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Reference

September 20

22 entries from the federal record fall on September 20, across every year it covers.

Tropical cyclones

Storms at their strongest near the U.S. on this date.

  1. 1898Unnamed storm, tropical storm near Jefferson County, TX
  2. 1953Unnamed storm, tropical storm near Citrus County, FL
  3. 1967Beulah, category 3 near Cameron County, TX
  4. 1998Hermine, tropical storm near Terrebonne Parish, LA

Tornadoes

Tornadoes rated F3/EF3 or stronger, or that killed, on this date.

  1. 2000F4, 9 mile path, 1 killed Greene, OH
  2. 1967F3, 1 mile path, 4 killed Matagorda, TX
  3. 1965F3, 1 mile path Keokuk, IA
  4. 1967F3, 0.1 mile path Jackson, TX
  5. 1967F3, 4.3 mile path Lavaca, TX
  6. 1967F3, 5 mile path Comal, TX
  7. 1967F3, 2 mile path Lavaca, TX
  8. 1967F3, 1.5 mile path Aransas, TX
  9. 1967F3, 19.9 mile path Austin, TX
  10. 1967F3, 19.9 mile path Austin, TX
  11. 1980F3, 1.5 mile path Clay, IA
  12. 2002F3, 112 mile path Monroe, IN; Morgan, IN; Johnson, IN
  13. 1967F1, 0.1 mile path, 1 killed Wharton, TX

Deadly and costly storms

  1. 2009Flash Flood, 10 deaths, $268 million Baldwin; Barrow; Bartow; Carroll

Earthquakes

Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, on this date (local time).

  1. 1908M6.7, Island of Hawai`i, Hawaii Hawaii County, HI
  2. 1993M5.9, near Klamath Falls, Oregon Klamath County, OR
  3. 1993M6.0, near Klamath Falls, Oregon Klamath County, OR
  4. 1995M5.8, near Ridgecrest, California Kern County, CA