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September 11

21 entries from the federal record fall on September 11, across every year it covers.

Tropical cyclones

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

  1. 1883Unnamed storm, category 2 near Brunswick County, NC
  2. 1884Unnamed storm, tropical storm near McIntosh County, GA
  3. 1954Edna, category 3 near Dare County, NC
  4. 1961Carla, category 4 near Nueces County, TX
  5. 1968Unnamed storm, tropical storm near New Haven County, CT
  6. 1971Fern, category 1 near Nueces County, TX
  7. 1982Chris, tropical storm near Cameron Parish, LA
  8. 1984Diana, category 3 near Berkeley County, SC
  9. 1998Frances, tropical storm near Cameron County, TX
  10. 2024Francine, category 2 near Terrebonne Parish, LA

Tornadoes

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

  1. 1960F3, 8.8 mile path Charleston, SC
  2. 1961F3, 0.1 mile path Jackson, TX
  3. 1961F3, 1 mile path Harris, TX
  4. 1977F3, 6.6 mile path Adams, NE; Clay, NE
  5. 1978F3, 22.5 mile path Frontier, NE; Dawson, NE

Deadly and costly storms

  1. 2021Excessive Heat, 13 deaths Pima; Pinal; Santa Cruz
  2. 2021Excessive Heat, 10 deaths La Paz; Maricopa; Pinal; Yuma
  3. 2013Flash Flood, 6 deaths, $648 million Adams; Arapahoe; Boulder; Broomfield

Earthquakes

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

  1. 1938M5.5, near Shelter Cove, California Mendocino County, CA
  2. 1938M5.8, near Ferndale, California Humboldt County, CA
  3. 1969M6.7, near Adak, Alaska Aleutians West Census Area, AK