Archive for the “Weather” Category


Tornado wind speeds are ranked using the Enhanced Fujita (EF) Scale.  The speeds are as follows:

  • EF0 65–85 mph      (53.5% of all tornados)
  • EF1 86–110 mph    (31.6% of all tornados)
  • EF2 111–135 mph  (10.7% of all tornados)
  • EF3 136–165 mph  (3.4% of all tornados)
  • EF4 166–200 mph  (0.7% of all tornados)
  • EF5 >200 mph       (Less than 0.1% of all tornados)

The most recently recorded EF5 tornado occurred in Parkersburg, Iowa on May 25, 2008 and destroyed half of the town.

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