March 20
29 entries from the federal record fall on March 20, across every year it covers.
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1976F4, 3.8 mile path, 1 killed Oakland, MI
- 1976F4, 63.7 mile path Macon, IL; Piatt, IL; Champaign, IL
- 1976F4, 16.7 mile path Tippecanoe, IN; Carroll, IN
- 1998F3, 4 mile path, 12 killed Hall, GA; White, GA
- 2003F3, 25 mile path, 6 killed Mitchell, GA; Worth, GA
- 1998F3, 12 mile path, 2 killed Rockingham, NC
- 1974F3, 85.2 mile path, 1 killed San Augustine, TX; Sabine, TX; Sabine, LA
- 1976F3, 17.1 mile path, 1 killed Macomb, MI
- 1976F3, 49.4 mile path, 1 killed Webster, MS; Clay, MS; Monroe, MS
- 1955F3, 3.6 mile path Mississippi, MO
- 1957F3, 7.2 mile path Lee, TX
- 1957F3, 16.9 mile path Lee, TX; Burleson, TX
- 1974F3, 0.1 mile path Angelina, TX
- 1974F3, 44.7 mile path Sabine, TX; Natchitoches, LA; Winn, LA
- 1976F3, 8.8 mile path Montgomery, IL; Christian, IL
- 1976F3, 4.6 mile path West Carroll, LA; Chicot, AR
- 1976F3, 9.3 mile path Cullman, AL
- 1976F3, 19.2 mile path Blount, AL
- 1983F3, 2 mile path Washington, LA
- 1983F3, 1 mile path Greene, MS
- 1980F1, 0.1 mile path, 1 killed Clay, MS
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).
- 1920M5.5, near Rancho Tehama Reserve, California Tehama County, CA
- 1927M6.0, near Honoka‘a, Hawaii Hawaii County, HI
- 1950M5.5, near Mineral, California Shasta County, CA
- 1994M5.2, near Panorama City, California Los Angeles County, CA
- 1999M6.9, near Adak, Alaska Aleutians West Census Area, AK