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The 1974 Super Outbreak was the second-largest tornado outbreak on record for a single 24-hour period, just behind the 2011 Super Outbreak. It was also the most violent tornado outbreak ever recorded, with 30 violent (F4 or F5 rated) tornadoes confirmed.
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.
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. ... CBS News. IRS ...
Tornado outbreak sequence of May 2004; List of tornadoes in the May 2004 tornado outbreak sequence; Southern Ontario tornado outbreak of 2005; List of tornadoes in the outbreak of May 22–27, 2008; Southern Ontario Tornado Outbreak of 2009; Tornado outbreak of June 5–6, 2010; 2011 Super Outbreak; 2011 Goderich tornado; Tornado outbreak of ...
April 3 – A tornado strikes Windsor, Ontario, killing 9 people. The tornado was part of the 1974 Super Outbreak. May 23 – The RCMP accepts applications from women for regular police duties for the first time. The first 32 women formed Troop 17, were sworn in on September 16, 1974, and graduated on March 3, 1975.
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]
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.
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