NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Orrtanna, 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
23 tropical systems have passed within 75 miles of Orrtanna, Pennsylvania since 1851, 2 of them at hurricane strength; the most recent was Sandy in 2012. Since 1950, 60 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 2
- Tropical storms
- 21
- Tornadoes
- 60
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Orrtanna
The strongest storm to pass near Orrtanna was an unnamed storm in 1878, a Category 1 hurricane with 90 mph winds when its centre passed 38 miles away. The closest pass by a hurricane was Hazel in 1954, whose centre came within 5 miles. The record near Orrtanna begins with an unnamed storm in 1876; the most recent system was Sandy in 2012, a tropical storm 12 miles away. The busiest decade was the 1890s, with 5 systems. Of the 23 systems, 2 have come since 2000. Orrtanna has more hurricanes within 75 miles than 54% of the 794 Pennsylvania cities on this site. The highest rating among the 60 tornadoes within 25 miles is F3, reached 4 times; the most recent, on May 22, 1983, came within 14 miles. Of the 60, 3 had paths within 5 miles of the city centre, and 22 have come since 2000. April has had the most tornadoes, 11. The most recent tornado was on May 27, 2022. Orrtanna has more tornadoes within 25 miles than 50% of the 794 Pennsylvania cities. Hail has been reported within 10 miles 24 times since 1965, with stones up to 1.75 inches (golf ball size). Of the 794 Pennsylvania cities, 79% have more hail reports within 10 miles than Orrtanna.
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Tropical storms and hurricanes near Orrtanna
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2012 | SandyOct 30 | 12 mi | Tropical storm (59 mph) | Category 3 |
| 2006 | ErnestoSep 3 | 36 mi | Tropical storm (39 mph) | Category 1 |
| 1979 | DavidSep 6 | 20 mi | Tropical storm (46 mph) | Category 5 |
| 1955 | DianeAug 18 | 31 mi | Tropical storm (40 mph) | Category 2 |
| 1955 | ConnieAug 13 | 16 mi | Tropical storm (54 mph) | Category 4 |
| 1954 | HazelOct 15 | 5 mi | Category 1 (82 mph) | Category 4 |
| 1952 | AbleSep 1 | 30 mi | Tropical storm (58 mph) | Category 2 |
| 1949 | Unnamed 1949 stormAug 29 | 5 mi | Tropical storm (58 mph) | Category 4 |
| 1943 | Unnamed 1943 stormOct 1 | 40 mi | Tropical storm (40 mph) | Tropical storm |
| 1934 | Unnamed 1934 stormJun 19 | 47 mi | Tropical storm (46 mph) | Category 2 |
| 1933 | Unnamed 1933 stormAug 24 | 16 mi | Tropical storm (56 mph) | Category 4 |
| 1929 | Unnamed 1929 stormOct 2 | 54 mi | Tropical storm (58 mph) | Category 4 |
| 1928 | Unnamed 1928 stormSep 20 | 35 mi | Tropical storm (46 mph) | Category 5 |
| 1915 | Unnamed 1915 stormAug 4 | 47 mi | Tropical storm (48 mph) | Category 1 |
| 1899 | Unnamed 1899 stormNov 1 | 68 mi | Tropical storm (58 mph) | Category 2 |
| 1896 | Unnamed 1896 stormSep 30 | 63 mi | Tropical storm (68 mph) | Category 3 |
| 1893 | Unnamed 1893 stormOct 23 | 17 mi | Tropical storm (41 mph) | Tropical storm |
| 1893 | Unnamed 1893 stormOct 14 | 30 mi | Tropical storm (72 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 29 | 38 mi | Tropical storm (63 mph) | Category 3 |
| 1888 | Unnamed 1888 stormAug 21 | 32 mi | Tropical storm (47 mph) | Category 3 |
| 1885 | Unnamed 1885 stormOct 13 | 17 mi | Tropical storm (46 mph) | Tropical storm |
| 1878 | Unnamed 1878 stormOct 23 | 38 mi | Category 1 (90 mph) | Category 2 |
| 1876 | Unnamed 1876 stormSep 18 | 23 mi | Tropical storm (62 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Orrtanna: 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 Orrtanna
By decade
- 2020s3
- 2010s6
- 2000s13
- 1990s17
- 1980s5(2 EF3+)
- 1970s7
- 1960s5(1 EF3+)
- 1950s4(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 22, 1983 | F3 | 14 mi | 2 mi | 0 / 0 |
| Jun 7, 1980 | F3 | 19 mi | 1.5 mi | 0 / 0 |
| Apr 16, 1961 | F3 | 14 mi | 0.1 mi | 0 / 0 |
| Apr 5, 1952 | F3 | 22 mi | 17.5 mi | 0 / 4 |
| Apr 19, 2019 | EF2 | 23 mi | 2.89 mi | 0 / 0 |
| Sep 24, 2001 | F2 | 23 mi | 5 mi | 0 / 0 |
| Apr 30, 1994 | F2 | 9 mi | 6 mi | 0 / 2 |
| Jun 7, 1980 | F2 | 19 mi | 5.6 mi | 0 / 0 |
| Aug 28, 1978 | F2 | 19 mi | 20 mi | 0 / 0 |
