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Reference

August 11

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

Tropical cyclones

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

  1. 1860Unnamed storm, category 3 near Lafourche Parish, LA
  2. 1911Unnamed storm, category 1 near Baldwin County, AL
  3. 1940Unnamed storm, category 2 near Colleton County, SC

Tornadoes

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

  1. 2002F4, 1 mile path Stutsman, ND
  2. 1958F3, 0.1 mile path Grand Forks, ND
  3. 1993F3, 17 mile path Duchesne, UT
  4. 2011EF3, 0.5 mile path Cherry, NE
  5. 1954F2, 1 mile path, 1 killed Aroostook, ME
  6. 1999F2, 4.3 mile path, 1 killed Salt Lake, UT

Deadly and costly storms

  1. 2016Flood, 12 deaths, $7.0 billion Ascension; East Baton Rouge; East Feliciana; Iberville
  2. 2002Heat, 8 deaths Berks; Bucks; Carbon; Chester
  3. 2018Heat, 7 deaths Clark
  4. 2016Excessive Heat, 6 deaths Philadelphia
  5. 2017Heat, 4 deaths Clark
  6. 2001Flash Flood, 3 deaths Coconino

Earthquakes

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

  1. 2026M5.2, near Naalehu, Hawaii Hawaii County, HI

Wildfires

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

  1. 2000Maloney Creek Fire, 131,297 acres ID, OR, WA
  2. 1996Fork Fire, 83,147 acres CA
  3. 2018Grass Valley Fire, 76,057 acres WA
  4. 2015Stickpin Fire, 54,091 acres WA
  5. 2000Salmon Challis Wilderness Complex (Little Pistol), 53,777 acres ID