NOAA Storm Events · September 2020
Hail in September 2020: 138 NOAA reports across 17 states
NOAA logged 138 hail reports in September 2020, in 61 counties across 17 states. Minnesota had the most (43). The largest stone was 2.25 inches (a hen egg), near Newhill in Wake County, North Carolina, on September 25, 2020. The worst day was September 25, 2020, with 42 reports in 3 states.
- Where
- 61 counties in 17 states; Minnesota had 31% of the reports
- Largest stone
- 2.25 inches, a hen egg, in Wake County, NC (near Newhill), on September 25, 2020
- Worst day
- September 25, 2020: 42 reports in 3 states, 30% of the month
- Days with hail
- 13 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 25, 2020 was the worst day with 42 reports. A day with hail averaged 11.
| September 1 | 8 |
|---|---|
| September 2 | 1 |
| September 3 | 0 |
| September 4 | 0 |
| September 5 | 28 |
| September 6 | 15 |
| September 7 | 6 |
| September 8 | 8 |
| September 9 | 0 |
| September 10 | 0 |
| September 11 | 0 |
| September 12 | 0 |
| September 13 | 0 |
| September 14 | 0 |
| September 15 | 0 |
| September 16 | 0 |
| September 17 | 0 |
| September 18 | 2 |
| September 19 | 1 |
| September 20 | 0 |
| September 21 | 0 |
| September 22 | 0 |
| September 23 | 3 |
| September 24 | 1 |
| September 25 | 42 |
| September 26 | 10 |
| September 27 | 13 |
| September 28 | 0 |
| September 29 | 0 |
| September 30 | 0 |
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.
| MN | 43 |
|---|---|
| NC | 29 |
| WI | 22 |
| KS | 15 |
| TX | 5 |
| IN | 4 |
| IA | 4 |
| NM | 3 |
| OH | 3 |
| OR | 2 |
| # | State | Reports | Share | Largest |
|---|---|---|---|---|
| 1 | Minnesota | 43 | 31.2% | 2 in |
| 2 | North Carolina | 29 | 21.0% | 2.25 in |
| 3 | Wisconsin | 22 | 15.9% | 2 in |
| 4 | Kansas | 15 | 10.9% | 1.75 in |
| 5 | Texas | 5 | 3.6% | 1 in |
| 6 | Indiana | 4 | 2.9% | 1.75 in |
| 7 | Iowa | 4 | 2.9% | 1.75 in |
| 8 | New Mexico | 3 | 2.2% | 1.75 in |
| 9 | Ohio | 3 | 2.2% | 2 in |
| 10 | Oregon | 2 | 1.4% | 0.88 in |
| # | County | Reports | Largest |
|---|---|---|---|
| 1 | Wake County, NC | 24 | 2.25 in |
| 2 | Iron County, WI | 10 | 1.25 in |
| 3 | Hennepin County, MN | 7 | 1.75 in |
| 4 | Renville County, MN | 7 | 2 in |
| 5 | Osage County, KS | 5 | 1 in |
| 6 | Lyon County, KS | 4 | 1.75 in |
| 7 | Dakota County, MN | 3 | 1.5 in |
| 8 | Dickinson County, KS | 3 | 1.25 in |
| 9 | Durham County, NC | 3 | 1 in |
| 10 | Holmes County, OH | 3 | 2 in |
County names link to the full hail history where we have published that county. The CSV below lists all 61 counties and all 17 states.
How September 2020 compares
| Compared with | Reports | September 2020 was |
|---|---|---|
| August 2020 | 974 | -836 (-86%) |
| September 2019 | 696 | -558 (-80%) |
| the average September in the other 11 years | 428 | -290 (-68%) |
September 2020 was the 12th busiest September of the 12 in the record and the 99th 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.