Storms near Pennsylvania
The record holds 47 tropical cyclones whose tracks passed within 50 km of Pennsylvania between 1861 and 2021. The busiest month is September, with 20 of them. The strongest, measured where each came closest to the place, reached category 1 strength. 3 of the storms have no wind speed in the record.
- 47storms within 50 km
- 0major (category 3 to 5) near here
- 5at category 1 strength or more
A storm counts once, however many times it came close. The category is the storm's strongest point within 50 km, which can be weaker than its peak elsewhere.
How strong were the storms near Pennsylvania?
| Category near here | Storms | Share |
|---|---|---|
| Tropical depression | 9 | 19% |
| Tropical storm | 30 | 64% |
| Category 1 | 5 | 11% |
| Category 2 | 0 | 0% |
| Category 3 | 0 | 0% |
| Category 4 | 0 | 0% |
| Category 5 | 0 | 0% |
| Unknown intensity | 3 | 6% |
The agency behind most of the intensity figures here is the NOAA National Hurricane Center (HURDAT2, Atlantic).
Pennsylvania storms over time
The 2020s only run to 2021, so that bar is for a shorter period. This place's record starts in 1861, and records before the satellite era (about the 1960s) are far less complete.
Show the numbers
| Period | Count |
|---|---|
| 1860s | 5 |
| 1870s | 5 |
| 1880s | 4 |
| 1890s | 4 |
| 1900s | 1 |
| 1910s | 1 |
| 1930s | 2 |
| 1940s | 2 |
| 1950s | 4 |
| 1960s | 2 |
| 1970s | 4 |
| 1980s | 1 |
| 1990s | 5 |
| 2000s | 3 |
| 2010s | 1 |
| 2020s | 3 |
Earlier decades hold fewer storms partly because they were harder to see. Before weather satellites (about the 1960s) many storms that stayed at sea went unrecorded, so compare decades with care.
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 0 |
| Jun | 4 |
| Jul | 4 |
| Aug | 13 |
| Sep | 20 |
| Oct | 6 |
| Nov | 0 |
| Dec | 0 |
Strongest storms near Pennsylvania
- Unnamed storm of October 1878 (North Atlantic)13 October 1878 to 25 October 1878, Category 1 (80 kt) near here, peak Category 2 (90 kt), 963 hPa
- Unnamed storm of September 1896 (North Atlantic)22 September 1896 to 30 September 1896, Category 1 (70 kt) near here, peak Category 3 (110 kt), 960 hPa
- Unnamed storm of September 1903 (North Atlantic)12 September 1903 to 17 September 1903, Category 1 (70 kt) near here, peak Category 2 (85 kt), 990 hPa
- Unnamed storm of September 1893 (North Atlantic)25 September 1893 to 15 October 1893, Category 1 (65 kt) near here, peak Category 3 (105 kt), 955 hPa
- Irene (2011)21 August 2011 to 30 August 2011, Category 1 (65 kt) near here, peak Category 3 (105 kt), 942 hPa
- Unnamed storm of September 1861 (North Atlantic)27 September 1861 to 28 September 1861, Tropical storm (60 kt) near here, peak Category 1 (70 kt)
Most recent storms near Pennsylvania
- Henri (2021)15 August 2021 to 24 August 2021, Tropical depression (30 kt) near here, peak Category 1 (65 kt), 986 hPa
- Isaias (2020)28 July 2020 to 5 August 2020, Tropical storm (60 kt) near here, peak Category 1 (80 kt), 986 hPa
- Fay (2020)5 July 2020 to 11 July 2020, peak Tropical storm (50 kt), 998 hPa
- Irene (2011)21 August 2011 to 30 August 2011, Category 1 (65 kt) near here, peak Category 3 (105 kt), 942 hPa
- Hanna (2008)28 August 2008 to 8 September 2008, Tropical storm (45 kt) near here, peak Category 1 (75 kt), 977 hPa
Many of these storms killed people and destroyed homes. The figures are the official record's, and this page says nothing about their human cost.
Notable storms near Pennsylvania with their own pages
- Irene (2011)21 August 2011 to 30 August 2011, peak Category 3 (105 kt), 942 hPa
- Bertha (1996)5 July 1996 to 17 July 1996, peak Category 3 (100 kt), 960 hPa
- Connie (1955)3 August 1955 to 15 August 1955, peak Category 4 (120 kt), 944 hPa
- Isabel (2003)6 September 2003 to 20 September 2003, peak Category 5 (145 kt), 915 hPa
- Agnes (1972)14 June 1972 to 23 June 1972, peak Category 1 (70 kt), 977 hPa
- David (1979)25 August 1979 to 8 September 1979, peak Category 5 (150 kt), 924 hPa
- Hugo (1989)10 September 1989 to 25 September 1989, peak Category 5 (140 kt), 918 hPa
- Audrey (1957)24 June 1957 to 29 June 1957, peak Category 3 (110 kt), 946 hPa
- Frederic (1979)29 August 1979 to 15 September 1979, peak Category 4 (115 kt), 943 hPa
- Fran (1996)23 August 1996 to 10 September 1996, peak Category 3 (105 kt), 946 hPa
- Isidore (2002)14 September 2002 to 27 September 2002, peak Category 3 (110 kt), 934 hPa
Pennsylvania counties
Every county that a storm has come near is listed, most storms first. 67 of them have at least 3 storms and their own page.