May 2011 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In May 2011, 4,055 hail, 2,836 damaging-wind and 328 tornado reports were logged on 30 storm days across 46 states. The largest hail reported was 6.00″ (softball size) in Kiowa County, OK on May 23, 2011. The most hail reports came on May 22, 2011 (492). Tornadoes killed 178.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← April 2011 All 2011 storm days June 2011 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of May 2011
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| May 25, 2011 | 467 | 501 | 94 | 4.50″ | 17 |
| May 22, 2011 | 492 | 283 | 48 | 4.50″ | 20 |
| May 26, 2011 | 392 | 359 | 14 | 4.25″ | 19 |
| May 24, 2011 | 275 | 305 | 49 | 6.00″ | 16 |
| May 23, 2011 | 227 | 329 | 18 | 6.00″ | 21 |
| May 10, 2011 | 344 | 92 | 1 | 4.50″ | 16 |
| May 11, 2011 | 225 | 156 | 16 | 4.25″ | 19 |
| May 21, 2011 | 283 | 36 | 18 | 5.25″ | 13 |
| May 12, 2011 | 258 | 70 | 3 | 4.25″ | 18 |
| May 29, 2011 | 77 | 179 | 4 | 2.00″ | 14 |
Largest hail reported in May 2011
| Day | Size | Location |
|---|---|---|
| May 23, 2011 | 6.00″ (softball) | Kiowa County, OK |
| May 24, 2011 | 6.00″ (softball) | Rush County, KS |
| May 21, 2011 | 5.25″ (softball) | Shawnee County, KS |
| May 21, 2011 | 5.00″ (softball) | Burnet County, TX |
| May 10, 2011 | 4.50″ (softball) | Florence County, SC |
| May 10, 2011 | 4.50″ (softball) | Horry County, SC |
| May 10, 2011 | 4.50″ (softball) | Horry County, SC |
| May 10, 2011 | 4.50″ (softball) | Georgetown County, SC |
| May 22, 2011 | 4.50″ (softball) | Carter County, OK |
| May 22, 2011 | 4.50″ (softball) | Brown County, TX |
Storm reports by state, May 2011
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 446 | 140 | 20 | 5.00″ |
| Kansas | 337 | 136 | 31 | 6.00″ |
| Missouri | 317 | 143 | 35 | 4.50″ |
| Ohio | 234 | 187 | 17 | 3.00″ |
| Indiana | 226 | 167 | 26 | 4.25″ |
| Illinois | 200 | 195 | 23 | 4.50″ |
| Oklahoma | 223 | 128 | 46 | 6.00″ |
| North Carolina | 163 | 120 | 0 | 2.50″ |
| Virginia | 128 | 137 | 1 | 2.00″ |
| Kentucky | 70 | 183 | 3 | 2.75″ |
| Nebraska | 164 | 68 | 13 | 4.00″ |
| Pennsylvania | 66 | 156 | 17 | 3.00″ |
| Minnesota | 183 | 37 | 11 | 3.20″ |
| New York | 98 | 126 | 0 | 2.00″ |
| Tennessee | 69 | 152 | 2 | 2.00″ |
| Iowa | 125 | 79 | 14 | 2.75″ |
| Wisconsin | 158 | 41 | 10 | 4.25″ |
| Arkansas | 114 | 83 | 10 | 2.00″ |
| South Carolina | 110 | 87 | 1 | 4.50″ |
| Michigan | 53 | 93 | 5 | 2.00″ |
| Georgia | 64 | 65 | 0 | 4.25″ |
| South Dakota | 67 | 32 | 7 | 2.00″ |
| Alabama | 33 | 65 | 7 | 1.75″ |
| Vermont | 66 | 33 | 0 | 2.50″ |
| Florida | 35 | 55 | 0 | 1.75″ |
| West Virginia | 62 | 24 | 0 | 2.00″ |
| Colorado | 66 | 4 | 7 | 2.50″ |
| Maryland | 45 | 9 | 3 | 2.75″ |
| Mississippi | 22 | 30 | 1 | 2.00″ |
| Louisiana | 28 | 10 | 6 | 2.50″ |
| North Dakota | 11 | 17 | 7 | 1.75″ |
| New Hampshire | 19 | 6 | 0 | 1.50″ |
| New Mexico | 17 | 1 | 0 | 2.75″ |
| Maine | 10 | 3 | 0 | 2.50″ |
| Massachusetts | 5 | 7 | 0 | 0.88″ |
| Washington | 7 | 4 | 1 | 1.00″ |
| Wyoming | 6 | 1 | 0 | 1.75″ |
| New Jersey | 1 | 5 | 0 | 1.50″ |
| California | 0 | 1 | 3 | – |
| Utah | 1 | 3 | 0 | 0.75″ |
| Nevada | 2 | 1 | 0 | 1.00″ |
| Delaware | 1 | 1 | 0 | 0.75″ |
| Oregon | 2 | 0 | 0 | 1.00″ |
| Alaska | 0 | 1 | 0 | – |
| Montana | 0 | 0 | 1 | – |
| Rhode Island | 1 | 0 | 0 | 0.88″ |
Every storm day in May 2011
May 1 May 2 May 3 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.