May 2017 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In May 2017, 2,320 hail, 2,988 damaging-wind and 297 tornado reports were logged on 31 storm days across 47 states. The largest hail reported was 4.50″ (softball size) in Coleman County, TX on May 19, 2017. The most hail reports came on May 27, 2017 (342). Tornadoes killed 2.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
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Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of May 2017
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| May 27, 2017 | 342 | 444 | 14 | 4.25″ | 19 |
| May 18, 2017 | 264 | 312 | 58 | 2.85″ | 21 |
| May 17, 2017 | 88 | 299 | 15 | 2.00″ | 10 |
| May 16, 2017 | 183 | 125 | 21 | 4.00″ | 9 |
| May 1, 2017 | 2 | 311 | 15 | 1.50″ | 9 |
| May 19, 2017 | 121 | 127 | 34 | 4.50″ | 14 |
| May 15, 2017 | 185 | 92 | 1 | 2.75″ | 12 |
| May 31, 2017 | 134 | 109 | 2 | 2.75″ | 25 |
| May 28, 2017 | 60 | 140 | 5 | 3.00″ | 15 |
| May 11, 2017 | 115 | 75 | 12 | 4.25″ | 11 |
Largest hail reported in May 2017
| Day | Size | Location |
|---|---|---|
| May 19, 2017 | 4.50″ (softball) | Coleman County, TX |
| May 11, 2017 | 4.25″ (grapefruit) | Logan County, OK |
| May 27, 2017 | 4.25″ (grapefruit) | Bates County, MO |
| May 27, 2017 | 4.25″ (grapefruit) | Okfuskee County, OK |
| May 10, 2017 | 4.00″ (grapefruit) | Cottle County, TX |
| May 11, 2017 | 4.00″ (grapefruit) | Marion County, AR |
| May 16, 2017 | 4.00″ (grapefruit) | Beckham County, OK |
| May 16, 2017 | 4.00″ (grapefruit) | Beckham County, OK |
| May 27, 2017 | 4.00″ (grapefruit) | McClain County, OK |
| May 16, 2017 | 3.50″ (teacup) | Beaver County, OK |
Storm reports by state, May 2017
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 424 | 170 | 39 | 4.50″ |
| Oklahoma | 273 | 163 | 57 | 4.25″ |
| Kansas | 291 | 144 | 29 | 3.00″ |
| Missouri | 193 | 169 | 28 | 4.25″ |
| Iowa | 106 | 247 | 8 | 2.50″ |
| North Carolina | 27 | 234 | 12 | 1.75″ |
| New York | 66 | 192 | 1 | 2.50″ |
| Virginia | 81 | 143 | 10 | 3.00″ |
| Wisconsin | 59 | 125 | 3 | 3.00″ |
| Pennsylvania | 21 | 150 | 12 | 1.75″ |
| Colorado | 139 | 12 | 8 | 3.00″ |
| Illinois | 45 | 92 | 10 | 2.75″ |
| Alabama | 3 | 141 | 0 | 1.00″ |
| Tennessee | 16 | 120 | 2 | 2.25″ |
| Kentucky | 55 | 76 | 0 | 2.00″ |
| Louisiana | 32 | 73 | 14 | 2.75″ |
| Georgia | 20 | 74 | 21 | 1.75″ |
| Ohio | 24 | 76 | 10 | 1.50″ |
| New Mexico | 83 | 19 | 7 | 2.00″ |
| Arkansas | 46 | 60 | 1 | 4.00″ |
| South Carolina | 26 | 63 | 10 | 2.75″ |
| Nebraska | 40 | 41 | 4 | 1.75″ |
| Indiana | 27 | 51 | 5 | 2.00″ |
| Minnesota | 58 | 20 | 2 | 2.50″ |
| Florida | 16 | 60 | 2 | 2.75″ |
| Mississippi | 3 | 54 | 0 | 1.00″ |
| Massachusetts | 29 | 18 | 0 | 1.25″ |
| Vermont | 13 | 24 | 0 | 1.50″ |
| Montana | 12 | 23 | 0 | 1.25″ |
| New Hampshire | 10 | 25 | 0 | 1.75″ |
| Maryland | 6 | 25 | 0 | 1.00″ |
| West Virginia | 9 | 20 | 0 | 1.50″ |
| South Dakota | 7 | 21 | 0 | 1.75″ |
| Wyoming | 20 | 5 | 1 | 2.00″ |
| Oregon | 16 | 4 | 0 | 2.00″ |
| Utah | 0 | 17 | 0 | – |
| New Jersey | 7 | 6 | 0 | 1.00″ |
| Nevada | 7 | 4 | 0 | 1.50″ |
| Washington | 3 | 5 | 0 | 1.25″ |
| Maine | 1 | 6 | 0 | 0.88″ |
| Idaho | 0 | 6 | 0 | – |
| North Dakota | 0 | 5 | 0 | – |
| Michigan | 2 | 2 | 0 | 0.88″ |
| Connecticut | 2 | 1 | 0 | 1.00″ |
| California | 1 | 0 | 1 | 1.00″ |
| District of Columbia | 0 | 2 | 0 | – |
| Delaware | 1 | 0 | 0 | 0.75″ |
Every storm day in May 2017
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.