Storms near Philadelphia County
The record holds 10 tropical cyclones whose tracks passed within 50 km of Philadelphia County, Pennsylvania between 1872 and 2020. The busiest month is August, with 4 of them. The strongest, measured where each came closest to the place, reached category 1 strength.
- 10storms within 50 km
- 0major (category 3 to 5) near here
- 1at 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 Philadelphia County?
| Category near here | Storms | Share |
|---|---|---|
| Tropical depression | 1 | 10% |
| Tropical storm | 8 | 80% |
| Category 1 | 1 | 10% |
| Category 2 | 0 | 0% |
| Category 3 | 0 | 0% |
| Category 4 | 0 | 0% |
| Category 5 | 0 | 0% |
| Unknown intensity | 0 | 0% |
The agency behind most of the intensity figures here is the NOAA National Hurricane Center (HURDAT2, Atlantic).
Philadelphia County storms over time
The 2020s only run to 2020, so that bar is for a shorter period. This place's record starts in 1872, and records before the satellite era (about the 1960s) are far less complete.
Show the numbers
| Period | Count |
|---|---|
| 1870s | 1 |
| 1880s | 1 |
| 1900s | 1 |
| 1910s | 1 |
| 1950s | 2 |
| 1970s | 1 |
| 1990s | 1 |
| 2000s | 1 |
| 2020s | 1 |
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 | 1 |
| Jul | 1 |
| Aug | 4 |
| Sep | 3 |
| Oct | 1 |
| Nov | 0 |
| Dec | 0 |
Strongest storms near Philadelphia County
- 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
- Doria (1971)20 August 1971 to 29 August 1971, peak Tropical storm (60 kt), 989 hPa
- Bertha (1996)5 July 1996 to 17 July 1996, Tropical storm (60 kt) near here, peak Category 3 (100 kt), 960 hPa
- Isaias (2020)28 July 2020 to 5 August 2020, Tropical storm (60 kt) near here, peak Category 1 (80 kt), 986 hPa
- Able (1952)18 August 1952 to 3 September 1952, Tropical storm (50 kt) near here, peak Category 2 (85 kt), 983 hPa
Most recent storms near Philadelphia County
- Isaias (2020)28 July 2020 to 5 August 2020, Tropical storm (60 kt) near here, peak Category 1 (80 kt), 986 hPa
- Hanna (2008)28 August 2008 to 8 September 2008, Tropical storm (45 kt) near here, peak Category 1 (75 kt), 977 hPa
- Bertha (1996)5 July 1996 to 17 July 1996, Tropical storm (60 kt) near here, peak Category 3 (100 kt), 960 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.
A storm that came near several counties counts in each one, so county counts add up to more than the state's.