July 1977 storm reports: hail, wind and tornadoes
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In July 1977, 145 hail, 395 damaging-wind and 99 tornado reports were logged on 31 storm days across 42 states. The largest hail reported was 4.50″ (softball size) in Pennington County, SD on July 6, 1977. The most hail reports came on July 30, 1977 (14). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← June 1977 All 1977 storm days August 1977 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of July 1977
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Jul 4, 1977 | 7 | 35 | 7 | 2.00″ | 9 |
| Jul 6, 1977 | 11 | 31 | 7 | 4.50″ | 13 |
| Jul 10, 1977 | 7 | 22 | 14 | 3.50″ | 10 |
| Jul 7, 1977 | 12 | 23 | 6 | 2.75″ | 16 |
| Jul 16, 1977 | 8 | 28 | 1 | 2.50″ | 10 |
| Jul 30, 1977 | 14 | 14 | 7 | 1.75″ | 8 |
| Jul 21, 1977 | 3 | 29 | 2 | 1.75″ | 15 |
| Jul 8, 1977 | 6 | 24 | 3 | 1.75″ | 14 |
| Jul 13, 1977 | 10 | 13 | 8 | 2.00″ | 14 |
| Jul 15, 1977 | 7 | 22 | 2 | 2.00″ | 12 |
Largest hail reported in July 1977
| Day | Size | Location |
|---|---|---|
| Jul 6, 1977 | 4.50″ (softball) | Pennington County, SD |
| Jul 31, 1977 | 4.50″ (softball) | Washita County, OK |
| Jul 10, 1977 | 3.50″ (teacup) | Clay County, NE |
| Jul 6, 1977 | 3.00″ (teacup) | Holt County, NE |
| Jul 6, 1977 | 3.00″ (teacup) | Harlan County, NE |
| Jul 6, 1977 | 2.75″ (baseball) | Pierce County, ND |
| Jul 7, 1977 | 2.75″ (baseball) | Morgan County, CO |
| Jul 7, 1977 | 2.75″ (baseball) | Weld County, CO |
| Jul 19, 1977 | 2.75″ (baseball) | Morrill County, NE |
| Jul 31, 1977 | 2.75″ (baseball) | Prowers County, CO |
Storm reports by state, July 1977
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Wisconsin | 6 | 51 | 5 | 1.00″ |
| North Dakota | 13 | 24 | 9 | 2.75″ |
| Nebraska | 17 | 15 | 8 | 3.50″ |
| Minnesota | 14 | 13 | 9 | 2.50″ |
| South Dakota | 8 | 12 | 10 | 4.50″ |
| Alabama | 6 | 21 | 2 | 1.75″ |
| Michigan | 4 | 15 | 10 | 2.00″ |
| Pennsylvania | 6 | 19 | 3 | 1.75″ |
| Ohio | 8 | 16 | 0 | 2.00″ |
| Illinois | 1 | 18 | 1 | 1.00″ |
| Kansas | 8 | 11 | 1 | 2.75″ |
| Texas | 5 | 10 | 5 | 1.75″ |
| Mississippi | 1 | 16 | 2 | 1.75″ |
| North Carolina | 3 | 12 | 4 | 1.75″ |
| Kentucky | 6 | 12 | 0 | 1.75″ |
| Virginia | 3 | 10 | 4 | 2.50″ |
| Florida | 3 | 5 | 8 | 1.25″ |
| Iowa | 4 | 7 | 4 | 1.75″ |
| Louisiana | 1 | 12 | 2 | 1.75″ |
| Missouri | 2 | 12 | 0 | 1.75″ |
| Oklahoma | 2 | 10 | 2 | 4.50″ |
| Colorado | 4 | 4 | 4 | 2.75″ |
| Arkansas | 2 | 8 | 1 | 1.75″ |
| Georgia | 1 | 8 | 2 | 1.75″ |
| Indiana | 2 | 6 | 1 | 1.75″ |
| New Hampshire | 0 | 7 | 0 | – |
| New York | 0 | 7 | 0 | – |
| South Carolina | 0 | 7 | 0 | – |
| Wyoming | 6 | 1 | 0 | 1.75″ |
| West Virginia | 1 | 4 | 1 | 1.00″ |
| Maryland | 0 | 5 | 0 | – |
| Tennessee | 2 | 3 | 0 | 1.75″ |
| Arizona | 0 | 3 | 1 | – |
| Utah | 1 | 3 | 0 | 1.00″ |
| Delaware | 1 | 1 | 0 | 0.75″ |
| Maine | 1 | 1 | 0 | 0.75″ |
| Montana | 1 | 1 | 0 | 0.75″ |
| New Jersey | 1 | 1 | 0 | 0.75″ |
| New Mexico | 1 | 1 | 0 | 0.75″ |
| Massachusetts | 0 | 1 | 0 | – |
| Nevada | 0 | 1 | 0 | – |
| Vermont | 0 | 1 | 0 | – |
Every storm day in July 1977
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 23 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.