SPC Stats

Path length: 0.1 miles

Width:  10 yards

Fatalities:  2

Injuries:  9

Rating:  F2

County:  Pima

August 27, 1964:  The first tornado on record in Arizona to cause fatalities. It was a quick-hitting tornado later rated F2.  It hit an Indian Settlement near the San Xavier Mission about 4 miles from Tucson.  The Storm Data entry had no path length or width listed.  Thomas Grazulis states the tornado “moved erratically N, then W, then N again.”  An article in the Arizona Daily Star mentioned a 3 1/4 mile path.  

Mrs. Lucy Norris and her 9-month-old son, Marcian were killed.  They were crushed by a pile of adobe bricks.  Four dwellings were demolished and there was damage to the convent of the nuns of St. Francis.  

Tornado Path

Click Map To Enlarge

SPC coordinates:  Start: 32.20 / 111.02   

Note:  Exact tornado path may not be straight and/or continuous.

Newspaper Clippings

Discrepancies:

We gathered information for this event from the SPC & NCDC Databases, the August 1964 Storm Data Publication and Thomas Grazulis in Significant Tornadoes and found the following differences:

Path Length:

  • SPC has 0.1 path length.
  • NCDC has a path length of zero.
  • Grazulis and Storm Data have no path length listed.

Width:

  • SPC has a 10 yard width.
  • NCDC has a 33 yard width.
  • Grazulis and Storm Data have no width listed.

      Sources:

      The Storm Prediction Center

      NCDC Storm Events Database

      August 1964 Storm Data Publication

      newspapers.com

      Grazulis, Thomas P. (1993). Significant Tornadoes 1680-1991: A Chronology and Analysis of Events. St. Johnsbury, VT: The Tornado Project of Environmental Films. Page 1056.

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      Newspaper clips are embedded via newspapers.com. Please see their terms and conditions.

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