March 11
17 entries from the federal record fall on March 11, across every year it covers.
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1963F4, 28 mile path, 2 killed Cullman, AL
- 1963F4, 45.2 mile path, 2 killed Attala, MS; Choctaw, MS; Oktibbeha, MS
- 2006F3, 53.5 mile path, 2 killed Perry, MO; Ste. Genevieve, MO
- 1962F3, 3 mile path Boone, IN
- 1963F3, 2 mile path Kaufman, TX
- 1968F3, 1 mile path Natchitoches, LA
- 2006F3, 5.1 mile path Jefferson, MO; Monroe, IL
- 1963F2, 47.2 mile path, 1 killed Limestone, AL; Madison, AL
- 1963F2, 6.2 mile path, 1 killed Cocke, TN
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).
- 1933M5.0, near Carson, California Los Angeles County, CA
- 1957M7.0, near Adak, Alaska Aleutians West Census Area, AK
- 1957M6.5, near Atka, Alaska Aleutians West Census Area, AK
- 1977M5.2, near Hebgen Lake Estates, Montana Madison County, MT