injuries
| Second costliest tornado in history (11 significant, 1 violent, 3 killer) |
| September 1928 Upper Plains-Midwest tornado outbreak
| September 13 - 14, 1928
| Upper Great Plains - Midwest
| -
| 23 fatalities, 197 injuries
| (15 significant, 3 violent, 3 killer) |
| January 1929 Mid-Mississippi Valley tornado outbreak
| January 18, 1929
| Middle Mississippi Valley
| -
| 10 fatalities, 46 injuries
| (7 significant, 5 killer) |
| Slocum, Texas-Statesboro, Georgia tornado outbreaks
| April 24 - 25, 1929
| Great Plains - Midwest - Southeast
| -
| 63 fatalities, 567 injuries
| (15 significant, 4 violent, 7 killer) |
| Rye Cove, Virginia tornado outbreaks
| May 1 - 2, 1929
| Southern - Eastern United States
| -
| 44 fatalities, 349 injuries
| 13 killed at school in Rye Cove, VA (17 significant, 10 killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| May 1930 tornado outbreak sequence
| May 1 - 2 & 5 - 6, 1930
| Great Plains - Mississippi Valley
| -
| 94 fatalities, 520 injuries
| (51 significant, 11 violent, 15 killer) |
| November 1930 Southern Plains tornado outbreak
| November 19, 1930
| Southern Great Plains
| -
| 24 fatalities, 162 injuries
| (8 significant, 1 violent, 2 killer) |
| 1932 Deep South tornado outbreak
| March 21 - 22, 1932
| Southeastern United States
| -
| ≥330 fatalities, 2145 injuries
| (36 significant, 10 violent, 27 killer) |
| March 1933 Nashville tornado outbreak
| March 14, 1933
| Tennessee Valley
| -
| 44 fatalities, 461 injuries
| Destructive killer tornado through downtown Nashville (5 significant, 1 violent, 4 killer) |
| Late-March 1933 tornado outbreak
| March 30 - 31, 1933
| Southeast
| -
| 87 fatalities, 620 injuries
| (30 significant, 1 violent, 16 killer) |
| 1936 Cordele-Greensboro tornado outbreak
| April 1 - 2, 1936
| Southeast
| -
| 45 fatalities, 568 injuries
| (8 significant, 2 violent, 8 killer) |
| Tupelo-Gainesville tornado outbreak
| April 5 - 6, 1936
| Southeastern United States
| -
| 454 fatalities, 2498 injuries
| (12 significant, 3 violent, 11 killer) |
| Bakerville, Missouri tornado outbreak
| March 15, 1938
| Mississippi Valley
| -
| 24 fatalities, 200 injuries
| (14 significant, 2 violent, 6 killer) |
| Late-March 1938 tornado outbreak
| March 30 - 31, 1938
| Southern Plains - Mississippi Valley
| -
| 40 fatalities, 548 injuries
| (26 significant, 3 violent, 9 killer) |
| Oshkosh, Nebraska tornado outbreak
| April 26, 1938
| Great Plains
| -
| 6 fatalities, 39 injuries
| Oshkosh completely destroyed killing students at leveled school (8 significant, 2 violent, 2 killer) |
| Charleston, South Carolina tornadoes
| September 29, 1938
| South Carolina
| -
| 32 fatalities, 100 injuries
| (2 killers) |
| April 1939 tornado outbreak sequence
| April 14 - 17, 1939
| Great Plains - Mississippi Valley
| -
| 57 fatalities, 316 injuries
| (25 significant, 3 violent, 11 killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| February 1942 tornado outbreak
| February 5 - 6, 1942
| Southeast
| -
| 22 fatalities, 330 injuries
| (22 significant, 9 killer) |
| March 1942 tornado outbreak
| March 16, 1942
| Central - Southern U.S.
| -
| 148 fatalities, ≥1284 injuries
| (26 significant, 5 violent, 18 killer) |
| April-May 1942 tornado outbreak sequence
| April 27 - 30 & May 2, 1942
| Great Plains
| -
| 123 fatalities, ≥839 injuries
| (20 significant, 11 violent, 17 killer) |
| May 1943 tornado outbreak
| May 15, 1943
| Great Plains
| -
| ≥6 fatalities, ≥222 injuries
| (21 significant, 4 violent, 2 killer) |
| January 1944 Oklahoma tornado outbreak
| January 26. 1944
| Southern Great Plains
| -
| 2 fatalities, 40 injuries
| (8 significant, 2 killer) |
| 1944 Appalachians tornado outbreak
| June 22 - 23, 1944
| Great Lakes - Mid-Atlantic
| -
| 163 fatalities, ≥1044 injuries
| (≥9 significant, 4 violent, 7 killer) |
| April 1945 tornado outbreak
| April 12, 1945
| -
| -
| 128 fatalities, 1001 injuries
| (17 significant, 5 violent, 10 killer) |
| Windsor - Tecumseh, Ontario tornado of 1946
| June 17, 1946
| River Rouge, Michigan, Windsor, Ontario
| -
| 17 dead, dozens injured
| Third-deadliest in Canadian history, formed in River Rouge, Michigan |
| January 1947 tornado outbreak
| January 29 - 30, 1947
| Mississippi Valley - Southeast
| -
| 8 fatalities, 155 injuries
| (15 significant, 1 violent, 5 killer) |
| Glazier-Higgins-Woodward tornadoes
| April 9 - 10, 1947
| Southern Great Plains
| -
| 181 fatalities, 980 injuries
| (8 significant, 2 violent, 1 killer) |
| New Year's Eve tornado outbreak of 1947
| December 31, 1947
| Southern U.S.
