September 2011 storm reports: hail, wind and tornadoes
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In September 2011, 460 hail, 902 damaging-wind and 52 tornado reports were logged on 30 storm days across 42 states. The largest hail reported was 3.25″ (teacup size) in Arkansas County, AR on September 25, 2011. The most hail reports came on September 14, 2011 (53).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← August 2011 All 2011 storm days October 2011 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of September 2011
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Sep 3, 2011 | 45 | 152 | 8 | 2.00″ | 18 |
| Sep 2, 2011 | 18 | 159 | 0 | 1.75″ | 12 |
| Sep 5, 2011 | 1 | 117 | 10 | 1.00″ | 8 |
| Sep 4, 2011 | 41 | 52 | 10 | 1.75″ | 12 |
| Sep 25, 2011 | 40 | 56 | 6 | 3.25″ | 10 |
| Sep 14, 2011 | 53 | 39 | 1 | 2.00″ | 15 |
| Sep 18, 2011 | 27 | 39 | 1 | 2.00″ | 5 |
| Sep 27, 2011 | 20 | 46 | 1 | 2.00″ | 10 |
| Sep 1, 2011 | 11 | 37 | 2 | 1.50″ | 8 |
| Sep 11, 2011 | 39 | 11 | 0 | 1.75″ | 13 |
Largest hail reported in September 2011
| Day | Size | Location |
|---|---|---|
| Sep 25, 2011 | 3.25″ (teacup) | Arkansas County, AR |
| Sep 25, 2011 | 3.25″ (teacup) | Arkansas County, AR |
| Sep 25, 2011 | 2.75″ (baseball) | Jefferson County, AR |
| Sep 25, 2011 | 2.50″ (tennis ball) | Arkansas County, AR |
| Sep 25, 2011 | 2.50″ (tennis ball) | Arkansas County, AR |
| Sep 25, 2011 | 2.50″ (tennis ball) | Arkansas County, AR |
| Sep 25, 2011 | 2.25″ (hen egg) | Arkansas County, AR |
| Sep 3, 2011 | 2.00″ (hen egg) | St. Joseph County, MI |
| Sep 14, 2011 | 2.00″ (hen egg) | Greenup County, KY |
| Sep 15, 2011 | 2.00″ (hen egg) | Navajo County, AZ |
Storm reports by state, September 2011
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Texas | 40 | 79 | 1 | 2.00″ |
| North Carolina | 11 | 75 | 6 | 2.00″ |
| Georgia | 14 | 71 | 1 | 1.75″ |
| Wisconsin | 11 | 66 | 0 | 1.50″ |
| South Carolina | 12 | 58 | 1 | 2.00″ |
| West Virginia | 46 | 24 | 0 | 1.75″ |
| New York | 25 | 36 | 2 | 1.75″ |
| Florida | 3 | 51 | 5 | 1.00″ |
| Iowa | 11 | 47 | 0 | 1.75″ |
| Virginia | 13 | 42 | 2 | 1.75″ |
| Michigan | 10 | 44 | 1 | 2.00″ |
| Ohio | 24 | 29 | 0 | 1.75″ |
| Arizona | 26 | 22 | 2 | 2.00″ |
| Pennsylvania | 24 | 24 | 0 | 1.25″ |
| Arkansas | 25 | 17 | 1 | 3.25″ |
| Mississippi | 16 | 13 | 11 | 1.75″ |
| Indiana | 7 | 30 | 2 | 1.75″ |
| Louisiana | 14 | 14 | 2 | 2.00″ |
| Alabama | 3 | 21 | 5 | 1.00″ |
| Illinois | 14 | 15 | 0 | 1.75″ |
| Oklahoma | 16 | 8 | 3 | 2.00″ |
| Kentucky | 5 | 19 | 2 | 2.00″ |
| Tennessee | 7 | 18 | 0 | 1.75″ |
| Kansas | 15 | 3 | 0 | 1.00″ |
| Maryland | 3 | 10 | 3 | 1.00″ |
| Minnesota | 8 | 8 | 0 | 1.00″ |
| New Jersey | 8 | 7 | 0 | 1.25″ |
| New Mexico | 10 | 5 | 0 | 1.75″ |
| California | 5 | 7 | 0 | 1.25″ |
| Nevada | 5 | 6 | 0 | 1.00″ |
| Maine | 2 | 8 | 0 | 1.00″ |
| Missouri | 2 | 7 | 1 | 1.00″ |
| South Dakota | 8 | 1 | 0 | 1.75″ |
| Colorado | 8 | 0 | 0 | 1.75″ |
| New Hampshire | 2 | 5 | 0 | 1.00″ |
| Vermont | 2 | 5 | 0 | 1.00″ |
| Massachusetts | 3 | 0 | 0 | 0.88″ |
| Montana | 0 | 2 | 1 | – |
| Oregon | 0 | 3 | 0 | – |
| Utah | 1 | 1 | 0 | 1.00″ |
| Delaware | 1 | 0 | 0 | 1.00″ |
| Idaho | 0 | 1 | 0 | – |
Every storm day in September 2011
Sep 1 Sep 2 Sep 3 Sep 4 Sep 5 Sep 6 Sep 7 Sep 8 Sep 9 Sep 10 Sep 11 Sep 12 Sep 13 Sep 14 Sep 15 Sep 16 Sep 17 Sep 18 Sep 19 Sep 20 Sep 21 Sep 22 Sep 23 Sep 24 Sep 25 Sep 26 Sep 27 Sep 28 Sep 29 Sep 30
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.