Delaware storm history
Storm events recorded in Delaware, Ohio between 1950 and 2025.
586
Total events
14
Tornadoes
89
Hail
68
Floods
6
Deaths
$91.7M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
During a fishing tournament on Hoover Reservoir Lake, a boat capsized with two men on board. One of the men did not resurface and was found the next day.
Strong winds of 40 to 50 miles per hour were sustained for several hours. Gusts over 60 mph were common. Widespread damage occurred across the region, from trees being blown down on powerlines, to significant crop losses and structural damage. A man was electrocuted at the Scioto…
Hail up to the size of golf balls affected the north side of the Columbus metro area and southern Delaware county. Hail was extensive from Dublin, through Worthington and Powell, to Westerville. Trees and shrubs were stripped of their foliage and cars and homes sustained signific…
Winter Weather Winter Weather
The CoCoRaHS observer 3 miles south-southeast of Kilbourne measured 5.5 inches of snow, as did a media report from 4 miles southwest of Galena. The CoCoRaHS observer 5 miles west-southwest of Hartford measured 5.2 inches, as did a cooperative observer just southeast of Delaware. …
Winter Weather Winter Weather
The observer located 5.7 miles east-southeast of Sunbury measured 5.1 inches of snow. Another observer 2 miles north of Magnetic Springs measured 5 inches, and the EMA measured 4.8 inches southwest of Powell.
Thunderstorm Wind Thunderstorm Wind
Several trees were downed in the city of Delaware, including in Mingo Park.
Thunderstorm Wind Thunderstorm Wind
A large tree was downed onto a transformer.
Thunderstorm Wind Thunderstorm Wind
Two trees were downed at the intersection of Ostrander Road and State Route 257.
Thunderstorm Wind Thunderstorm Wind
Several trees were downed in Delaware as well as in Concord Township.
Thunderstorm Wind Thunderstorm Wind
Numerous trees were downed.
Thunderstorm Wind Thunderstorm Wind
Numerous trees were downed.
Thunderstorm Wind Thunderstorm Wind
A large tree was split at its trunk.
Winter Weather Winter Weather
Three inches of snow was reported in Delaware. In Powell and south of Kilbourne, two inches of snow was measured.
Winter Weather Winter Weather
Five miles west-southwest of Hartford, 2.1 inches of snow was measured.
Winter Weather Winter Weather
The observer and a cooperative observer north of Powell both measured 2.4 inches of snow.
Thunderstorm Wind Thunderstorm Wind
A large branch fell and damaged a fence.
Tornado EF0 Tornado
Video taken near the intersection of Olive Green Road and Fredricks Road, looking east, showed a brief tornado developing and then dissipating rather quickly as it moved through a wooded area along Porter Central Road. Delaware County Emergency Management confirmed minor tree dam…
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Multiple shingles were blown off of a residential roof.
Tornado EF1 Tornado
The tornado quickly developed and likely reached the maximum intensity near the intersection of Fancher Road and State Route 605 South causing damage to a residence on the south side of Fancher Road. Multiple homes on the south side of Fancher Road had damage including blown out …
Hail Hail
Hail Hail
Hail Hail
Tornado EF1 Tornado
The tornado initially developed in Union County, at 1924EST, about 1.3 mile west of Lunda. The tornado moved east-southeast and entered Delaware County at 1948EST, about 2 miles northwest of Ostrander. As the tornado moved east across far western, it produced mainly tree damage b…
Tornado EF1 Tornado
The tornado developed in central Delaware County near U.S. Route 23. As the tornado crossed U.S. Route 23, it strengthened and widened and caused more widespread structural damage as it crossed the Olentangy River. Even more significant damage occurred as it moved along Berlin St…
Winter Storm Winter Storm
Both the emergency manager in Delaware and the cooperative observer east of the city measured 8 inches of snow.
Thunderstorm Wind Thunderstorm Wind
A large tree fell onto a house.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Several trees were downed in a subdivision near Polaris Parkway and Old State Road. One house had some minor siding damage.
Thunderstorm Wind Thunderstorm Wind
Several trees and power lines were downed.
Thunderstorm Wind Thunderstorm Wind
Several trees were downed across mainly western portions of Delaware County.
Thunderstorm Wind Thunderstorm Wind
Several large branches were downed.
Thunderstorm Wind Thunderstorm Wind
A few trees were downed along U.S. 23 in Delaware.
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
The top of a white pine tree was snapped off.
Winter Weather Winter Weather
The observer 6 east-southeast of Sunbury measured 3.1 inches of snow, while another 5 miles west-northwest of Sunbury measured 3 inches.
Winter Weather Winter Weather
Five inches of snow was measured in Powell, and 2 miles southeast of the Columbus Zoo. Northwest of Alum Creek State Park, 3.5 inches of snow was measured.
Winter Storm Winter Storm
A combination of snow, blowing snow, and bitter wind chills created dangerous conditions for persons traveling and those without sufficient shelter.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chills fell below 25 below zero.
Thunderstorm Wind Thunderstorm Wind
Several trees were downed in the Powell area.
Thunderstorm Wind Thunderstorm Wind
The wind gust was measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
A 4 inch diameter tree was downed.
Thunderstorm Wind Thunderstorm Wind
A large branch was downed at Indian Springs Elementary School.
Thunderstorm Wind Thunderstorm Wind
Several large branches were downed.
Thunderstorm Wind Thunderstorm Wind
The wind gust was measured on a personal weather station.
Thunderstorm Wind Thunderstorm Wind
A few large limbs were downed.
Thunderstorm Wind Thunderstorm Wind
Several trees were downed in the Sunbury area as well as in other parts of eastern Delaware County.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 12 | 0 |
| 2024 | 11 | 4 |
| 2023 | 14 | 0 |
| 2022 | 20 | 0 |
| 2021 | 13 | 0 |
| 2020 | 46 | 1 |
| 2019 | 27 | 0 |
| 2018 | 18 | 0 |
| 2017 | 23 | 0 |
| 2016 | 20 | 1 |
| 2015 | 18 | 0 |
| 2014 | 17 | 1 |
| 2013 | 27 | 1 |
| 2012 | 27 | 0 |
| 2011 | 21 | 0 |
| 2010 | 14 | 1 |
| 2009 | 9 | 0 |
| 2008 | 15 | 0 |
| 2007 | 11 | 0 |
| 2006 | 9 | 0 |
| 2005 | 12 | 0 |
| 2004 | 14 | 0 |
| 2003 | 23 | 0 |
| 2002 | 10 | 0 |
| 2001 | 7 | 0 |
| 2000 | 13 | 1 |
| 1999 | 9 | 0 |
| 1998 | 9 | 0 |
| 1997 | 9 | 1 |
| 1996 | 15 | 0 |
| 1995 | 19 | 0 |
| 1994 | 13 | 0 |
| 1992 | 3 | 0 |
| 1991 | 1 | 0 |
| 1990 | 10 | 0 |
| 1989 | 7 | 0 |
| 1988 | 1 | 0 |
| 1987 | 3 | 0 |
| 1986 | 4 | 0 |
| 1985 | 3 | 0 |
| 1984 | 1 | 0 |
| 1983 | 1 | 0 |
| 1982 | 2 | 0 |
| 1980 | 5 | 0 |
| 1979 | 2 | 0 |
| 1978 | 1 | 1 |
| 1977 | 1 | 0 |
| 1975 | 1 | 0 |
| 1974 | 5 | 0 |
| 1969 | 1 | 0 |
| 1966 | 6 | 0 |
| 1965 | 1 | 1 |
| 1963 | 1 | 0 |
| 1958 | 1 | 1 |