| -
| 20 fatalities, 256 injuries
| (7 significant, 1 violent, 3 killer) |
| Alton-Bunker Hill-Gillespie tornado outbreak
| March 18 - 19, 1948
| Great Plains - Middle Mississippi Valley
| -
| 43 fatalities, ≥566 injuries
| (25 significant, 3 violent, 5 killer) |
| Late-March 1948 tornado outbreak
| March 25 - March 27, 1948
| Central United States
| -
| 37 fatalities, 321 injuries
| (19 significant, 3 violent, 5 killer) |
| Warren, Arkansas tornado outbreak
| January 3, 1949
| South Central U.S.
| -
| 60 fatalities, 504 injuries
| (12 significant, 1 violent, 5 killer) |
| May 1949 tornado outbreak
| May 20 - 21, 1949
| Central - Southeastern United States
| -
| ≥56 fatalities, ≥552 injuries
| Perhaps 2nd most intense known outbreak (≥29 significant, ≥5 violent, ≥2 killer) |
| October 1949 tornado outbreak
| October 9 - 10, 1949
| Great Plains
| -
| 2 fatalities, 6 injuries
| (11 significant, 2 killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Arkansas-Tennessee tornado outbreak of 1952
| March 21 - 22, 1952
| Lower-Middle Mississippi Valley
| -
| 208 fatalities
| (19 significant, 8 violent, 13 killer) |
| April - May 1953 tornado outbreak sequence
| April 28 - May 2, 1953
| Southeastern United States
| -
| 37 fatalities, 366 injuries
| (17 significant, 5 violent, 9 killer) |
| 1953 Waco tornado outbreak
| May 9 - 11, 1953
| Southern-Central Great Plains / Upper Mississippi Valley
| 33
| 144 fatalities, 903 injuries
| Waco Tornado occurred during Texan outbreak of May 11 (19 significant, 6 violent, 7 killer), tied for deadliest in Texas history and 10th deadliest in United States |
| Flint-Worcester tornado outbreak sequence
| June 7 - 9, 1953
| Central Great Plains - Great Lakes - New England
| 48
| 247 fatalities
| Flint-Beecher tornado last 100-fatality single tornado in US history (11 significant, 1 violent killer on 7th; 10 significant, 4 violent, 8 killer on 8th; 3 significant, 1 violent killer on 9th; 24 significant, 6 violent, 10 killer for sequence) |
| Vicksburg, Mississippi tornado outbreak
| December 5, 1953
| Louisiana - Mississippi
| -
| 38 fatalities
| (4 significant, 1 violent killer) |
| Commerce Landing, Mississippi tornado outbreak
| February 1, 1955
| Mississippi - Alabama
| -
| 23 fatalities
| 23 killed at school in Commerce Landing, MS (>2 significant) |
| 1955 Great Plains tornado outbreak
| May 25 - 26, 1955
| Great Plains - Midwest - Mississippi Valley
| 47
| 102 fatalities
| Last 75 fatality single tornado in the U.S. (8 significant, 3 violent, 3 killer) |
| February 1956 tornado outbreak
| February 24 - 25, 1956
| Central United States
| -
| 6 fatalities
| (14 significant, 2 violent killers) |
| April 1956 tornado outbreak
| April 2 - 3, 1956
| Central United States
| -
| 40 fatalities
| (33 significant, 7 violent, 8 killer) |
| Birmingham Tornado of April 1956
| April 15, 1956
| Alabama
| 1
| 25 fatalities
| (1 violent killer) |
| Dallas tornado outbreak of April 1957
| April 2, 1957
| Texas - Oklahoma
| 28
| 17 fatalities
| (16 significant, 2 violent, 5 killer) |
| Southeastern tornado outbreak of April 1957
| April 8, 1957
| Alabama - Georgia - North Carolina - South Carolina - Tennessee - Virginia
| 15
| 4 fatalities
| (6 significant, 1 violent, 1 killer) |
| 1957 Lubbock tornado outbreak
| April 21, 1957
| Texas
| -
| 0 fatalities
| (4 significant, 2 violent) |
| Silverton, Texas tornado outbreak
| May 15, 1957
| Texas
| -
| 21 fatalities
| (6 significant, 1 violent, 2 killer) |
| May 1957 Central Plains tornado outbreak
| May 19 - 21, 1957
| Central Great Plains - Middle-Upper Mississippi Valley
| -
| 59 fatalities
| (32 significant, 4 violent, 3 killer) |
| Mid-South tornado outbreak of May 1957
| May 24, 1957
| New Mexico and southern Great Plains
| -
| 4 fatalities
| (10 significant, 1 violent, 1 killer) |
| 1957 Fargo tornado
| June 20, 1957
| Northern Great Plains
| -
| 11 fatalities
| (4 significant, 2 violent, 2 killer) |
| November 1957 tornado outbreak
| November 7 - 8, 1957
| Southeastern United States
| 20
| 12 fatalities
| (12 significant, 1 violent, 5 killer) |
| Murphysburo, Illinois tornado outbreak
| December 18, 1957
| Missouri - Illinois
| 23
| 17 fatalities
| (18 significant, 3 violent, 5 killer) |
| Colfax, Wisconsin tornado outbreak
| June 4, 1958
| Minnesota - Wisconsin
| -
| 28 fatalities
| (6 significant, 3 violent killers) |
| November 1958 tornado outbreak
| November 17, 1958
| Southern U.S. - Great Plains
| 34
| 0 fatalities
| (16 significant) |
| 1959 St. Louis tornado outbreak
| February 10, 1959
| Middle Mississippi Valley
| -
| 21 fatalities
| Destructive tornado in downtown St. Louis (7 significant, 1 violent killer) |
| May 1959 tornado outbreak
| May 4 - 5, 1959
| Central United States
| 49
| 0 fatalities
| (8 significant) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| May 1960 tornado outbreak
| May 5 - 6, 1960
| Southern Great Plains
| -
| 33 fatalities
| (25 significant, 4 violent, 8 killer) |
| Hurricane Carla
| September 1961
| Southern U.S.