| Mar 21, 1976 | F2 | 8 mi | 1 mi | 0 / 0 |
| Apr 25, 1954 | F2 | 9 mi | 13.3 mi | 0 / 0 |
| Apr 13, 2020 | EF1 | 24 mi | 0.38 mi | 0 / 0 |
The strongest 12 of 60, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Orrtanna
The Storm Prediction Center has 24 hail reports within 10 miles of Orrtanna since 1965, made on 22 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 4 days, most recently June 23, 2008. The most recent report is from August 4, 2023. June has the most reports, 7.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Orrtanna
The nearest NOAA station with 1991–2020 climate normals is S Mountain, PA, 7 miles west of Orrtanna at 1,520 feet. July is the warmest, with an average high of 81°F and low of 62°F; January is the coolest, at 36°F and 21°F. September is the wettest at 5.1 inches of precipitation on average and February the driest at 2.9 inches; the year adds up to 48.6 inches over 85 days with at least a tenth of an inch. June to November, the hurricane season months, bring 51% of the year's precipitation (24.9 of 48.6 inches); the other six months are drier. October has brought the most of the 23 tropical systems that passed within 75 miles (8); a normal October there has highs of 61°F and 4.1 inches of precipitation. Highs reach 90°F on about 3 days a year, almost all from July. Lows fall below freezing on about 129 nights a year. Snowfall averages 33.0 inches a year, most of it in January. That 48.6 inches is more than at 120 of the 148 Pennsylvania stations used on this site (81%). Biglerville, 6 miles northeast, has its own station (Biglerville, PA): 45.2 inches a year, 3.4 less than here, and a July average high of 86°F against 81°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 36 | 21 | 3.7 | 7 | 10.6 |
| Feb | 39 | 21 | 2.9 | 6 | 9.5 |
| Mar | 47 | 28 | 4.4 | 7 | 6.5 |
| Apr | 59 | 38 | 4.2 | 8 | 0.6 |
| May | 69 | 49 | 4.7 | 9 | 0.0 |
| Jun | 77 | 58 | 4.6 | 8 | 0.0 |
| Jul | 81 | 62 | 3.9 | 7 | 0.0 |
| Aug | 79 | 60 | 3.9 | 7 | 0.0 |
| Sep | 73 | 53 | 5.1 | 7 | 0.0 |
| Oct | 61 | 43 | 4.1 | 6 | 0.0 |
| Nov | 50 | 33 | 3.3 | 6 | 0.6 |
| Dec | 40 | 26 | 3.8 | 7 | 5.2 |
| Year | 59 | 41 | 48.6 | 85 | 33.0 |
Averages for 1991–2020 at S Mountain, PA (1,520 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 Orrtanna
Since 1996, the National Weather Service has logged 146 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Orrtanna: 129 thunderstorm wind reports, 10 floods and 7 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $9.0 million in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on June 21, 2021. September has had the most flash floods, 3 of 7. Of the 788 Pennsylvania cities on this site with a flash flood on record, 112 have had fewer than Orrtanna.
June 21, 2021: thunderstorm wind 2 miles from the centre of Orrtanna — $8.0 million damage.
NWS: “A severe thunderstorm producing winds estimated near 75 mph brought down multiple trees and wires from Cashtown to Fairfield.”
January 19, 1996: thunderstorm wind 10 miles from the centre of Orrtanna — $500,000 damage.
January 1, 2005: flood 8 miles from the centre of Orrtanna — $200,000 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
Adams County, which includes Orrtanna, has been named in 20 federal disaster or emergency declarations since 1972, 14 of them major disasters (by incident: 7 floods, 4 severe storms, 4 snowstorms, 3 hurricanes). The latest major disaster declaration was Covid-19 Pandemic, on March 30, 2020. FEMA's National Risk Index gives Adams County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hurricanes, inland flooding and strong wind; Relatively Low for tornadoes, lightning and heat waves; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $27.2 million a year, the 33rd highest of 67 Pennsylvania counties; of the hazards above, the largest share, $17.3 million (63%), 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 Orrtanna
- Biglerville, PA6 mi
- Fayetteville, PA8 mi
- Fairfield, PA8 mi
- Gettysburg, PA9 mi
- Aspers, PA11 mi
- Waynesboro, PA13 mi
- Emmitsburg, MD13 mi
- Gardners, PA13 mi
- Shippensburg, PA14 mi
- Chambersburg, PA17 mi
- York Springs, PA17 mi
- New Oxford, PA17 mi
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