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Arizona "eddy" tornadoes
  • Published Date:
Filetype[PDF - 1.02 MB]

  • Personal Authors:
  • Corporate Authors:
    United States, National Weather Service., Western Region,
  • Series:
    NOAA technical memorandum NWSTM WR ; 91
    Western region technical memorandum ; no. 91
    NOAA technical memorandum NWS WR ; 91
  • Document Type:
  • Description:
    "The number of tornadoes and funnel clouds reported in Arizona per year has increased dramatically in the past 10 years--from 1 in 1963 to 20 in 1972. This increase is not believed to be related to changing meteoroloical conditions, but to other factors such as: 1. Increase in population; 2. Increase in public awareness due to disaster publicity; 3. Over-reaction due to the 1971 tornado in Tempe, and 4. The fact that not alI localized circular storms are true tornadoes"--Page 1.

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