May 1963 storm reports: hail, wind and tornadoes
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In May 1963, 175 hail, 126 damaging-wind and 71 tornado reports were logged on 29 storm days across 37 states. The largest hail reported was 5.00″ (softball size) in Sedgwick County, KS on May 25, 1963. The most hail reports came on May 4, 1963 (25). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← April 1963 All 1963 storm days June 1963 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of May 1963
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| May 4, 1963 | 25 | 10 | 5 | 4.50″ | 9 |
| May 26, 1963 | 16 | 10 | 11 | 4.00″ | 8 |
| May 27, 1963 | 17 | 12 | 6 | 3.50″ | 11 |
| May 25, 1963 | 14 | 9 | 4 | 5.00″ | 8 |
| May 14, 1963 | 10 | 9 | 5 | 2.75″ | 7 |
| May 29, 1963 | 11 | 5 | 6 | 1.75″ | 7 |
| May 20, 1963 | 1 | 10 | 8 | 1.00″ | 9 |
| May 5, 1963 | 3 | 10 | 2 | 1.75″ | 2 |
| May 10, 1963 | 8 | 6 | 0 | 4.50″ | 8 |
| May 15, 1963 | 9 | 4 | 1 | 2.00″ | 4 |
Largest hail reported in May 1963
| Day | Size | Location |
|---|---|---|
| May 25, 1963 | 5.00″ (softball) | Sedgwick County, KS |
| May 4, 1963 | 4.50″ (softball) | Coffey County, KS |
| May 10, 1963 | 4.50″ (softball) | Tulsa County, OK |
| May 21, 1963 | 4.50″ (softball) | Parmer County, TX |
| May 25, 1963 | 4.00″ (grapefruit) | Kiowa County, OK |
| May 26, 1963 | 4.00″ (grapefruit) | Oklahoma County, OK |
| May 27, 1963 | 3.50″ (teacup) | Collin County, TX |
| May 30, 1963 | 3.50″ (teacup) | Eddy County, NM |
| May 26, 1963 | 3.00″ (teacup) | Oklahoma County, OK |
| May 27, 1963 | 3.00″ (teacup) | Wise County, TX |
Storm reports by state, May 1963
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 35 | 32 | 19 | 4.50″ |
| Oklahoma | 43 | 8 | 11 | 4.50″ |
| Kansas | 23 | 10 | 5 | 5.00″ |
| Missouri | 11 | 9 | 5 | 2.00″ |
| Nebraska | 10 | 11 | 3 | 2.50″ |
| Iowa | 6 | 3 | 5 | 2.75″ |
| New Mexico | 8 | 4 | 2 | 3.50″ |
| North Carolina | 4 | 2 | 4 | 2.00″ |
| Florida | 4 | 3 | 2 | 1.00″ |
| Michigan | 4 | 4 | 0 | 2.00″ |
| Georgia | 0 | 6 | 1 | – |
| Tennessee | 3 | 3 | 0 | 1.50″ |
| Wisconsin | 4 | 2 | 0 | 1.50″ |
| Colorado | 4 | 1 | 0 | 2.50″ |
| Massachusetts | 0 | 1 | 4 | – |
| New Hampshire | 0 | 1 | 4 | – |
| Pennsylvania | 0 | 5 | 0 | – |
| Alabama | 0 | 3 | 1 | – |
| Indiana | 2 | 1 | 1 | 2.00″ |
| Maine | 0 | 3 | 1 | – |
| Minnesota | 2 | 2 | 0 | 1.00″ |
| South Dakota | 3 | 1 | 0 | 3.00″ |
| Arkansas | 0 | 3 | 0 | – |
| Ohio | 1 | 0 | 2 | 1.50″ |
| South Carolina | 2 | 0 | 1 | 1.50″ |
| Louisiana | 2 | 0 | 0 | 0.75″ |
| New Jersey | 0 | 2 | 0 | – |
| Connecticut | 0 | 1 | 0 | – |
| Kentucky | 0 | 1 | 0 | – |
| Maryland | 0 | 1 | 0 | – |
| Mississippi | 1 | 0 | 0 | 1.75″ |
| Montana | 1 | 0 | 0 | 0.75″ |
| North Dakota | 0 | 1 | 0 | – |
| New York | 0 | 1 | 0 | – |
| Oregon | 1 | 0 | 0 | 0.75″ |
| Utah | 1 | 0 | 0 | 0.75″ |
| Wyoming | 0 | 1 | 0 | – |
Every storm day in May 1963
May 1 May 3 May 4 May 5 May 6 May 7 May 8 May 9 May 10 May 11 May 12 May 13 May 14 May 15 May 16 May 17 May 18 May 19 May 20 May 21 May 22 May 23 May 25 May 26 May 27 May 28 May 29 May 30 May 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.