December 1970 storm reports: hail, wind and tornadoes
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In December 1970, 2 hail, 14 damaging-wind and 14 tornado reports were logged on 8 storm days across 11 states. The largest hail reported was 1.00″ (quarter size) in Manitowoc County, WI on December 1, 1970. The most hail reports came on December 1, 1970 (1).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← November 1970 All 1970 storm days January 1971 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of December 1970
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Dec 30, 1970 | 0 | 3 | 4 | – | 2 |
| Dec 3, 1970 | 0 | 5 | 1 | – | 3 |
| Dec 1, 1970 | 1 | 0 | 4 | 1.00″ | 1 |
| Dec 16, 1970 | 1 | 2 | 1 | 0.75″ | 3 |
| Dec 15, 1970 | 0 | 3 | 0 | – | 2 |
| Dec 23, 1970 | 0 | 1 | 1 | – | 1 |
| Dec 29, 1970 | 0 | 0 | 2 | – | 2 |
| Dec 2, 1970 | 0 | 0 | 1 | – | 1 |
Largest hail reported in December 1970
| Day | Size | Location |
|---|---|---|
| Dec 1, 1970 | 1.00″ (quarter) | Manitowoc County, WI |
| Dec 16, 1970 | 0.75″ (penny) | Glynn County, GA |
Storm reports by state, December 1970
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 0 | 3 | 3 | – |
| Wisconsin | 1 | 0 | 5 | 1.00″ |
| Georgia | 1 | 2 | 2 | 0.75″ |
| Mississippi | 0 | 1 | 2 | – |
| Ohio | 0 | 3 | 0 | – |
| Pennsylvania | 0 | 2 | 0 | – |
| Alabama | 0 | 1 | 0 | – |
| Florida | 0 | 1 | 0 | – |
| Louisiana | 0 | 0 | 1 | – |
| South Carolina | 0 | 1 | 0 | – |
| Utah | 0 | 0 | 1 | – |
Every storm day in December 1970
Dec 1 Dec 2 Dec 3 Dec 15 Dec 16 Dec 23 Dec 29 Dec 30
A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.