NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Allegany, NY
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
11 tropical systems have passed within 75 miles of Allegany, New York since 1851, 1 of them at hurricane strength; the most recent was Frances in 2004. Since 1950, 21 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 1
- Tropical storms
- 10
- Tornadoes
- 21
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Allegany
The strongest storm to pass near Allegany was Hazel in 1954, a Category 1 hurricane with 77 mph winds when its centre passed 31 miles away. The record near Allegany begins with an unnamed storm in 1876; the most recent system was Frances in 2004, a tropical storm 64 miles away. Of the 11 systems, one has come since 2000. Of the 809 New York cities on this site, 49% have more hurricanes within 75 miles than Allegany. The highest rating among the 21 tornadoes within 25 miles is F3, reached 3 times; the most recent, on June 20, 1969, came within 9 miles. Of the 21, 3 had paths within 5 miles of the city centre, and 9 have come since 2000. July has had the most tornadoes, 8. The most recent tornado was on June 9, 2025. Of the 809 New York cities, 73% have more tornadoes within 25 miles than Allegany. Hail has been reported within 10 miles 13 times since 1983, with stones up to 1.75 inches (golf ball size). Of the 809 New York cities, 90% have more hail reports within 10 miles than Allegany.
Compare Allegany's storm record with another city →
Tropical storms and hurricanes near Allegany
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2004 | FrancesSep 9 | 64 mi | Tropical storm (40 mph) | Category 4 |
| 1995 | OpalOct 6 | 60 mi | Tropical storm (43 mph) | Category 4 |
| 1989 | HugoSep 23 | 63 mi | Tropical storm (41 mph) | Category 5 |
| 1955 | ConnieAug 13 | 38 mi | Tropical storm (52 mph) | Category 4 |
| 1954 | HazelOct 16 | 31 mi | Category 1 (77 mph) | Category 4 |
| 1928 | Unnamed 1928 stormSep 20 | 28 mi | Tropical storm (39 mph) | Category 5 |
| 1902 | Unnamed 1902 stormJun 29 | 21 mi | Tropical storm (40 mph) | Category 1 |
| 1896 | Unnamed 1896 stormSep 30 | 26 mi | Tropical storm (58 mph) | Category 3 |
| 1893 | Unnamed 1893 stormOct 14 | 43 mi | Tropical storm (70 mph) | Category 3 |
| 1878 | Unnamed 1878 stormSep 13 | 18 mi | Tropical storm (46 mph) | Category 2 |
| 1876 | Unnamed 1876 stormSep 18 | 43 mi | Tropical storm (49 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Allegany: 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 Allegany
By decade
- 2020s2
- 2010s3
- 2000s4
- 1990s3
- 1980s1
- 1970s3
- 1960s5(3 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 20, 1969 | F3 | 9 mi | 84.1 mi | 0 / 0 |
| Jul 24, 1967 | F3 | 16 mi | 11.4 mi | 0 / 0 |
| May 15, 1961 | F3 | in town | 3 mi | 0 / 0 |
| Jul 24, 2010 | EF2 | 19 mi | 7.62 mi | 0 / 0 |
| Aug 6, 1968 | F2 | 9 mi | 31.8 mi | 0 / 4 |
| Jun 9, 2025 | EF1 | 10 mi | 2.4 mi | 0 / 0 |
| Sep 6, 2024 | EF1 | 18 mi | 5.98 mi | 0 / 0 |
| Jul 24, 2010 | EF1 | in town | 7.78 mi | 0 / 0 |
| Jul 24, 2010 | EF1 | 10 mi | 1.17 mi | 0 / 0 |
| Aug 9, 2009 | EF1 | 18 mi | 7.84 mi | 0 / 0 |
| Jul 26, 2009 | EF1 | 14 mi | 12.88 mi | 0 / 0 |
| Jul 21, 2003 | F1 | 24 mi | 5.5 mi | 0 / 0 |
The strongest 12 of 21, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Allegany
The Storm Prediction Center has 13 hail reports within 10 miles of Allegany since 1983, made on 12 separate days. Of these, 7 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 June 21, 1995. The most recent report is from June 26, 2023. June has the most reports, 6.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Allegany