| 8
| -
| 1 F0, 6 F1's, 8 F2's, 7 F3's 2 Killer, 1 F4 Killer Tornado |
| 1964 Michigan tornado
| May 8, 1964
| Metro Detroit
| -
| 13 dead, 224 injured
| F4 tornado strikes suburban areas of Metro Detroit, Michigan |
| Palm Sunday tornado outbreak of 1965
| April 11 - 12, 1965
| Central United States
| 51
| 256 fatalities
| Among most intense recorded outbreaks (38 significant, 19 violent, 21 killer) |
| 1965 Twin Cities tornado outbreak
| May 6, 1965
| Minnesota
| -
| 13 fatalities
| (2 significant, 4 violent, 4 killer) |
| Late-May 1965 tornado outbreak
| May 25 - 26, 1965
| Great Plains
| 51
| 0 fatalities
| (9 significant) |
| Candlestick Park Tornado - Jackson, MS
| March 3, 1966
| Mississippi - Alabama
| -
| 58 dead, 508 injured
| 202.5 mile path - 1 of only 3 F5 storms in Mississippi history |
| 1966 Topeka tornado
| June 8 - 9, 1966
| Kansas - Illinois
| -
| 18 fatalities
| (5 significant, 2 violent, 3 killer) |
| 1967 St. Louis tornado outbreak
| January 24, 1967
| Midwest
| -
| 7 fatalities
| (18 significant, 2 violent, 4 killer) |
| Belvidere - Oak Lawn tornado outbreak
| April 21, 1967
| Midwest
| 45
| 58 fatalities
| Large school and traffic death tolls (20 significant, 4 violent, 3 killer) |
| 1967 Southern Minnesota tornado outbreak
| April 30, 1967
| Minnesota
| 9
| 13 fatalities
| Only one tornado below F2 strength |
| Hurricane Beulah
| September 19 - 23, 1967
| Texas - Mexico
| >115
| 5 fatalities
| |
| Wheelersburg, Ohio tornado outbreak
| April 23, 1968
| Ohio Valley
| -
| 14 fatalities
| (7 significant, 3 violent killers) |
| May 1968 tornado outbreak
| May 15 - 16, 1968
| Mississippi Valley
| 46
| 74 fatalities
| (20 significant, 4 violent (including two F5's), 8 killer) |
| 1968 Tracy tornado
| June 13, 1968
| Minnesota
| -
| 9 fatalities
| F5 tornado killed 9 and injured 150 in Tracy, Minnesota |
| 1969 Georgia tornado
| April 4, 1969
| Georgia
| -
| About 50 Injures
| |
| 1969 Minnesota tornado outbreak
| August 6, 1969
| Minnesota
| 13
| 15 fatalities, 109 injuries
| (1 violent, 8 significant, 3 killers ) |
| August 1969 Cincinnati tornado outbreak
| August 9, 1969
| Indiana - Ohio
| -
| 4 fatalities
| (2 significant) |
| Hazelhurst, Mississippi tornado outbreak
| January 23, 1969
| Southeastern United States
| -
| 32 fatalities
| (2 significant, 1 violent killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| April 1970 tornado outbreak
| April 17 - 18, 1970
| Southern Great Plains
| 15
| 23 fatalities
| (7 significant, 4 violent, 3 killer) |
| Lubbock Tornado
| May 11, 1970
| West Texas
| -
| 28 fatalities
| (1 violent killer) |
| Mississippi Valley tornado outbreak of February 1971
| February 21, 1971
| Southern Mississippi Valley
| 14
| 119 fatalities
| (4 violent, 5 significant, 4 killer) |
| Springfield, Missouri tornado outbreak of 1971
| December 14 - 15, 1971
| Central United States
| 40
| 2 fatalities
| (10 significant, 2 killer) |
| 1972 Portland-Vancouver Tornado
| April 5, 1972
| Pacific Northwest
| 4
| 6 fatalities
| 4 strong tornadoes, deadliest in West Coast history |
| March 1973 Georgia-South Carolina tornado outbreak
| March 31, 1973
| Georgia - South Carolina
| 3
| 10 fatalities
| Extremely destructive tornadoes, costliest natural disaster in Georgia history (3 violent killers) |
| May 1973 tornado outbreak
| May 26 - 29, 1973
| Southern U.S.
