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Analysis

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Reference

October 31

10 entries from the federal record fall on October 31, across every year it covers.

Tropical cyclones

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

  1. 1887Unnamed storm, tropical storm near Dare County, NC
  2. 1899Unnamed storm, category 2 near Horry County, SC

Tornadoes

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

  1. 1958F3, 3.6 mile path Manatee, FL
  2. 1974F3, 2 mile path Anderson, TX
  3. 1984F3, 20 mile path Woodward, OK; Major, OK
  4. 1960F2, 0.1 mile path, 1 killed Lee, FL
  5. 1984F1, 1 mile path, 1 killed Osage, KS

Earthquakes

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

  1. 1935M5.9, The 1935 Helena, Montana Earthquakes (Largest Aftershock) Jefferson County, MT
  2. 1969M6.5, near Adak, Alaska Aleutians West Census Area, AK

Wildfires

Fires of 50,000 acres or more that began on this date.

  1. 1999Gap/Rough Creek Fire, 53,682 acres MT, ND