July 1970 storm reports: hail, wind and tornadoes
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In July 1970, 93 hail, 423 damaging-wind and 81 tornado reports were logged on 30 storm days across 46 states. The largest hail reported was 5.00″ (softball size) in Turner County, SD on July 14, 1970. The most hail reports came on July 14, 1970 (17). Tornadoes killed 3.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← June 1970 All 1970 storm days August 1970 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of July 1970
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Jul 2, 1970 | 2 | 49 | 5 | 0.75″ | 12 |
| Jul 14, 1970 | 17 | 29 | 8 | 5.00″ | 11 |
| Jul 4, 1970 | 3 | 44 | 4 | 1.75″ | 12 |
| Jul 3, 1970 | 5 | 35 | 3 | 1.75″ | 16 |
| Jul 31, 1970 | 4 | 31 | 3 | 2.75″ | 11 |
| Jul 18, 1970 | 4 | 27 | 5 | 1.75″ | 10 |
| Jul 15, 1970 | 1 | 23 | 5 | 0.75″ | 11 |
| Jul 16, 1970 | 6 | 17 | 2 | 1.50″ | 12 |
| Jul 13, 1970 | 6 | 14 | 2 | 2.75″ | 9 |
| Jul 1, 1970 | 3 | 14 | 3 | 3.00″ | 5 |
Largest hail reported in July 1970
| Day | Size | Location |
|---|---|---|
| Jul 14, 1970 | 5.00″ (softball) | Turner County, SD |
| Jul 1, 1970 | 3.00″ (teacup) | Turner County, SD |
| Jul 1, 1970 | 3.00″ (teacup) | Deuel County, SD |
| Jul 14, 1970 | 3.00″ (teacup) | Hutchinson County, SD |
| Jul 14, 1970 | 3.00″ (teacup) | Deuel County, SD |
| Jul 13, 1970 | 2.75″ (baseball) | Wibaux County, MT |
| Jul 14, 1970 | 2.75″ (baseball) | Minnehaha County, SD |
| Jul 14, 1970 | 2.75″ (baseball) | Turner County, SD |
| Jul 30, 1970 | 2.75″ (baseball) | Perkins County, SD |
| Jul 31, 1970 | 2.75″ (baseball) | Leavenworth County, KS |
Storm reports by state, July 1970
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Iowa | 2 | 44 | 5 | 2.00″ |
| South Dakota | 18 | 10 | 6 | 5.00″ |
| Nebraska | 7 | 21 | 2 | 2.00″ |
| Minnesota | 5 | 17 | 6 | 1.75″ |
| Kansas | 4 | 21 | 1 | 2.75″ |
| North Carolina | 0 | 26 | 0 | – |
| Pennsylvania | 0 | 22 | 4 | – |
| Wisconsin | 2 | 15 | 8 | 2.00″ |
| Florida | 1 | 7 | 15 | 0.75″ |
| Illinois | 2 | 16 | 2 | 1.75″ |
| Georgia | 0 | 16 | 3 | – |
| Indiana | 2 | 16 | 0 | 0.75″ |
| Michigan | 4 | 14 | 0 | 1.75″ |
| Montana | 9 | 8 | 0 | 2.75″ |
| North Dakota | 4 | 10 | 2 | 2.00″ |
| Idaho | 7 | 7 | 0 | 2.00″ |
| Mississippi | 1 | 12 | 1 | 1.00″ |
| Kentucky | 0 | 13 | 0 | – |
| Ohio | 2 | 9 | 2 | 1.75″ |
| Virginia | 1 | 10 | 2 | 0.75″ |
| Missouri | 1 | 9 | 2 | 1.00″ |
| Louisiana | 0 | 9 | 2 | – |
| New York | 0 | 10 | 1 | – |
| South Carolina | 2 | 9 | 0 | 1.75″ |
| Oklahoma | 1 | 7 | 2 | 0.75″ |
| Texas | 2 | 3 | 5 | 1.75″ |
| Alabama | 2 | 6 | 1 | 1.75″ |
| Maryland | 1 | 8 | 0 | 0.75″ |
| Colorado | 3 | 3 | 2 | 1.25″ |
| Vermont | 4 | 4 | 0 | 1.50″ |
| Arizona | 1 | 5 | 1 | 1.00″ |
| Tennessee | 1 | 5 | 1 | 1.00″ |
| Delaware | 0 | 6 | 0 | – |
| New Hampshire | 1 | 3 | 2 | 2.00″ |
| Arkansas | 0 | 5 | 0 | – |
| Massachusetts | 0 | 3 | 1 | – |
| California | 0 | 3 | 0 | – |
| New Jersey | 0 | 2 | 1 | – |
| Connecticut | 0 | 2 | 0 | – |
| Maine | 2 | 0 | 0 | 1.50″ |
| Nevada | 0 | 2 | 0 | – |
| Oregon | 0 | 2 | 0 | – |
| West Virginia | 0 | 2 | 0 | – |
| New Mexico | 0 | 0 | 1 | – |
| Washington | 1 | 0 | 0 | 1.00″ |
| Wyoming | 0 | 1 | 0 | – |
Every storm day in July 1970
Jul 1 Jul 2 Jul 3 Jul 4 Jul 5 Jul 6 Jul 7 Jul 8 Jul 9 Jul 10 Jul 11 Jul 12 Jul 13 Jul 14 Jul 15 Jul 16 Jul 17 Jul 18 Jul 19 Jul 20 Jul 21 Jul 22 Jul 24 Jul 25 Jul 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31
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.