| 99
| 22 fatalities
| (26 significant, 3 violent, 8 killer) |
| April 1-2 1974 tornado outbreak
| April 1 - 2, 1974
| Southern U.S. - Mississippi Valley
| 23
| 4 fatalities
| Outbreak ended only 17 hours before Super Outbreak began in same areas (10 significant, 3 violent, 4 killer) |
| Super Outbreak
| April 3 - 4, 1974
| Eastern United States - Ontario
| 148
| 315 fatalities
| Largest and most intense recorded outbreak (95 significant, 30 violent (6 F5), 49 killer) |
| June 1974 Great Plains tornado outbreak
| June 8, 1974
| Southern U.S. Plains
| 39
| 22 Fatalities
| (22 Significant, 4 Violent, 4 Killer) |
| Great Storm of 1975
| January 9 - 12, 1975
| Southeastern United States
| 45
| 12 fatalities
| (10 significant, 1 violent, 4 killer) |
| Omaha Tornado of 1975
| May 6, 1975
| Northern Great Plains
| 12
| 3 fatalities
| (6 significant, 2 violent, 1 killer) |
| Canton, Illinois Tornado of 1975
| July 23, 1975
| Illinois
| -
| 2 fatalities
| |
| March 1976 tornado outbreak
| March 20 - 21, 1976
| Mississippi Valley
| 66
| 3 fatalities
| (18 significant, 3 violent, 3 killer) |
| Birmingham Tornado of April 1977
| April 4, 1977
| Southeastern United States
| 15
| 22 fatalities
| (1 violent, 4 significant, 1 killer) F5 tornado strikes northern Birmingham. Outbreak extends from MS to NC. |
| Sarasota, Florida tornadoes
| May 4, 1978
| Florida
| -
| 3 fatalities
| (2 significant, 1 killer) |
| Bossier City, LA Tornado
| December 2 - December 3, 1978
| Southern Great Plains - Southern U.S.
| -
| 2 fatalities
| Occurred at 1:52 AM leaving little warning as most were asleep |
| Red River Valley Tornado Outbreak
| April 10 - 11, 1979
| Southern Great Plains - Southeastern United States
| -
| 56 fatalities
| Wichita Falls Tornado on 10th (28 significant, 2 violent, 5 killer) |
| Windsor Locks, Connecticut Tornado
| October 3, 1979
| New England
| -
| 3 fatalities
| (2 significant, 1 violent killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| April 1980 Central United States tornado outbreak
| April 7 - 8, 1980
| Central United States
| -
| 3 fatalities
| |
Vandergrift PA Tornado of June 1980 >
| June 3, 1980
| Mid Atlantic
| 4
| 0 fatalities
| (1 Violent, 3 Significant; F4 Tornado strikes Vandergrift PA with 140 Injuries 159 Injuries Total)
| 1980 Grand Island tornado outbreak
| June 2 - 3, 1980
| Central - Eastern United States
| -
| 6 fatalities
| (15 significant, 1 violent, 3 killer; best known for forming three rare anticyclonic tornadoes in one system) |
| Hurricane Allen
| August 1980
| Mexico - Texas
| ≥29
| -
| Costliest tropical cyclone related tornado in history struck Austin vicinity |
| May 1981 Tornado Outbreak
| May 22 - 23, 1981
| Great Plains
| 43
| 0 fatalities
| (14 significant, 1 violent) |
| April 1982 tornado outbreak
| April 2 - 3, 1982
| Southern Plains - Mississippi Valley
| 61
| 29 fatalities
| (24 significant, 4 violent, 10 killer) |
| May 1982 tornado outbreak
| May 11 - 12, 1982
| Texas - Oklahoma
| 70
| 2 fatalities
| (14 significant) |
| Marion, Illinois tornado outbreak
| May 29, 1982
| Illinois
| -
| 10 fatalities
| (2 significant, 1 violent killer) |
| Early-December 1982 tornado outbreak
| December 2 - 3, 1982
| Lower-Middle Mississippi Valley
| -
| 4 fatalities
| (16 significant) |
| Christmas 1982 tornado outbreak
| December 23 - 25, 1982
| Central - Southeastern United States
| -
| 3 fatalities
| (18 significant) |
| Early-May 1983 tornado outbreak
| May 1 - 2, 1983
| Mississippi Valley - Great Lakes
| 63
| 7 fatalities, 110+ injured
| (NE, AR, IA, IL, IN, KY, MI, MO, NY, OH, PA. $200M in damage, OH and Western NY hardest hit ) |
| Mid-May 1983 tornado outbreak
| May 18 - 20, 1983
| Southeastern United States
| 48
| 6 fatalities
| (10 significant, 6 killer) |
| 1984 Carolinas tornado outbreak
| March 28, 1984
| Carolinas
| 24
| 57 fatalities, 1200+ injuries
| 11 of 13 very large tornadoes produced by one supercell generated F3/F4 damage; 2 F4's left damage paths +2 miles wide. (19 significant, 7 violent, 10 killer) |
| Philipp-Water Valley, Mississippi tornado outbreak
| April 21, 1984
| Southeastern United States
| -
| 15 fatalities
| (3 significant) |
