May 1991 storm reports: hail, wind and tornadoes
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In May 1991, 1,277 hail, 1,286 damaging-wind and 336 tornado reports were logged on 31 storm days across 44 states. The largest hail reported was 6.00″ (softball size) in Ward County, TX on May 10, 1991. The most hail reports came on May 4, 1991 (133).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← April 1991 All 1991 storm days June 1991 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of May 1991
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| May 4, 1991 | 133 | 130 | 12 | 4.50″ | 10 |
| May 28, 1991 | 100 | 150 | 16 | 5.00″ | 14 |
| May 16, 1991 | 105 | 44 | 48 | 4.00″ | 15 |
| May 29, 1991 | 89 | 53 | 21 | 4.00″ | 12 |
| May 5, 1991 | 19 | 133 | 10 | 2.00″ | 12 |
| May 17, 1991 | 52 | 77 | 11 | 3.00″ | 16 |
| May 30, 1991 | 39 | 78 | 19 | 2.75″ | 21 |
| May 26, 1991 | 83 | 40 | 12 | 4.00″ | 12 |
| May 1, 1991 | 21 | 105 | 6 | 2.75″ | 14 |
| May 2, 1991 | 35 | 57 | 18 | 2.75″ | 9 |
Largest hail reported in May 1991
| Day | Size | Location |
|---|---|---|
| May 10, 1991 | 6.00″ (softball) | Ward County, TX |
| May 10, 1991 | 5.00″ (softball) | Dawes County, NE |
| May 10, 1991 | 5.00″ (softball) | Dawes County, NE |
| May 28, 1991 | 5.00″ (softball) | Sanborn County, SD |
| May 4, 1991 | 4.50″ (softball) | Runnels County, TX |
| May 28, 1991 | 4.50″ (softball) | Kingsbury County, SD |
| May 28, 1991 | 4.50″ (softball) | Redwood County, MN |
| May 3, 1991 | 4.00″ (grapefruit) | Guadalupe County, TX |
| May 7, 1991 | 4.00″ (grapefruit) | Crosby County, TX |
| May 7, 1991 | 4.00″ (grapefruit) | Crosby County, TX |
Storm reports by state, May 1991
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 277 | 172 | 72 | 6.00″ |
| Kansas | 212 | 76 | 54 | 4.00″ |
| Oklahoma | 129 | 45 | 20 | 4.00″ |
| Colorado | 98 | 13 | 39 | 2.75″ |
| South Dakota | 88 | 29 | 18 | 5.00″ |
| Pennsylvania | 10 | 114 | 3 | 1.75″ |
| Nebraska | 54 | 34 | 29 | 5.00″ |
| New York | 3 | 94 | 3 | 2.75″ |
| Missouri | 70 | 24 | 2 | 2.75″ |
| Louisiana | 38 | 45 | 9 | 2.00″ |
| Wisconsin | 23 | 66 | 3 | 2.38″ |
| Georgia | 3 | 82 | 1 | 0.75″ |
| Minnesota | 40 | 33 | 9 | 4.50″ |
| Iowa | 38 | 27 | 10 | 3.00″ |
| Illinois | 24 | 36 | 13 | 2.75″ |
| Ohio | 17 | 49 | 1 | 1.75″ |
| Michigan | 7 | 51 | 5 | 1.75″ |
| Florida | 13 | 28 | 9 | 1.75″ |
| Alabama | 8 | 40 | 0 | 1.75″ |
| Mississippi | 9 | 31 | 2 | 1.75″ |
| Indiana | 9 | 27 | 4 | 1.75″ |
| Arkansas | 6 | 33 | 0 | 1.00″ |
| Wyoming | 23 | 2 | 8 | 3.50″ |
| New Mexico | 23 | 3 | 6 | 2.50″ |
| Montana | 14 | 5 | 7 | 3.00″ |
| Maryland | 2 | 22 | 0 | 1.75″ |
| North Dakota | 14 | 7 | 3 | 2.00″ |
| Virginia | 8 | 15 | 0 | 2.00″ |
| New Jersey | 3 | 17 | 0 | 1.00″ |
| Massachusetts | 0 | 19 | 0 | – |
| West Virginia | 3 | 14 | 0 | 1.00″ |
| South Carolina | 5 | 10 | 1 | 1.75″ |
| Idaho | 1 | 7 | 3 | 0.75″ |
| North Carolina | 4 | 2 | 0 | 2.00″ |
| New Hampshire | 0 | 3 | 1 | – |
| Vermont | 0 | 3 | 0 | – |
| Connecticut | 0 | 2 | 0 | – |
| Maine | 0 | 2 | 0 | – |
| District of Columbia | 0 | 1 | 0 | – |
| Delaware | 0 | 1 | 0 | – |
| Kentucky | 1 | 0 | 0 | 1.75″ |
| Oregon | 0 | 0 | 1 | – |
| Tennessee | 0 | 1 | 0 | – |
| Utah | 0 | 1 | 0 | – |
Every storm day in May 1991
May 1 May 2 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 24 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.