NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mechanicsburg, OH
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
4 tropical systems have passed within 75 miles of Mechanicsburg, Ohio since 1851, 0 of them at hurricane strength; the most recent was Opal in 1995. Since 1950, 78 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 4
- Tornadoes
- 78
- EF3 or stronger
- 5
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
39 deaths in all
What the records show for Mechanicsburg
None of the 4 tropical systems was at hurricane strength as it passed Mechanicsburg; the strongest was an unnamed storm in 1892, a tropical storm with 54 mph winds when its centre passed 17 miles away. The record near Mechanicsburg begins with an unnamed storm in 1892; the most recent system was Opal in 1995, a tropical storm 48 miles away. None of the 4 systems has come since 2000. Of the 605 Ohio cities on this site, 53% have more tropical storms and hurricanes within 75 miles than Mechanicsburg. The strongest of the 78 tornadoes within 25 miles was an F5 on April 3, 1974; its path came within 9 miles, and it killed 36 people. Of the 78, none had a path within 5 miles of the city centre, and 39 have come since 2000. April has had the most tornadoes, 18. The most recent tornado was on July 19, 2025. Mechanicsburg has more tornadoes within 25 miles than 54% of the 605 Ohio cities. Hail has been reported within 10 miles 21 times since 1990, with stones up to 1.75 inches (golf ball size). Of the 605 Ohio cities, 99% have more hail reports within 10 miles than Mechanicsburg.
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Tropical storms and hurricanes near Mechanicsburg
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1995 | OpalOct 5 | 48 mi | Tropical storm (46 mph) | Category 4 |
| 1915 | Unnamed 1915 stormAug 21 | 49 mi | Tropical storm (40 mph) | Category 4 |
| 1902 | Unnamed 1902 stormJun 29 | 67 mi | Tropical storm (40 mph) | Category 1 |
| 1892 | Unnamed 1892 stormSep 13 | 17 mi | Tropical storm (54 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Mechanicsburg: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Mechanicsburg
By decade
- 2020s17(1 EF3+)
- 2010s17(1 EF3+)
- 2000s5(1 EF3+)
- 1990s10
- 1980s6
- 1970s12(2 EF3+)
- 1960s9
- 1950s2
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 3, 1974 | F5 | 9 mi | 31.3 mi | 36 / 1150 |
| Mar 14, 2024 | EF3 | 24 mi | 31.33 mi | 3 / 27 |
| May 14, 2014 | EF3 | 21 mi | 8.93 mi | 0 / 0 |
| Nov 10, 2002 | F3 | 21 mi | 9 mi | 0 / 2 |
| May 10, 1973 | F3 | 8 mi | 89.6 mi | 0 / 8 |
| Mar 14, 2024 | EF2 | 22 mi | 19.48 mi | 0 / 0 |
| Feb 28, 2024 | EF2 | 10 mi | 21.11 mi | 0 / 3 |
| Apr 3, 1974 | F2 | 14 mi | 15.7 mi | 0 / 0 |
| May 30, 1973 | F2 | 24 mi | 2 mi | 0 / 1 |
| May 25, 1973 | F2 | 21 mi | 0.1 mi | 0 / 0 |
| May 8, 1973 | F2 | 24 mi | 17.3 mi | 0 / 0 |
| May 14, 1970 | F2 | 19 mi | 3 mi | 0 / 0 |
The strongest 12 of 78, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mechanicsburg
The Storm Prediction Center has 21 hail reports within 10 miles of Mechanicsburg since 1990, made on 17 separate days. Of these, 10 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 2 days, most recently May 18, 2000. The most recent report is from July 15, 2024. May has the most reports, 12.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mechanicsburg
The nearest NOAA station with 1991–2020 climate normals is London Fish Hatchery, OH, 11 miles south of Mechanicsburg at 1,120 feet. July is the warmest, with an average high of 82°F and low of 63°F; January is the coolest, at 33°F and 19°F. July is the wettest at 5.0 inches of precipitation on average and February the driest at 2.3 inches; the year adds up to 42.4 inches over 76 days with at least a tenth of an inch. Highs reach 90°F on about 13 days a year, almost all from June to September. Lows fall below freezing on about 132 nights a year. That 42.4 inches is more than at 76 of the 129 Ohio stations used on this site (59%). Cable, 9 miles northwest, has its own station (Urbana Wwtp, OH): 44.0 inches a year, 1.6 more than here, and a July average high of 85°F against 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 33 | 19 | 3.1 | 6 |
| Feb | 37 | 21 | 2.3 | 5 |
| Mar | 48 | 29 | 3.7 | 7 |
| Apr | 61 | 39 | 4.1 | 8 |
| May | 71 | 50 | 4.7 | 9 |
| Jun | 79 | 60 | 4.7 | 8 |
| Jul | 82 | 63 | 5.0 | 8 |
| Aug | 81 | 61 | 2.9 | 5 |
| Sep | 76 | 53 | 2.9 | 4 |
| Oct | 64 | 41 | 2.8 | 5 |
| Nov | 50 | 32 | 3.0 | 6 |
| Dec | 39 | 24 | 3.2 | 6 |
| Year | 60 | 41 | 42.4 | 76 |
Averages for 1991–2020 at London Fish Hatchery, OH (1,120 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Mechanicsburg
Since 1996, the National Weather Service has logged 78 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mechanicsburg: 63 thunderstorm wind reports, 11 floods, 2 flash floods and 2 heavy rain events. None is recorded as killing or injuring anyone; the NWS estimated $466,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on August 10, 2009.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Champaign County, which includes Mechanicsburg, has been named in 11 federal disaster or emergency declarations since 1978, 6 of them major disasters (by incident: 6 severe storms, 2 biological emergencies, 2 snowstorms, 1 hurricane). The latest major disaster declaration was Covid-19 Pandemic, on March 31, 2020. FEMA's National Risk Index gives Champaign County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for tornadoes, hail, inland flooding, strong wind and lightning; Very Low for hurricanes and heat waves. It models the county's expected loss from all 18 hazards it covers at $10.5 million a year, the 74th highest of 88 Ohio counties; of the hazards above, the largest share, $6.5 million (62%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Mechanicsburg
- South Vienna, OH8 mi
- Cable, OH9 mi
- Urbana, OH11 mi
- North Lewisburg, OH12 mi
- London, OH13 mi
- Springfield, OH15 mi
- South Charleston, OH15 mi
- Plain City, OH16 mi
- West Liberty, OH17 mi
- West Jefferson, OH17 mi
- Marysville, OH18 mi
- Saint Paris, OH21 mi
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