| Morris, Oklahoma tornado outbreak
| April 26 - 27, 1984
| Great Plains - Mississippi Valley
| -
| 16 fatalities
| (20 significant, 8 killer) |
| Mannford-New Prue, Oklahoma tornado outbreak
| April 29, 1984
| Central United States
| 42
| 1 fatality
| (4 significant, 1 violent killer) |
| May 1984 tornado outbreak
| May 2 - 3, 1984
| Southeastern United States
| 60
| 5 fatalities
| (15 significant) |
| Barneveld, Wisconsin tornado outbreak
| June 7 - 8, 1984
| Central United States
| 45
| 13 fatalities
| (26 significant, 2 violent, 4 killer) |
| 1985 United States-Canadian tornado outbreak
| May 31, 1985
| U.S. - Canadian Eastern Great Lakes
| -
| ≥88 fatalities
| Among most intense outbreaks recorded, largest recorded outbreak in the region (≥20 significant, 9 violent, ≥10 killer) |
| Hurricane Danny
| August 1985
| Southeastern United States
| 39
| |
| Saragosa, Texas tornado
| May 22, 1987
| West Texas
| -
| 30 fatalities
| (1 violent killer) |
| Arklatex Outbreak
| November 15-16, 1987
| Southeastern United States
| 50
| 11 Fatalities |
| West Memphis, Ark.
| December 14, 1987
| Arkansas - Tennessee
| -
| 6 dead, 100 injured
| Rated F3 |
| May 1988 tornado outbreak
| May 8, 1988
| Midwest
| 57
| 0 fatalities
| (8 significant) |
| Hurricane Gilbert
| September 1988
| Central - North America
| ≥29
| -
| |
| November 1988 tornado outbreaks
| November 4 - 5, 15, 19 - 20, 28, 1988
| Central - Eastern United States
| -
| 14 fatalities
| 44 tornadoes on Nov. 15, Raleigh Tornado on Nov. 28 {29 significant, 6 killer, 1 violent} |
| May 1989 tornado outbreak
| May 5, 1989
| Mid-Atlantic - Southeast U.S.
| -
| 7 fatalities
| (9 significant, 3 violent, 3 killer) |
| Northeastern United States tornado outbreak of 1989
| July 10, 1989
| Northeastern United States
| 16
| 0 fatalities, 142 injured
| (6 significant, 2 violent (F4), 0 killer) |
| November 1989 Tornado Outbreak
| November 15-16, 1989
| Southeastern United States and Mid-Atlantic States
| 40
| 30 fatalities
| (9 significant, 1 violent killer) |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Central US Tornado Outbreak of 1990
| March 13, 1990
| Central United States
| 59
| 2 fatalities
| (26 significant, 4 violent, 2 killer) |
| Lower Ohio Valley tornado outbreak
| June 2 - 3, 1990
| Central United States
| 66
| 9 fatalities
| (27 significant, 7 violent, 4 killer) |
| Plainfield Tornado
| August 28, 1990
| Northeastern Illinois
| 3
| 29 fatalities
| Strongest August tornado (1 violent killer) |
| Andover, Kansas Tornado Outbreak
| April 26 - 27, 1991
| Central-Southern Great Plains
| 58
| 21 fatalities
| (32 significant, 5 violent, 5 killer) |
| May 1991 Central Plains tornado outbreak
| May 16, 1991
| Central Great Plains
| 46
| 0 fatalities
| (4 significant) |
| Mid-June 1992 Tornado Outbreak
| June 15 - 16, 1992
| Central United States
| 123
| 1 fatality
| (27 significant, 4 violent, 1 killer) |
| November 1992 tornado outbreak
| November 21 - 23, 1992
| Southern - Eastern United States
| 95
| 26 fatalities
| (43 significant, 5 violent, 9 killer) |
| Catoosa, Oklahoma tornado outbreak
| April 24, 1993
| Oklahoma
| -
| 7 fatalities
| (1 violent killer) |
| 1993 Virginia tornado outbreak
| August 6, 1993
| Virginia
| 18
| 4 fatalities
| Largest tornado outbreak in Virginia history (2 violent) |
| Palm Sunday tornado outbreak of 1994
| March 27, 1994
| Southeastern United States
| 27
| 40 fatalities
| (2 violent, 13 significant, 5 killer) |
| April 1994 tornado outbreak
| April 25 - 27, 1994
| Southern Great Plains - Midwest
| >67
| 6 fatalities
| (2 violent, 13 significant) |
| June 1994 tornado outbreak
| June 26 - 27, 1994
| -
| 62
| 2 fatalities
| (11 significant) |
| May 1995 Tornado Outbreak Sequence
| May 1995
| Central United States
| >80
| >4 fatalities
| May 6–7, 8, 9, 13–14, 18–19, 27, 29 |
| April 1996 Tornado Outbreak Sequence
| April 19 - 22, 1996
| Texas - Arkansas - Illinois - Indiana - Ontario
| >70
| -
| |
| Late-October 1996 tornado outbreak
| October 26, 1996
| West North Central States
| 26
| 11 injuries
| Unusual late-season outbreak in Minnesota, South Dakota and Nebraska |
| Benton, Arkansas Tornado Outbreak
