NOAA Storm Events · September 2015
Hail in September 2015: 480 NOAA reports across 31 states
NOAA logged 480 hail reports in September 2015, in 243 counties across 31 states. Nebraska had the most (140). The largest stone was 4 inches (a grapefruit), near Almeria in Loup County, Nebraska, on September 9, 2015. The worst day was September 10, 2015, with 137 reports in 7 states.
- Where
- 243 counties in 31 states; Nebraska had 29% of the reports
- Largest stone
- 4 inches, a grapefruit, in Loup County, NE (near Almeria), on September 9, 2015
- Worst day
- September 10, 2015: 137 reports in 7 states, 29% of the month
- Days with hail
- 19 of 30 days had at least one report
- under 1 in
- 1 to 1.74 in
- 1.75 to 2.74 in
- 2.75 in and up
Day by day
September 10, 2015 was the worst day with 137 reports. A day with hail averaged 25.
| September 1 | 0 |
|---|---|
| September 2 | 15 |
| September 3 | 15 |
| September 4 | 57 |
| September 5 | 20 |
| September 6 | 14 |
| September 7 | 34 |
| September 8 | 2 |
| September 9 | 67 |
| September 10 | 137 |
| September 11 | 3 |
| September 12 | 0 |
| September 13 | 0 |
| September 14 | 1 |
| September 15 | 0 |
| September 16 | 1 |
| September 17 | 28 |
| September 18 | 43 |
| September 19 | 0 |
| September 20 | 4 |
| September 21 | 0 |
| September 22 | 20 |
| September 23 | 4 |
| September 24 | 0 |
| September 25 | 0 |
| September 26 | 0 |
| September 27 | 0 |
| September 28 | 0 |
| September 29 | 11 |
| September 30 | 4 |
Where it hit hardest
Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.
| NE | 140 |
|---|---|
| KS | 115 |
| IA | 31 |
| SD | 25 |
| VA | 19 |
| IN | 15 |
| MT | 15 |
| IL | 13 |
| OH | 13 |
| NC | 11 |
| # | State | Reports | Share | Largest |
|---|---|---|---|---|
| 1 | Nebraska | 140 | 29.2% | 4 in |
| 2 | Kansas | 115 | 24.0% | 4 in |
| 3 | Iowa | 31 | 6.5% | 1.75 in |
| 4 | South Dakota | 25 | 5.2% | 2 in |
| 5 | Virginia | 19 | 4.0% | 1.25 in |
| 6 | Indiana | 15 | 3.1% | 1.75 in |
| 7 | Montana | 15 | 3.1% | 2.5 in |
| 8 | Illinois | 13 | 2.7% | 1.75 in |
| 9 | Ohio | 13 | 2.7% | 1 in |
| 10 | North Carolina | 11 | 2.3% | 1 in |
| # | County | Reports | Largest |
|---|---|---|---|
| 1 | Hamilton County, NE | 13 | 2.75 in |
| 2 | Thayer County, NE | 12 | 3 in |
| 3 | Washington County, KS | 9 | 2.75 in |
| 4 | Adams County, NE | 8 | 2.75 in |
| 5 | Furnas County, NE | 8 | 2.5 in |
| 6 | Lancaster County, NE | 8 | 2.5 in |
| 7 | Powder River County, MT | 8 | 2.5 in |
| 8 | Buffalo County, NE | 7 | 2.5 in |
| 9 | Jefferson County, NE | 7 | 2.75 in |
| 10 | Pottawatomie County, KS | 7 | 1.5 in |
County names link to the full hail history where we have published that county. The CSV below lists all 243 counties and all 31 states.
How September 2015 compares
| Compared with | Reports | September 2015 was |
|---|---|---|
| August 2015 | 1,022 | -542 (-53%) |
| September 2014 | 464 | +16 (+3%) |
| the average September in the other 11 years | 397 | +83 (+21%) |
September 2015 was the 5th busiest September of the 12 in the record and the 79th busiest of all 150 months.
| 2014 | 464 |
|---|---|
| 2015 | 480 |
| 2016 | 490 |
| 2017 | 294 |
| 2018 | 180 |
| 2019 | 696 |
| 2020 | 138 |
| 2021 | 326 |
| 2022 | 282 |
| 2023 | 700 |
| 2024 | 256 |
| 2025 | 544 |
Every September in the record, 2014 to 2025. Months after June 2026 are not in NOAA's file yet.
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Download the data
Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.
Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.