NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Port Allegany, PA
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
10 tropical systems have passed within 75 miles of Port Allegany, Pennsylvania since 1851, 1 of them at hurricane strength; the most recent was Frances in 2004. Since 1950, 19 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 1
- Tropical storms
- 9
- Tornadoes
- 19
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
4 deaths in all
What the records show for Port Allegany
The strongest storm to pass near Port Allegany was Hazel in 1954, a Category 1 hurricane with 77 mph winds when its centre passed 24 miles away. The record near Port Allegany begins with an unnamed storm in 1876; the most recent system was Frances in 2004, a tropical storm 74 miles away. Of the 10 systems, one has come since 2000. Of the 794 Pennsylvania cities on this site, 45% have more hurricanes within 75 miles than Port Allegany. The strongest of the 19 tornadoes within 25 miles was an F4 on May 31, 1985; its path came within 21 miles, and it killed 4 people. Of the 19, none had a path 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 March 16, 2025. Of the 794 Pennsylvania cities, 98% have more tornadoes within 25 miles than Port Allegany. Hail has been reported within 10 miles 15 times since 1996, with stones up to 2 inches (hen egg size). Of the 794 Pennsylvania cities, 92% have more hail reports within 10 miles than Port Allegany.
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Tropical storms and hurricanes near Port Allegany
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2004 | FrancesSep 9 | 74 mi | Tropical storm (40 mph) | Category 4 |
| 1955 | ConnieAug 13 | 33 mi | Tropical storm (52 mph) | Category 4 |
| 1954 | HazelOct 16 | 24 mi | Category 1 (77 mph) | Category 4 |
| 1928 | Unnamed 1928 stormSep 20 | 39 mi | Tropical storm (39 mph) | Category 5 |
| 1902 | Unnamed 1902 stormJun 29 | 17 mi | Tropical storm (40 mph) | Category 1 |
| 1896 | Unnamed 1896 stormSep 30 | 35 mi | Tropical storm (59 mph) | Category 3 |
| 1893 | Unnamed 1893 stormOct 14 | 29 mi | Tropical storm (70 mph) | Category 3 |
| 1885 | Unnamed 1885 stormOct 14 | 60 mi | Tropical storm (46 mph) | Tropical storm |
| 1878 | Unnamed 1878 stormSep 13 | 34 mi | Tropical storm (46 mph) | Category 2 |
| 1876 | Unnamed 1876 stormSep 18 | 26 mi | Tropical storm (52 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Port 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 Port Allegany
By decade
- 2020s2
- 2010s5
- 2000s2(1 EF3+)
- 1990s3
- 1980s2(1 EF3+)
- 1970s2
- 1960s2(1 EF3+)
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 31, 1985 | F4 | 21 mi | 29 mi | 4 / 40 |
| Jul 21, 2003 | F3 | 19 mi | 2.5 mi | 0 / 0 |
| May 15, 1961 | F3 | 24 mi | 3 mi | 0 / 0 |
| May 31, 1985 | F2 | 22 mi | 19 mi | 0 / 0 |
| Jun 14, 1962 | F2 | 13 mi | 0.2 mi | 0 / 0 |
| Jun 12, 1954 | F2 | 10 mi | 0.2 mi | 0 / 0 |
| Mar 16, 2025 | EF1 | 24 mi | 0.51 mi | 0 / 0 |
| Sep 6, 2024 | EF1 | 23 mi | 5.98 mi | 0 / 0 |
| Jul 27, 2013 | EF1 | 17 mi | 2.94 mi | 0 / 0 |
| Jul 24, 2010 | EF1 | 23 mi | 7.78 mi | 0 / 0 |
| Jul 21, 2003 | F1 | 18 mi | 5.5 mi | 0 / 0 |
| Jun 2, 1998 | F1 | 21 mi | 8 mi | 0 / 0 |
The strongest 12 of 19, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Port Allegany
The Storm Prediction Center has 15 hail reports within 10 miles of Port Allegany since 1996, made on 14 separate days. Of these, 8 were 1 inch across or larger, and one reached 2 inches. The largest, 2 inches (hen egg size), fell on June 7, 1999. The most recent report is from July 23, 2022. July has the most reports, 7.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Port Allegany
The nearest NOAA station with 1991–2020 climate normals is Port Allegany, PA, in Port Allegany at 1,475 feet. July is the warmest, with an average high of 80°F and low of 56°F; January is the coolest, at 31°F and 14°F. July is the wettest at 4.5 inches of precipitation on average and February the driest at 2.3 inches; the year adds up to 42.6 inches over 93 days with at least a tenth of an inch. June to November, the hurricane season months, bring 56% of the year's precipitation (23.7 of 42.6 inches); the other six months are drier. September has brought the most of the 10 tropical systems that passed within 75 miles (5); a normal September there has highs of 71°F and 3.7 inches of precipitation. Highs reach 90°F on about 2 days a year, almost all from July. Lows fall below freezing on about 165 nights a year. Snowfall averages 55.1 inches a year, most of it in January. That 42.6 inches is more than at 47 of the 148 Pennsylvania stations used on this site (32%). Smethport, 9 miles west, has its own station (Clermont 1 NW, PA): 50.8 inches a year, 8.2 more than here, and a July average high of 76°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 14 | 3.1 | 8 | 14.1 |
| Feb | 34 | 15 | 2.3 | 7 | 12.1 |
| Mar | 43 | 22 | 3.0 | 7 | 9.4 |
| Apr | 57 | 31 | 3.5 | 9 | 1.7 |
| May | 68 | 43 | 3.8 | 8 | 0.0 |
| Jun | 76 | 52 | 4.2 | 9 | 0.0 |
| Jul | 80 | 56 | 4.5 | 9 | 0.0 |
| Aug | 78 | 55 | 4.1 | 7 | 0.0 |
| Sep | 71 | 48 | 3.7 | 7 | 0.0 |
| Oct | 59 | 37 | 3.9 | 8 | 0.6 |
| Nov | 47 | 28 | 3.3 | 7 | 3.9 |
| Dec | 36 | 21 | 3.2 | 8 | 13.3 |
| Year | 57 | 35 | 42.6 | 93 | 55.1 |
Averages for 1991–2020 at Port Allegany, PA (1,475 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 Port Allegany
Since 1996, the National Weather Service has logged 65 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Port Allegany: 58 thunderstorm wind reports, 4 flash floods and 3 floods. None is recorded as killing or injuring anyone; the NWS estimated $134,000 in property and crop damage. The strongest thunderstorm gust on record here was 70 mph, on May 2, 2012.
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
McKean County, which includes Port Allegany, has been named in 13 federal disaster or emergency declarations since 1972, 9 of them major disasters (by incident: 3 floods, 3 hurricanes, 3 severe storms, 2 biological emergencies). The latest major disaster declaration was Covid-19 Pandemic, on March 30, 2020. FEMA's National Risk Index gives McKean County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding and lightning; Relatively Low for hurricanes and strong wind; Very Low for tornadoes, hail and heat waves. It models the county's expected loss from all 18 hazards it covers at $15.0 million a year, the 54th highest of 67 Pennsylvania counties; of the hazards above, the largest share, $12.8 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.
Cities near Port Allegany
- Smethport, PA9 mi
- Shinglehouse, PA11 mi
- Eldred, PA12 mi
- Coudersport, PA15 mi
- Portville, NY17 mi
- Bolivar, NY20 mi
- Olean, NY20 mi
- Emporium, PA20 mi
- Lewis Run, PA22 mi
- Bradford, PA22 mi
- Allegany, NY24 mi
- Wellsville, NY26 mi
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