| March 1, 1997
| Mississippi Valley - Ohio Valley
| 56
| 26 fatalities
| (18 violent, 16 significant, 5 killers) |
| Miami Tornado
| May 12, 1997
| Miami, Florida
| -
| -
| |
| Central Texas tornado outbreak
| May 27, 1997
| Texas
| 19
| 27 fatalities
| Jarrell, Texas (5 violent, 2 killers) |
| Southeast Michigan Tornado Outbreak
| July 2, 1997
| Southeast Michigan - Southwestern Ontario
| 13
| 7 fatalities
| One tornado passed through some Detroit neighborhoods, the suburbs of Hamtramck, and Highland Park. One also touched down near Windsor, Ontario |
| Kissimmee Tornado Outbreak
| February 22 - 23, 1998
| Florida
| 11
| 42 fatalities
| (3 violent, 4 killers) |
| Gainesville-Stoneville tornado outbreak
| March 20 - 20, 1998
| Georgia to Virginia
| 12
| 14 fatalities
| (5 significant, 2 violent, 2 killers) |
| 1998 Comfrey – St. Peter tornado outbreak
| March 29, 1998
| Southern Minnesota
| 14
| 2 fatalities, 36 injuries
| Earliest tornado outbreak in Minnesota history |
| Birmingham Tornado
| April 8, 1998
| Metropolitan area of Birmingham, Alabama, also Georgia, Louisiana, Tennessee
| 11
| 39 fatalities
| (2 violent, 5 significant, 3 killers) |
| 1998 Nashville tornado outbreak
| April 16, 1998
| Southeastern United States
| 10
| ≥4 fatalities
| Passed through downtown Nashville |
| Spencer tornado
| May 30, 1998
| South Dakota
| -
| 6 fatalities
| |
| New York Tornado Outbreak
| May 31, 1998
| NY, PA, VT
| 35
| 1 fatality, 109 injuries
| $83M in damage |
| 1998 Eastern tornado outbreak
| June 2, 1998
| NY to SC
| 49
| 2 fatalities, 80 injuries
| $42M in damage |
| Lynbrook tornado
| September 7, 1998
| Long Island, NY
| -
| 1 fatality
| During the Labor Day Derecho Event |
| January 1999 tornado outbreak sequence
| January 17 - 22, 1999
| Arkansas Tennessee Mississippi
| >100
| 16
| Two tornado outbreaks. January 17 and another one on January 21-22. Arkansas and western Tennessee raked by strong and killer tornadoes. |
| Easter weekend 1999 tornado outbreak
| April 3, 1999
| Southern Plains
| 24
| 7 fatalities
| |
| Cincinnati Tornado of April 1999
| April 8-9, 1999
| Ohio Valley/Midwest
| 54
| 6 Fatalities
| (12 significant, 3 violent, 3 killers) |
| 1999 Oklahoma tornado outbreak
| May 3, 1999
| Southern Great Plains
| 66
| 46 fatalities, 665 injuries
| First tornado to incur $1 billion in (non-normalized) damages |
| 1999 Linden TN Tornado
| May 5, 1999
| Tennessee
| 1
| 3 Fatalities
| F4 Tornado |
| Salt Lake City Tornado
| August 11, 1999
| Utah
| 1
| 1 fatality
| F2 Tornado; First known casualty in a Utah Tornado |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Southwest Georgia tornado outbreak
| February 13 - 14, 2000
| Georgia
| 4
| 19 fatalities
| Substantial damage to neighborhoods south of Camilla, Georgia, and north of Meigs, Georgia. |
| Fort Worth Tornado
| March 28, 2000
| U.S. South
| 10
| 4 fatalities
| |
| Tuscaloosa Tornado of December 2000
| December 16, 2000
| Southern United States
| 24
| 12 fatalities
| Tuscaloosa tornado caught live via Tower Cam (1 violent, 10 significant, 2 killer) |
| Maryland, Virginia, and Washington, D.C. tornado outbreak of 2001
| September 24, 2001
| -
| 9
| 2 fatalities, 57 injuries
| Multi-vortex F3 tornado passed through the University of Maryland campus (2 violent, 1 killer) |
| North Central Indiana-Michigan Tornado Outbreak
| October 24, 2001
| Central United States
| 25
| 2 fatalities
| |
| Arkansas-Mississippi-Alabama tornado outbreak
| November 23 - 24, 2001
| Southeast U.S.
| 67
| 13 fatalities
| |
| Midwest to Mid-Atlantic United States tornado outbreak of 2002
| April 27 - 28, 2002
| Midwest to Mid-Atlantic U.S.
| 49
| 6 fatalities
| (7 violent, 10 significant, 2 killers) |
| Veterans Day Weekend tornado outbreak of 2002
| November 9 - 11, 2002
| Southeastern United States - Ohio Valley
| ≥75
| 36 fatalities
| |
| May 2003 tornado outbreak sequence
| May 3 - 11, 2003
| -
| 401+
| 48 fatalities
| List of May 2003 tornado outbreak sequence tornadoes |
| 2003 South Dakota tornado outbreak
| June 24, 2003
| South Dakota
| 63
| 0 fatalities
| Tied U.S. record for most tornadoes in one state during a 24-hour period.
