March 31
30 entries from the federal record fall on March 31, across every year it covers.
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1973F4, 22.6 mile path, 7 killed Abbeville, SC; Greenwood, SC
- 1959F4, 10.4 mile path, 6 killed Hill, TX
- 2023EF4, 19.9 mile path Keokuk, IA; Washington, IA; Iowa, IA
- 1962F3, 6.9 mile path, 17 killed Santa Rosa, FL
- 2023EF3, 86 mile path, 9 killed Hardeman, TN; McNairy, TN; Hardin, TN
- 2023EF3, 40.9 mile path, 6 killed Jasper, IL; Crawford, IL; Sullivan, IN
- 2023EF3, 72.5 mile path, 4 killed Cross, AR; Crittenden, AR; Mississippi, AR
- 2022EF3, 12.1 mile path, 2 killed Washington, FL; Jackson, FL
- 2023EF3, 5.9 mile path, 2 killed Owen, IN; Monroe, IN
- 1961F3, 1 mile path, 1 killed Dooly, GA
- 1979F3, 12.7 mile path, 1 killed Barren, KY
- 2023EF3, 39.2 mile path, 1 killed Tipton, TN; Haywood, TN
- 1959F3, 3.8 mile path Creek, OK
- 1959F3, 6.8 mile path Cooke, TX
- 1959F3, 13.2 mile path Marshall, OK
- 1959F3, 2 mile path Logan, AR
- 1961F3, 8.2 mile path Russell, AL; Muscogee, GA
- 1962F3, 3 mile path Lowndes, MS
- 2023EF3, 34.2 mile path Pulaski, AR; Lonoke, AR
- 2023EF3, 26.1 mile path Wapello, IA; Keokuk, IA
- 2023EF3, 5.5 mile path Johnson, IN
- 2023EF3, 6.3 mile path Grant, IN
- 1973F2, 72.4 mile path, 2 killed Clayton, GA; Screven, GA; DeKalb, GA
- 2023EF1, 27.5 mile path, 1 killed Ogle, IL; Winnebago, IL; Boone, IL
Deadly and costly storms
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, on this date (local time).
- 1952M5.5, Western Montana Flathead County, MT
- 1973M5.1, near West Yellowstone, Montana Teton County, WY
- 1986M5.7, near East Foothills, California Santa Clara County, CA
- 2020M6.5, Stanley, Idaho Custer County, ID