August 2015 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In August 2015, 1,020 hail, 1,739 damaging-wind and 46 tornado reports were logged on 31 storm days across 48 states. The largest hail reported was 4.50″ (softball size) in Ogemaw County, MI on August 2, 2015. The most hail reports came on August 2, 2015 (233).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 2015 All 2015 storm days September 2015 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 2015
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 2, 2015 | 233 | 129 | 5 | 4.50″ | 11 |
| Aug 3, 2015 | 122 | 232 | 2 | 2.50″ | 20 |
| Aug 4, 2015 | 138 | 115 | 1 | 2.50″ | 18 |
| Aug 7, 2015 | 52 | 123 | 0 | 3.50″ | 13 |
| Aug 6, 2015 | 31 | 129 | 11 | 1.75″ | 15 |
| Aug 8, 2015 | 37 | 82 | 5 | 2.00″ | 14 |
| Aug 18, 2015 | 32 | 80 | 9 | 2.75″ | 14 |
| Aug 9, 2015 | 43 | 70 | 1 | 2.00″ | 11 |
| Aug 5, 2015 | 16 | 85 | 0 | 1.50″ | 15 |
| Aug 14, 2015 | 30 | 66 | 0 | 1.75″ | 9 |
Largest hail reported in August 2015
| Day | Size | Location |
|---|---|---|
| Aug 2, 2015 | 4.50″ (softball) | Ogemaw County, MI |
| Aug 12, 2015 | 4.25″ (grapefruit) | Roseau County, MN |
| Aug 2, 2015 | 4.00″ (grapefruit) | Oconto County, WI |
| Aug 2, 2015 | 4.00″ (grapefruit) | Oconto County, WI |
| Aug 12, 2015 | 4.00″ (grapefruit) | Roseau County, MN |
| Aug 2, 2015 | 3.75″ (teacup) | Waukesha County, WI |
| Aug 7, 2015 | 3.50″ (teacup) | Morgan County, CO |
| Aug 2, 2015 | 3.00″ (teacup) | Sawyer County, WI |
| Aug 2, 2015 | 3.00″ (teacup) | Wood County, WI |
| Aug 2, 2015 | 3.00″ (teacup) | Milwaukee County, WI |
Storm reports by state, August 2015
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Michigan | 55 | 110 | 1 | 4.50″ |
| Minnesota | 113 | 46 | 7 | 4.25″ |
| Wisconsin | 125 | 32 | 4 | 4.00″ |
| Kansas | 79 | 72 | 2 | 2.75″ |
| Massachusetts | 61 | 77 | 0 | 2.00″ |
| South Dakota | 61 | 62 | 4 | 2.00″ |
| Georgia | 2 | 113 | 0 | 1.00″ |
| Texas | 23 | 92 | 0 | 1.75″ |
| Maine | 52 | 55 | 0 | 2.50″ |
| Florida | 7 | 94 | 4 | 1.00″ |
| Nebraska | 58 | 42 | 3 | 2.50″ |
| Missouri | 13 | 82 | 0 | 1.50″ |
| Arizona | 6 | 84 | 1 | 1.00″ |
| New York | 12 | 78 | 0 | 2.00″ |
| South Carolina | 3 | 87 | 0 | 1.00″ |
| Pennsylvania | 40 | 33 | 2 | 2.50″ |
| North Carolina | 5 | 66 | 0 | 1.25″ |
| Illinois | 35 | 26 | 6 | 2.00″ |
| Colorado | 47 | 10 | 5 | 3.50″ |
| Iowa | 35 | 23 | 2 | 2.00″ |
| Ohio | 38 | 21 | 0 | 2.00″ |
| New Mexico | 32 | 25 | 0 | 2.75″ |
| Virginia | 8 | 41 | 1 | 1.50″ |
| Kentucky | 9 | 36 | 0 | 2.50″ |
| Alabama | 3 | 39 | 2 | 1.00″ |
| New Hampshire | 9 | 34 | 0 | 1.00″ |
| Mississippi | 2 | 33 | 1 | 1.75″ |
| Indiana | 11 | 20 | 0 | 2.50″ |
| Oklahoma | 11 | 18 | 0 | 1.75″ |
| Montana | 2 | 25 | 0 | 1.00″ |
| North Dakota | 20 | 7 | 0 | 2.75″ |
| Maryland | 2 | 24 | 0 | 1.25″ |
| Tennessee | 2 | 24 | 0 | 1.00″ |
| Idaho | 4 | 20 | 0 | 1.25″ |
| Wyoming | 10 | 13 | 0 | 1.50″ |
| Vermont | 18 | 3 | 0 | 1.75″ |
| Utah | 1 | 17 | 0 | 1.50″ |
| Arkansas | 1 | 14 | 0 | 0.88″ |
| Rhode Island | 0 | 12 | 0 | – |
| Nevada | 1 | 8 | 0 | 1.00″ |
| Louisiana | 1 | 7 | 0 | 1.25″ |
| Connecticut | 0 | 5 | 0 | – |
| West Virginia | 0 | 5 | 0 | – |
| California | 2 | 1 | 1 | 1.00″ |
| Alaska | 1 | 0 | 0 | 1.00″ |
| Delaware | 0 | 1 | 0 | – |
| New Jersey | 0 | 1 | 0 | – |
| Washington | 0 | 1 | 0 | – |
Every storm day in August 2015
Aug 1 Aug 2 Aug 3 Aug 4 Aug 5 Aug 6 Aug 7 Aug 8 Aug 9 Aug 10 Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16 Aug 17 Aug 18 Aug 19 Aug 20 Aug 21 Aug 22 Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30 Aug 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.