See also: List of 2003 South Dakota tornado outbreak tornadoes |
| April 2004 Utica tornado outbreak
| April 20, 2004
| Illinois - Indiana
| 30
| 9 fatalities
| |
| May 2004 tornado outbreak sequence
| May 21 - May 31, 2004
| Great Plains - Midwest
| 385
| 7 fatalities
| Widest recorded tornado (2.5 mi / 4 km), second largest 2-day outbreak in history
See also: List of May 2004 tornado outbreak sequence tornadoes |
| Roanoke, Illinois tornado
| July 13, 2004
| Central Illinois
| -
| 0 fatalities
| (1 violent) |
| Hurricane Frances
| September 2004
| Eastern United States
| 103
| -
| 72 F0's, 25 F1's, 5 F2's, 1 F3's
See also: Hurricane Frances tornado outbreak |
| Hurricane Ivan
| September 2004
| Eastern United States
| 117
| -
| 57 F0's, 59 F1's, 18 F2's 1 F3
See also: Hurricane Ivan tornado outbreak |
| Hurricane Cindy
| July 6 - 8, 2005
| Southeastern - Eastern United States
| 44
| 0 fatalities
| See also: Hurricane Cindy (2005) tornado outbreak |
| Wisconsin Tornado Outbreak of August 2005
| August 18, 2005
| Wisconsin - Minnesota
| -
| 1 fatality
| |
| Hurricane Katrina
| August 26 - 31, 2005
| Southeastern - Eastern United States
| 44
| 1 fatality
| See also: Hurricane Katrina tornado outbreak |
| Hurricane Rita
| September 2005
| U.S. South
| 101
| 1 fatality
| |
| Evansville Tornado of November 2005
| November 5 - 6, 2005
| Middle Mississippi - Ohio Valley
| 7
| 25 fatalities
| All fatalities caused by a single F3 |
| Iowa Tornado Outbreak of November 2005
| November 12, 2005
| Iowa - Missouri
| -
| 1 fatality
| |
| Mid-November 2005 Tornado Outbreak
| November 15, 2005
| Central - Southeastern United States
| 50
| -
| |
| Late-November 2005 Tornado Outbreak
| November 27 - 28, 2005
| Central - Southeastern United States
| 46
| 1 fatality
| |
| March 2006 Tornado Outbreak Sequence
| March 9 - 13, 2006
| Central United States
| 105
| 11 fatalities
| One tornado lasted over 2 hours. One supercell lasted over 17 hours and crossed 5 states. |
| April 2, 2006 Tornado Outbreak
| April 2, 2006
| Central United States
| -
| 26 fatalities
| 2 others killed by non-tornadic storms |
| April 6-8, 2006 Tornado Outbreak
| April 6 - 8, 2006
| Central - Southeastern United States
| -
| 11 fatalities
| At least 1 indirect fatality |
| Easter Week 2006 Tornado Outbreak Sequence
| April 13 - 19, 2006
| Midwestern United States
| -
| 1 fatality
| |
| North Texas tornado of May 2006
| May 9, 2006
| North Texas - Oklahoma
| -
| 3 fatalities
| At least seven tornadoes |
| Late-September 2006 Tornado Outbreak
| September 21 - 23, 2006
| Central United States
| 41
| 0
| |
| Mid-November 2006 tornado outbreak
| November, 2006
| North Carolina, Louisiana
| -
| 9 fatalities
| |
| 2007 Central Florida tornadoes
| February 2, 2007
| Florida
| 3
| 20 fatalities
| 3 confirmed tornadoes |
| February-March 2007 Tornado Outbreak
| February 28 - March 1, 2007
| Kansas, Missouri, Alabama, Georgia
| 49
| 20 fatalities
| Enterprise, Alabama, high school hit by tornado |
| Late-March 2007 Tornado Outbreak
| March 28 - March 31, 2007 | Texas, Oklahoma, Nebraska, Kansas, Colorado
| 80 confirmed
| 4 fatalities
| |
| Piedras Negras-Eagle Pass Tornadoes
| April 24, 2007
| Texas (United States), Coahuila (Mexico) Nebraska, Colorado
| -
| 13 fatalities
| See also: List of tornadoes from the Late-April 2007 tornado outbreak sequence |
| May 2007 Tornado Outbreak
| May 3 - May 5, 2007
| Kansas, Oklahoma, South Dakota, Colorado, Nebraska, Illinois
| 123 confirmed
| 10 fatalities
| Greensburg, Kansas devastated by an EF5 tornado |
| Mid-October 2007 tornado outbreak
| October 17 - October 19, 2007
| Midwest, Ohio Valley, Great Lakes, U.S. South
| 64 confirmed
| 5 fatalities, numerous injuries
| |
| January 2008 tornado outbreak sequence
