| June 2025 | Flash Flood | Ashtabula | $100,000 | Widespread basement and street flooding in Ashtabula, with several videos of flowing water of six inches or more across roadways. Radar estimated 2.75 to 3.5 inches of rainfall in a two to three hour period, which roughly equates to a 50 year recurrence interval. |
| July 2021 | Flash Flood | Ashtabula | $100,000 | Several roads closed due to flowing high water. Vehicles stranded in high water at West Avenue and West 34th Street, West 58th Street and Jefferson Road. Underpass on Main Avenue inundated with 5 to 6 feet of water, stranding a vehicle. Several reports of flooded basements in the area. |
| January 1999 | Flash Flood | Ashtabula | $75,000 | An ice jam on the Ashtabula River at Northcoast Marina and Yacht Club broke loose and snapped the docks apart like twigs. The river also flooded bottom land and at least one road. Other rural roads were flooded by melting piles of snow. |
| June 2024 | Flash Flood | Ashtabula | $50,000 | Widespread road flooding in Ashtabula and Plymouth areas. Some reports of basement flooding as well. Many of the roads flooded due to creeks coming out of their banks. A few cars stranded in a flooded underpass on Main Avenue in Ashtabula. Radar estimated 4 to 5.5 inches of rainfall in a 1.5 to 3 hour period. Two rain gauge reports in Plymouth reported nearly 6 inches of rainfall over a three hour period. |
| August 1994 | Thunderstorm Wind | Ashtabula | $50,000 | Trees and large limbs were downed, some on power lines with at least one building suffering damage. |
| August 1994 | Thunderstorm Wind | Ashtabula | $50,000 | Trees and large limbs were downed. Hard hit was the west side of Conneaut where several roads were closed from downed trees. Utility poles were also downed along with some signs and awnings. |
| June 2014 | Hail | Ashtabula | $40,000 | A trained spotter reported golf ball size hail in Ashtabula. |
| August 2000 | Thunderstorm Wind | Ashtabula | $35,000 | A 86 mph thunderstorm wind gust was measured at the Ashtabula Light House. Several dozen trees were downed in the City of Ashtabula. At least two homes were damaged by fallen trees. Other trees were downed to the west of Ashtabula in Saybrook Township. |
| October 1999 | Thunderstorm Wind | Ashtabula | $25,000 | Trained spotters estimated 60 mph winds in Ashtabula. A few trees were downed in an around the City of Ashtabula. One of the trees landed on a house trailer and caused some structural damage. |
| April 2011 | Thunderstorm Wind | Ashtabula | $20,000 | Thunderstorm winds downed a few trees and large limbs. |
| August 2019 | Thunderstorm Wind | Ashtabula | $10,000 | A large section of a tree was blown down on a house along with utility lines. |
| August 2019 | Thunderstorm Wind | Ashtabula | $10,000 | A tree was blown down on to a car near Main Street. Several trees were blown down at Bunker Hille and Austinburg Road. |
| January 2000 | Thunderstorm Wind | Ashtabula | $10,000 | Thunderstorm winds downed two trees. |
| June 2000 | Thunderstorm Wind | Ashtabula | $10,000 | Thunderstorm winds downed several trees. |
| December 2008 | Thunderstorm Wind | Ashtabula | $8,000 | Several large limbs were reported down. Power outages were also reported in the area. |
| January 2012 | Thunderstorm Wind | Ashtabula | $5,000 | Thunderstorm winds downed a few trees. |
| August 2002 | Thunderstorm Wind | Ashtabula | $5,000 | Thunderstorm winds downed several large tree limbs. |
| August 2000 | Thunderstorm Wind | Ashtabula | $5,000 | Thunderstorm winds downed a couple of trees approximately four miles south of Ashtabula. |
| August 1994 | Thunderstorm Wind | Ashtabula | $5,000 | Several trees and large branches were downed. |
| September 1994 | Thunderstorm Wind | Ashtabula | $5,000 | Trees were downed. |
| September 2005 | Thunderstorm Wind | Ashtabula | $4,000 | Several large limbs were reported down. |
| August 2003 | Thunderstorm Wind | Ashtabula | $3,000 | Thunderstorm winds downed a large tree southeast of Ashtabula and several large limbs near Richmond Center. |
| June 2016 | Thunderstorm Wind | Ashtabula | $2,000 | Thunderstorm winds downed two trees and a few large limbs. |
| July 2008 | Thunderstorm Wind | Ashtabula | $2,000 | Thunderstorm winds downed several large tree limbs. |
| April 2003 | Thunderstorm Wind | Ashtabula | $2,000 | Thunderstorm winds downed a few large tree limbs. |
| December 1996 | Thunderstorm Wind | Ashtabula | $2,000 | no account filed |
| June 2013 | Thunderstorm Wind | Ashtabula | $1,000 | Thunderstorm winds downed a tree. |
| August 2024 | Thunderstorm Wind | Ashtabula | - | Tree downed in Ashtabula and another downed about two-miles ESE of Ashtabula. |
| August 2021 | Thunderstorm Wind | Ashtabula | - | Power poles were broken in Ashtabula. |
| August 2019 | Thunderstorm Wind | Ashtabula | - | Several trees were blown down. |
| May 2012 | Hail | Ashtabula | - | Nickel sized hail was observed. |
| May 2011 | Hail | Ashtabula | - | Thunderstorms produced nickel size hail. |
| August 2009 | Thunderstorm Wind | Ashtabula | - | A peak wind gust of 60 mph was measured by wind sensing equipment at the Ashtabula Lighthouse. |
| July 2004 | Hail | Ashtabula | - | Penny size hail was observed. |
| August 2003 | Hail | Ashtabula | - | Penny size hail was observed on the west side of Ashtabula. |
| August 2003 | Hail | Ashtabula | - | Penny to quarter size hail was observed. |
| October 2000 | Thunderstorm Wind | Ashtabula | - | A 60 mph thunderstorm wind gust was measured in Ashtabula. |
| August 2000 | Hail | Ashtabula | - | Dime size hail fell five miles south of Ashtabula. |
| August 2000 | Thunderstorm Wind | Ashtabula | - | A 71 mph thunderstorm wind gust was measured at the Ashtabula Light House. |
| May 1995 | Hail | Ashtabula | - | Winds of 60 mph and large hail was reported. |
| July 1995 | Thunderstorm Wind | Ashtabula | - | Winds were measured at 62 mph at the lighthouse. |
| August 1994 | Thunderstorm Wind | Ashtabula | - | Winds were measured at 70 mph (61 knots). |
| June 2008 | Hail | Ashtabula | - | no account filed |
| June 2008 | Hail | Ashtabula | - | no account filed |
| July 1999 | Hail | Ashtabula | - | no account filed |
| May 1998 | Hail | Ashtabula | - | no account filed |
| June 1998 | Hail | Ashtabula | - | no account filed |
| May 1997 | Hail | Ashtabula | - | no account filed |