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The 1974 Super Outbreak was the second-largest tornado outbreak on record for a ... An F3 tornado was confirmed in Ontario. This tornado outbreak produced the most ...
Tracks of the 1974 Super Outbreak's 147 known tornadoes in the United States and fatalities by county. This is the list of tornadoes confirmed that occurred during the record-breaking 1974 Super Outbreak tornado event that occurred on April 3–4, 1974 across the eastern half of the United States and in Ontario, Canada.
A destructive outbreak ended only 17 hours before the Super Outbreak began in the same areas. (10 significant, 3 violent, 4 killer) [114] 1974 Super Outbreak: April 3–4, 1974: Eastern United States – Ontario: 148: 315 fatalities: The second-largest and most violent tornado outbreak ever documented. At least 50 of them were killers.
Wednesday marks the 50th anniversary of the 1974 Super Outbreak, the 24-hour period between April 3 and April 4 during which 148 tornadoes touched down in 13 different states. Thirty-nine people ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
List of tornadoes in the 1974 Super Outbreak; 1974 Super Outbreak; 1979 Woodstock, Ontario, tornado; 1985 United States–Canada tornado outbreak; 1985 Barrie tornado; 1996 Southern Ontario tornadoes; Tornado outbreak sequence of April 1996; Tornado outbreak of July 1–3, 1997; Late-May 1998 tornado outbreak and derecho; Tornado outbreak ...
The same storm system spawned an outbreak of fourteen confirmed tornadoes [19] mostly concentrated north of Peterborough in the Haliburton, Kawartha and Madawaska areas, which damaged cottages in the area, some severely. It was the most tornadoes confirmed in Ontario in a single 24-hour span day since 1985 and matched the annual provincial average.
1974 Super Outbreak. 1974 Xenia tornado; Tornado outbreak of June 8, 1974; ... Southern Ontario tornado outbreak of 2005; Hurricane Katrina tornado outbreak;