NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Trout Run, 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
12 tropical systems have passed within 75 miles of Trout Run, Pennsylvania since 1851, 2 of them at hurricane strength; the most recent was David in 1979. Since 1950, 44 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 2
- Tropical storms
- 10
- Tornadoes
- 44
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
6 deaths in all
What the records show for Trout Run
The strongest storm to pass near Trout Run was an unnamed storm in 1878, a Category 1 hurricane with 83 mph winds when its centre passed 72 miles away. The closest pass by a hurricane was Hazel in 1954, whose centre came within 31 miles. The record near Trout Run begins with an unnamed storm in 1876; the most recent system was David in 1979, a tropical storm 28 miles away. None of the 12 systems has come since 2000. Trout Run has more hurricanes within 75 miles than 54% of the 794 Pennsylvania cities on this site. The strongest of the 44 tornadoes within 25 miles was an F4 on May 31, 1985; its path came within 21 miles. The deadliest, an F3 on May 31, 1985, killed 6 people. Of the 44, one had a path within 5 miles of the city centre, and 14 have come since 2000. May has had the most tornadoes, 11. The most recent tornado was on March 31, 2022. Of the 794 Pennsylvania cities, 72% have more tornadoes within 25 miles than Trout Run. Hail has been reported within 10 miles 21 times since 1973, with stones up to 1.75 inches (golf ball size). Of the 794 Pennsylvania cities, 84% have more hail reports within 10 miles than Trout Run.
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Tropical storms and hurricanes near Trout Run
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1979 | DavidSep 6 | 28 mi | Tropical storm (46 mph) | Category 5 |
| 1955 | ConnieAug 13 | 59 mi | Tropical storm (52 mph) | Category 4 |
| 1954 | HazelOct 16 | 31 mi | Category 1 (78 mph) | Category 4 |
| 1949 | Unnamed 1949 stormAug 29 | 47 mi | Tropical storm (58 mph) | Category 4 |
| 1933 | Unnamed 1933 stormAug 24 | 18 mi | Tropical storm (47 mph) | Category 4 |
| 1929 | Unnamed 1929 stormOct 3 | 73 mi | Tropical storm (58 mph) | Category 4 |
| 1903 | Unnamed 1903 stormSep 17 | 50 mi | Tropical storm (52 mph) | Category 2 |
| 1893 | Unnamed 1893 stormOct 14 | 37 mi | Tropical storm (71 mph) | Category 3 |
| 1888 | Unnamed 1888 stormAug 21 | 64 mi | Tropical storm (46 mph) | Category 3 |
| 1885 | Unnamed 1885 stormOct 14 | 8 mi | Tropical storm (46 mph) | Tropical storm |
| 1878 | Unnamed 1878 stormOct 23 | 72 mi | Category 1 (83 mph) | Category 2 |
| 1876 | Unnamed 1876 stormSep 18 | 42 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 Trout Run: 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 Trout Run
By decade
- 2020s1
- 2010s7
- 2000s6
- 1990s18
- 1980s4(2 EF3+)
- 1970s6(1 EF3+)
- 1960s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 31, 1985 | F4 | 21 mi | 69 mi | 0 / 0 |
| May 31, 1985 | F3 | 19 mi | 19 mi | 6 / 60 |
| Jul 29, 1976 | F3 | 15 mi | 25 mi | 0 / 0 |
| Oct 2, 2018 | EF2 | 9 mi | 2.17 mi | 0 / 0 |
| Aug 16, 1966 | F2 | 10 mi | 4.5 mi | 0 / 1 |
| Sep 19, 1954 | F2 | 20 mi | 12.8 mi | 0 / 0 |
| Mar 31, 2022 | EF1 | 25 mi | 9.14 mi | 0 / 1 |
| Apr 14, 2019 | EF1 | 24 mi | 10.43 mi | 0 / 0 |
| Jul 23, 2018 | EF1 | 13 mi | 2.12 mi | 0 / 0 |
| Jul 9, 2015 | EF1 | 14 mi | 0.94 mi | 0 / 0 |
| May 26, 2011 | EF1 | 22 mi | 2 mi | 0 / 0 |
| May 26, 2011 | EF1 | 22 mi | 5.57 mi | 0 / 0 |
The strongest 12 of 44, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Trout Run
The Storm Prediction Center has 21 hail reports within 10 miles of Trout Run since 1973, made on 18 separate days. Of these, 12 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 3 days, most recently October 2, 2018. The most recent report is from July 22, 2022. May and July have the most reports, 7 each.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Trout Run
