August 31
15 entries from the federal record fall on August 31, across every year it covers.
Tropical cyclones
Storms at their strongest near the U.S. on this date.
- 1856Unnamed storm, category 2 near Walton County, FL
- 1898Unnamed storm, category 1 near Colleton County, SC
- 1952Able, category 2 near Beaufort County, SC
- 1954Carol, category 3 near New London County, CT
- 1993Emily, category 3 near Dare County, NC
- 2003Grace, tropical storm near Brazoria County, TX
- 2004Hermine, tropical storm near Dukes County, MA
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1977F4, 31.8 mile path Marathon, WI
- 1964F3, 8.3 mile path Ellis, KS
- 1975F1, 4.3 mile path, 2 killed Polk, MN
Deadly and costly storms
- 2014Heat, 3 deaths Roanoke; Roanoke city; Salem city
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, on this date (local time).
- 1954M5.8, near Lovelock, Nevada Churchill County, NV
Wildfires
Fires of 50,000 acres or more that began on this date.
- 2017Deer Creek Fire, 90,111 acres MT, WY
- 2020Evans Canyon Fire, 76,285 acres WA
- 2001Unnamed Fire, 55,218 acres NV