The nearest NOAA station with 1991–2020 climate normals is Olean, NY, 4 miles southeast of Allegany at 1,420 feet. July is the warmest, with an average high of 80°F and low of 57°F; January is the coolest, at 32°F and 13°F. June is the wettest at 4.5 inches of precipitation on average and February the driest at 2.0 inches; the year adds up to 40.8 inches over 93 days with at least a tenth of an inch. June to November, the hurricane season months, bring 57% of the year's precipitation (23.2 of 40.8 inches); the other six months are drier. September has brought the most of the 11 tropical systems that passed within 75 miles (6); a normal September there has highs of 73°F and 3.9 inches of precipitation. Highs reach 90°F on about 2 days a year, almost all from July. Lows fall below freezing on about 150 nights a year. Snowfall averages 64.7 inches a year, most of it in January. That 40.8 inches is more than at 48 of the 137 New York stations used on this site (35%). Hinsdale, 9 miles northeast, has its own station (Franklinville, NY): 44.7 inches a year, 3.9 more than here, and a July average high of 79°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 32 | 13 | 2.7 | 7 | 17.6 |
| Feb | 34 | 15 | 2.0 | 6 | 13.7 |
| Mar | 43 | 21 | 2.6 | 7 | 10.1 |
| Apr | 57 | 32 | 3.4 | 8 | 1.8 |
| May | 68 | 44 | 3.7 | 8 | 0.0 |
| Jun | 76 | 53 | 4.5 | 9 | 0.0 |
| Jul | 80 | 57 | 4.3 | 8 | 0.0 |
| Aug | 79 | 55 | 4.0 | 8 | 0.0 |
| Sep | 73 | 49 | 3.9 | 7 | 0.0 |
| Oct | 60 | 38 | 3.6 | 8 | 0.3 |
| Nov | 47 | 29 | 2.9 | 7 | 6.3 |
| Dec | 37 | 21 | 3.2 | 8 | 14.9 |
| Year | 57 | 36 | 40.8 | 93 | 64.7 |
Averages for 1991–2020 at Olean, NY (1,420 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 Allegany
Since 1996, the National Weather Service has logged 114 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Allegany: 85 thunderstorm wind reports, 16 flash floods, 10 floods and 3 heavy rain events. None is recorded as killing or injuring anyone; the NWS estimated $1.6 million in property and crop damage. The strongest thunderstorm gust on record here was 64 mph, on July 24, 2010. June has had the most flash floods, 5 of 16. Of the 798 New York cities on this site with a flash flood on record, 247 have had fewer than Allegany.
May 13, 2014: flash flood 9 miles from the centre of Allegany — $250,000 damage.
March 15, 2007: flood 5 miles from the centre of Allegany — $100,000 damage.
December 1, 2010: flood 6 miles from the centre of Allegany — $100,000 damage.
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
Flood insurance policyholders in Allegany's ZIP code 14706 have filed 46 claims with the National Flood Insurance Program since 1978, and were paid $171,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 18 claims (39% of all) and $60,000. 41% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 549 New York cities on this site with 10 or more claims, 266 have fewer than Allegany.
| Event | Claims | Paid |
|---|---|---|
| Flooding1996 | 18 | $60,000 |
Cattaraugus County, which includes Allegany, has been named in 26 federal disaster or emergency declarations since 1967, 15 of them major disasters (by incident: 7 severe storms, 7 snowstorms, 3 floods, 2 biological emergencies). The latest major disaster declaration was Covid-19 Pandemic, on March 20, 2020. FEMA's National Risk Index gives Cattaraugus County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for tornadoes, inland flooding and strong wind; Relatively Low for hurricanes; Very Low for hail and heat waves. It models the county's expected loss from all 18 hazards it covers at $33.8 million a year, the 26th highest of 62 New York counties; of the hazards above, the largest share, $28.7 million (85%), 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.