| January 7 - January 9, 2008 | Southwest Missouri, northwest Arkansas, northeast Oklahoma, Midwest, U.S. South
| 71 confirmed
| 4 fatalities, several injuries
| |
| 2008 Super Tuesday tornado outbreak
| February 5 - February 6, 2008
| Tennessee, Kentucky, Arkansas, Mississippi, Alabama, Indiana, Texas
| 84 confirmed
| 59 fatalities, 200+ injuries
| Deadliest U.S. outbreak since 1985 United States-Canadian tornado outbreak on May 31, 1985 (5 violent, 9 killer) |
| 2008 Atlanta tornado outbreak
| March 14 - March 15, 2008
| Alabama, Georgia, North Carolina, South Carolina
| 45 confirmed
| 3 fatalities
| Tornado hits downtown Atlanta for the first time in history. |
| May 1-2, 2008 tornado outbreak
| May 1 - May 3, 2008
| Texas, Oklahoma, Kansas, Missouri, Iowa, Arkansas, Mississippi Alabama, Tennessee
| 62 Confirmed
| 6 fatalities |
| Mid-May 2008 tornado outbreak sequence
| May 7 - May 15, 2008
| Oklahoma, Missouri
| 147 confirmed
| 26 fatalities
| An EF4 tornado killed 22 people in Oklahoma and Missouri
See also: List of Mid-May 2008 tornado outbreak sequence tornadoes |
| Late-May 2008 tornado outbreak sequence
| May 22 - May 25, 2008
| Colorado, Kansas, Nebraska, Oklahoma, Wyoming, North Dakota, South Dakota, Minnesota, Iowa, Texas
| 234 confirmed
| 10 fatalities
| An EF5 tornado hits Parkersburg, Iowa.
See also: List of Late-May 2008 tornado outbreak sequence tornadoes |
| June 2008 tornado outbreak sequence
| June 3 - June 12
| Illinois, Iowa, Nebraska, Kansas
| 136 confirmed, 250+ reported
| 6 fatalities
| Third series of widespread tornado outbreaks. Tornadoes hit the Omaha-Council Bluffs area and Chicagoland. An EF4 tornado also hits Manhattan, KS. See also : List of June 2008 tornado outbreak sequence tornadoes |
| Event
| Date
| Area
| Tornadoes
| Casualties
| Notes |
| Bouctouche, New Brunswick tornado
| August 6, 1879
| Bouctouche, New Brunswick
| -
| 7 fatalities
| Easternmost violent tornado in North America |
| Late-May 1896 tornado outbreak
| May 24 - 25, 1896
| Upper Mississippi Valley - Great Lakes (Ontario)
| -
| ≥79 fatalities, >215 injuries
| |
| Regina Cyclone
| June 30, 1912
| Saskatchewan
| -
| 28 fatalities
| Deadliest Canadian tornado |
| Windsor - Tecumseh, Ontario Tornado of 1946
| June 17, 1946
| Michigan - Ontario
| 1
| ≈18 fatalities
| |
| Fort Frances, Ontario tornado
| June 25, 1946
| Minnesota - Northwestern Ontario
| 1
|
| Crossed the Rainy River, caused severe damage to Fort Frances, Ontario's waterfront |
| Sudbury, Ontario Tornado
| August 20, 1970
| Ontario, Canada
| -
| 6 fatalities
| 1 killer |
| Super Outbreak
| April 3 - 4, 1974
| Eastern United States - Ontario
| 148 total, 1 in Canada
| 315 fatalities total, 9 in Canada
| Largest and most intense recorded outbreak; mostly impacted the United States, but one tornado occurred in Ontario. |
| Woodstock, Ontario Tornado of August 1979
| August 7, 1979
| Ontario
| -
| 2 fatalities
| Two F4s strike the City of Woodstock and surrounding farmland, at the same time. |
| Edmonton Tornado
| July 31, 1987
| Alberta
| -
| ≥27 fatalities, ≥300 injuries
| Most destructive Canadian tornado (≥1 violent killer) |
| Illinois-Ontario Tornado Outbreak Sequence
| April 19 - 22, 1996
| Texas - Arkansas - Illinois - Indiana - Ontario
| >70
| -
| |
| Southeast Michigan Tornado Outbreak
| July 2, 1997
| Southeast Michigan - Southwestern Ontario
| 13
| 7 fatalities
| One tornado passed through some Detroit neighborhoods, the suburbs of Hamtramck, and Highland Park. One also touched down near Windsor, Ontario |
| Pine Lake, Alberta Tornado
| July 14, 2000
| Alberta
| -
| 12 fatalities
| |
| Elie, Manitoba Tornado
| June 22, 2007
| Manitoba
| 8
| 0 fatalities
| First confirmed F5 tornado in Canada's history. |
