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Reference

What NOAA actually recorded here from 2021 onward

Between January 2021 and 19 May 2026, NOAA logged 362 hail and damaging-wind events across the seven counties this site covers: 58 hail and 304 wind. That ratio is the single most useful fact about roofing in this market.

The pattern, county by county

CountyHail eventsWind eventsLargest hailStrongest recorded gust
Warren County, OH11711.5″65 kt (75 mph)
Hamilton County, OH11641.25″70 kt (81 mph)
Clermont County, OH10581.5″78 kt (90 mph)
Butler County, OH12372″60 kt (69 mph)
Boone County, KY8341.75″60 kt (69 mph)
Kenton County, KY4211.25″50 kt (58 mph)
Campbell County, KY2190.88″60 kt (69 mph)

Wind outnumbers hail by more than five to one. That is why a roof in this market lives or dies on its edge detailing — the starter course, the drip edge and the nailing pattern — rather than on impact resistance.

Hail of one inch or larger

One inch is the conventional threshold at which hail starts doing real damage to an asphalt shingle mat. Every such event on record here from 2021 onward:

DateSizeCounty
16 May 20252″Butler County, OH
16 May 20251.5″Butler County, OH
16 May 20251.25″Butler County, OH
16 May 20251″Butler County, OH
16 May 20251″Butler County, OH
30 April 20251″Kenton County, KY
14 April 20251.25″Kenton County, KY
14 April 20251.25″Boone County, KY
14 April 20251″Boone County, KY
4 April 20251″Warren County, OH
30 March 20251″Hamilton County, OH
27 February 20251″Warren County, OH
27 February 20251″Warren County, OH
15 July 20241″Butler County, OH
2 April 20241″Butler County, OH
2 April 20241″Hamilton County, OH
2 April 20241″Kenton County, KY
1 April 20241.5″Clermont County, OH
24 July 20231″Clermont County, OH
24 July 20231″Hamilton County, OH
24 July 20231″Hamilton County, OH
18 July 20231.5″Warren County, OH
18 July 20231″Warren County, OH
18 July 20231″Warren County, OH
2 July 20231.25″Hamilton County, OH
2 July 20231″Hamilton County, OH
27 February 20232″Butler County, OH
27 February 20231.25″Butler County, OH
5 July 20221″Clermont County, OH
5 July 20221″Clermont County, OH
13 June 20221″Butler County, OH
21 May 20221″Clermont County, OH
19 May 20221.75″Boone County, KY
29 June 20211″Warren County, OH
18 June 20211.75″Boone County, KY
18 June 20211″Butler County, OH
28 March 20211″Hamilton County, OH
28 March 20211″Hamilton County, OH

The significant wind days

A single squall line produces dozens of separate reports, so wind is listed by day. These are the days with four or more recorded damaging-wind reports across the seven counties.

DateReportsStrongest recordedCounties
28 December 2025852 kt (60 mph)Boone KY, Campbell KY, Clermont OH, Kenton KY, Warren OH
21 September 2025650 kt (58 mph)Clermont OH, Warren OH
20 July 2025450 kt (58 mph)Kenton KY
12 July 2025755 kt (63 mph)Campbell KY, Hamilton OH, Warren OH
27 June 2025559 kt (68 mph)Butler OH, Hamilton OH
18 June 2025959 kt (68 mph)Boone KY, Hamilton OH, Kenton KY, Warren OH
29 April 2025650 kt (58 mph)Butler OH, Clermont OH, Kenton KY, Warren OH
2 April 2025863 kt (72 mph)Campbell KY, Clermont OH, Hamilton OH, Warren OH
30 March 20251665 kt (75 mph)Butler OH, Campbell KY, Clermont OH, Warren OH
19 March 20251255 kt (63 mph)Boone KY, Campbell KY, Hamilton OH, Kenton KY, Warren OH
29 June 2024450 kt (58 mph)Clermont OH, Warren OH
26 May 2024650 kt (58 mph)Butler OH, Hamilton OH
7 May 2024460 kt (69 mph)Butler OH, Hamilton OH, Warren OH
27 July 2023550 kt (58 mph)Boone KY, Hamilton OH, Warren OH
17 July 2023450 kt (58 mph)Butler OH, Hamilton OH, Warren OH
2 July 2023445 kt (52 mph)Butler OH, Hamilton OH
1 April 2023450 kt (58 mph)Clermont OH, Warren OH
6 July 20221458 kt (67 mph)Boone KY, Campbell KY, Clermont OH, Hamilton OH, Kenton KY
22 June 2022560 kt (69 mph)Boone KY, Butler OH, Hamilton OH, Warren OH
13 June 20222560 kt (69 mph)Boone KY, Butler OH, Clermont OH, Hamilton OH, Warren OH
8 June 2022660 kt (69 mph)Boone KY, Campbell KY, Kenton KY
21 May 2022470 kt (81 mph)Clermont OH, Hamilton OH
19 May 2022750 kt (58 mph)Campbell KY, Clermont OH, Hamilton OH, Kenton KY
27 August 2021650 kt (58 mph)Clermont OH, Hamilton OH, Warren OH
16 July 20211051 kt (59 mph)Clermont OH, Hamilton OH, Warren OH
18 June 20211765 kt (75 mph)Boone KY, Butler OH, Clermont OH, Hamilton OH, Warren OH

If one of these dates is inside the last twelve months and your roof has not been looked at since, that is the practical use of this page. Most Ohio and Kentucky policies expect a loss to be reported within twelve months of the date it happened.

How to read this honestly

  • Each row is a report, logged at a point by a trained spotter, a public report, a broadcast source or an official observer. It is not a damage survey.
  • Hail sizes are the largest stone observed at that point. Hail falls in narrow swaths, so a 1.75 inch report four miles away does not mean 1.75 inch hail fell on your house.
  • Wind speeds are recorded in knots, and most are estimated gusts rather than measured ones. The mph conversion is shown for convenience.
  • Absence of a report does not mean absence of a storm. It means nobody reported one at that point.

Want to know which of these dates matters for your address?

Check your ZIP code

All work is performed by licensed and insured local roofing professionals.

SheetReference
Service areaGreater Cincinnati, Ohio and Northern Kentucky
Last reviewed11 September 2026