The nearest NOAA station with 1991–2020 climate normals is Williamsport 2, PA, 13 miles south of Trout Run at 525 feet. July is the warmest, with an average high of 86°F and low of 63°F; January is the coolest, at 36°F and 21°F. September is the wettest at 4.5 inches of precipitation on average and February the driest at 2.4 inches; the year adds up to 42.7 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (23.3 of 42.7 inches); the other six months are drier. October has brought the most of the 12 tropical systems that passed within 75 miles (5); a normal October there has highs of 64°F and 3.7 inches of precipitation. Highs reach 90°F on about 25 days a year, almost all from May to September. Lows fall below freezing on about 118 nights a year. Snowfall averages 32.6 inches a year, most of it in January. That 42.7 inches is more than at 49 of the 148 Pennsylvania stations used on this site (33%). Montoursville, 13 miles southeast, has its own station (Williamsport, PA): 43.7 inches a year, 1.0 more than here, and a July average high of 85°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 36 | 21 | 3.0 | 6 | 8.7 |
| Feb | 39 | 22 | 2.4 | 6 | 8.6 |
| Mar | 49 | 29 | 3.3 | 6 | 5.7 |
| Apr | 63 | 39 | 3.6 | 8 | 0.8 |
| May | 74 | 50 | 3.8 | 9 | 0.0 |
| Jun | 81 | 59 | 3.9 | 8 | 0.0 |
| Jul | 86 | 63 | 4.3 | 8 | 0.0 |
| Aug | 84 | 62 | 3.8 | 7 | 0.0 |
| Sep | 76 | 55 | 4.5 | 7 | 0.0 |
| Oct | 64 | 43 | 3.7 | 6 | 0.1 |
| Nov | 51 | 33 | 3.1 | 6 | 1.6 |
| Dec | 40 | 26 | 3.3 | 7 | 7.1 |
| Year | 62 | 42 | 42.7 | 83 | 32.6 |
Averages for 1991–2020 at Williamsport 2, PA (525 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 Trout Run
Since 1996, the National Weather Service has logged 45 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Trout Run: 43 thunderstorm wind reports and 2 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $26.7 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on June 10, 2008.
October 21, 2016: flash flood 3 miles from the centre of Trout Run — $26.4 million damage.
NWS: “Heavy rainfall brought flash flooding to parts of Lycoming County during the early morning hours of Friday, October 21st. The Loyalsock and Lycoming Creek watersheds were most heavily impacted.”
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 Trout Run's ZIP code 17771 have filed 146 claims with the National Flood Insurance Program since 1979, and were paid $2.4 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 48 claims (33% of all) and $821,000, then Tropical Storm Lee in 2011 with 32 and Tropical Storm Ivan in 2004 with 12. 69% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 553 Pennsylvania cities on this site with 10 or more claims, 434 have fewer than Trout Run.
| Event | Claims | Paid |
|---|---|---|
| Flooding1996 | 48 | $821,000 |
| Tropical Storm Lee2011 | 32 | $629,000 |
| Tropical Storm Ivan2004 | 12 | $101,000 |
Lycoming County, which includes Trout Run, has been named in 21 federal disaster or emergency declarations since 1972, 15 of them major disasters (by incident: 7 floods, 5 severe storms, 3 hurricanes, 2 biological emergencies). The latest major disaster declaration was Tropical Storm Debby, on September 11, 2024. FEMA's National Risk Index gives Lycoming County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for inland flooding and lightning; Relatively Low for hurricanes, tornadoes and heat waves; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $40.9 million a year, the 23rd highest of 67 Pennsylvania counties; of the hazards above, the largest share, $34.8 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 Trout Run
- Cogan Station, PA9 mi
- Williamsport, PA12 mi
- Montoursville, PA13 mi
- South Williamsport, PA15 mi
- Linden, PA15 mi
- Blossburg, PA17 mi
- Canton, PA18 mi
- Jersey Shore, PA20 mi
- Montgomery, PA20 mi
- Hughesville, PA21 mi
- Muncy, PA22 mi
- Allenwood, PA22 mi
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