About: 1967 Oak Lawn tornado outbreak

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The 1967 Oak Lawn tornado outbreak was a destructive tornado outbreak and severe weather event that occurred on April 21, 1967, across the Upper Midwest, in particular the towns of Belvidere and Oak Lawn, Illinois. Locally known as 'Black Friday,' it was the largest tornado outbreak of 1967 and one of the most notable to ever occur in the Chicago metropolitan area. The outbreak produced numerous and significant (F2+) tornadoes, with ten of them in Illinois alone. Included was one of just six documented violent (F4/F5) tornadoes in the Chicago metropolitan area since the area was first settled.

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  • The 1967 Oak Lawn tornado outbreak was a destructive tornado outbreak and severe weather event that occurred on April 21, 1967, across the Upper Midwest, in particular the towns of Belvidere and Oak Lawn, Illinois. Locally known as 'Black Friday,' it was the largest tornado outbreak of 1967 and one of the most notable to ever occur in the Chicago metropolitan area. The outbreak produced numerous and significant (F2+) tornadoes, with ten of them in Illinois alone. Included was one of just six documented violent (F4/F5) tornadoes in the Chicago metropolitan area since the area was first settled. (en)
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  • 1123167206 (xsd:integer)
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  • 1967-04-21 (xsd:date)
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  • Aerial view of several blocks of home foundations stripped bare with debris launched everywhere (en)
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  • Aerial view of tornado damage in Oak Lawn (en)
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  • 1 (xsd:integer)
  • 24 (xsd:integer)
  • 33 (xsd:integer)
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  • 2.5E7
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  • no (en)
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  • 3 (xsd:integer)
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  • F4 (en)
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  • 1967 (xsd:integer)
  • Belvidere, Illinois (en)
  • Lake Zurich, Illinois (en)
  • Oak Lawn–Evergreen Park–Chicago South Side, Illinois (en)
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  • the tornado outbreaks of 1967 (en)
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  • 45 (xsd:integer)
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  • 45 (xsd:integer)
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  • The 1967 Oak Lawn tornado outbreak was a destructive tornado outbreak and severe weather event that occurred on April 21, 1967, across the Upper Midwest, in particular the towns of Belvidere and Oak Lawn, Illinois. Locally known as 'Black Friday,' it was the largest tornado outbreak of 1967 and one of the most notable to ever occur in the Chicago metropolitan area. The outbreak produced numerous and significant (F2+) tornadoes, with ten of them in Illinois alone. Included was one of just six documented violent (F4/F5) tornadoes in the Chicago metropolitan area since the area was first settled. (en)
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  • 1967 Oak Lawn tornado outbreak (en)
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