November 21
18 entries from the federal record fall on November 21, across every year it covers.
Tropical cyclones
Storms at their strongest near the U.S. on this date.
- 1985Kate, category 2 near Bay County, FL
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1992F4, 128 mile path, 12 killed Leake, MS; Attala, MS; Choctaw, MS
- 1992F4, 30 mile path Harris, TX; Liberty, TX
- 1992F3, 32 mile path Harris, TX; Liberty, TX
- 1992F3, 6 mile path Calcasieu, LA
- 1992F3, 3 mile path Concordia, LA
- 1992F3, 38 mile path Catahoula, LA; Tensas, LA; Madison, LA
- 1992F3, 27 mile path Jefferson Davis, MS; Covington, MS
- 1997F3, 1 mile path Mobile, AL
Deadly and costly storms
- 2013Strong Wind, 8 deaths, $443,000 Alameda; Contra Costa; Marin; Napa
- 2013Winter Weather, 3 deaths, $330,000 Armstrong; Carson; Collingsworth; Dallam
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, on this date (local time).
- 1910M6.1, Near Tonopah Junction, Nevada Esmeralda County, NV
- 1910M5.0, Near Tonopah Junction, Nevada Esmeralda County, NV
- 1910M5.5, Near Tonopah Junction, Nevada Esmeralda County, NV
- 1935M5.6, near Volcano, Hawaii Hawaii County, HI
- 1952M6.2, near Cambria, CA San Luis Obispo County, CA
- 1986M5.1, near Ferndale, California Humboldt County, CA
- 1986M5.1, near Ferndale, California Humboldt County, CA