July 1978 storm reports: hail, wind and tornadoes
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In July 1978, 164 hail, 429 damaging-wind and 143 tornado reports were logged on 31 storm days across 40 states. The largest hail reported was 4.50″ (softball size) in Livingston County, MI on July 26, 1978. The most hail reports came on July 26, 1978 (21). Tornadoes killed 11.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← June 1978 All 1978 storm days August 1978 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of July 1978
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Jul 5, 1978 | 17 | 31 | 15 | 2.75″ | 11 |
| Jul 4, 1978 | 8 | 33 | 17 | 4.00″ | 7 |
| Jul 6, 1978 | 12 | 36 | 6 | 2.75″ | 10 |
| Jul 26, 1978 | 21 | 27 | 5 | 4.50″ | 8 |
| Jul 14, 1978 | 6 | 35 | 4 | 2.75″ | 10 |
| Jul 1, 1978 | 5 | 19 | 8 | 1.75″ | 11 |
| Jul 23, 1978 | 1 | 26 | 5 | 1.75″ | 8 |
| Jul 8, 1978 | 14 | 15 | 0 | 3.00″ | 7 |
| Jul 24, 1978 | 5 | 19 | 4 | 2.75″ | 7 |
| Jul 10, 1978 | 3 | 20 | 4 | 2.00″ | 15 |
Largest hail reported in July 1978
| Day | Size | Location |
|---|---|---|
| Jul 26, 1978 | 4.50″ (softball) | Livingston County, MI |
| Jul 26, 1978 | 4.50″ (softball) | Macomb County, MI |
| Jul 4, 1978 | 4.00″ (grapefruit) | Cass County, ND |
| Jul 19, 1978 | 3.50″ (teacup) | Alger County, MI |
| Jul 8, 1978 | 3.00″ (teacup) | Loup County, NE |
| Jul 26, 1978 | 3.00″ (teacup) | Carroll County, IL |
| Jul 4, 1978 | 2.75″ (baseball) | Washakie County, WY |
| Jul 5, 1978 | 2.75″ (baseball) | Sioux County, IA |
| Jul 5, 1978 | 2.75″ (baseball) | Clay County, IA |
| Jul 6, 1978 | 2.75″ (baseball) | Smith County, KS |
Storm reports by state, July 1978
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| North Dakota | 12 | 61 | 13 | 4.00″ |
| Minnesota | 22 | 28 | 13 | 2.75″ |
| Nebraska | 27 | 25 | 7 | 3.00″ |
| South Dakota | 12 | 30 | 13 | 2.00″ |
| Missouri | 4 | 43 | 0 | 1.75″ |
| Kansas | 3 | 38 | 5 | 2.75″ |
| Iowa | 10 | 15 | 12 | 2.75″ |
| Illinois | 11 | 18 | 1 | 3.00″ |
| Indiana | 8 | 18 | 3 | 2.75″ |
| Pennsylvania | 1 | 22 | 2 | 2.00″ |
| Texas | 3 | 9 | 13 | 2.00″ |
| Michigan | 11 | 10 | 0 | 4.50″ |
| Wyoming | 8 | 5 | 7 | 2.75″ |
| Montana | 3 | 7 | 8 | 2.00″ |
| Wisconsin | 3 | 10 | 5 | 2.50″ |
| Colorado | 8 | 2 | 6 | 2.00″ |
| Florida | 1 | 2 | 11 | 1.00″ |
| Oklahoma | 1 | 11 | 0 | 1.00″ |
| Alabama | 0 | 10 | 1 | – |
| North Carolina | 2 | 7 | 1 | 1.00″ |
| New York | 2 | 5 | 1 | 1.75″ |
| Ohio | 2 | 3 | 3 | 1.00″ |
| Arkansas | 0 | 3 | 4 | – |
| Georgia | 0 | 6 | 1 | – |
| South Carolina | 0 | 5 | 2 | – |
| Tennessee | 2 | 5 | 0 | 1.75″ |
| Virginia | 1 | 6 | 0 | 1.50″ |
| Louisiana | 0 | 5 | 1 | – |
| Maryland | 1 | 3 | 2 | 1.75″ |
| Maine | 1 | 4 | 1 | 1.00″ |
| Arizona | 2 | 2 | 0 | 1.75″ |
| Kentucky | 0 | 4 | 0 | – |
| Mississippi | 0 | 3 | 1 | – |
| New Mexico | 0 | 2 | 1 | – |
| District of Columbia | 1 | 1 | 0 | 0.75″ |
| Idaho | 1 | 1 | 0 | 1.75″ |
| Massachusetts | 1 | 0 | 1 | 0.75″ |
| Washington | 0 | 0 | 2 | – |
| New Hampshire | 0 | 0 | 1 | – |
| West Virginia | 0 | 0 | 1 | – |
Every storm day in July 1978
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.