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Mind map

Edmonton Tornado

Ezra Kleine English

Mind map of the Edmonton tornado: Black Friday, F4 rating, casualties and damage

Mind map: Edmonton tornado

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Edmonton Tornado

  1. Friday, July 31, 1987

    • Also known as Black Friday
  2. Several other tornadoes touched down in central Alberta

    • One of the deadliest tornadoes in recent Alberta history
    • Rating was F4 tornado
    • Damage cost $332.27 million
    • Highest wind was 417 km/h
    • Largest hail was as large as a tennis ball
    • The maximum rainfall was 300 millimetres
    • There was a power outage
  3. The tornado lasted 1 hour

    • Killed 27 people
    • Injured over 300 peple
  4. Canada usually does not have many deadly tornadoes

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Description
Deadly tornado ripped through Edmonton in 1987
Created by
Ezra Kleine
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