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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Ridley Park, 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

39 tropical systems have passed within 75 miles of Ridley Park, Pennsylvania since 1851, 2 of them at hurricane strength; the most recent was Ida in 2021. Since 1950, 89 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.

Hurricanes
2

within 75 mi, since 1851

Tropical storms
37

below hurricane strength

Tornadoes
89

within 25 mi, since 1950

EF3 or stronger
5

3 deaths in all

What the records show for Ridley Park

The strongest storm to pass near Ridley Park was an unnamed storm in 1878, a Category 1 hurricane with 86 mph winds when its centre passed 58 miles away. The closest pass by a hurricane was an unnamed storm in 1904, whose centre came within 53 miles. The record near Ridley Park begins with an unnamed storm in 1861; the most recent system was Ida in 2021, a tropical storm directly overhead. Of the 39 systems, 9 have come since 2000. Ridley Park has more hurricanes within 75 miles than 54% of the 794 Pennsylvania cities on this site. The highest rating among the 89 tornadoes within 25 miles is F3 or EF3, reached 5 times; the most recent, on September 1, 2021, came within 11 miles. The deadliest, an EF2 on September 1, 2021, killed 1 person. Of the 89, 2 had paths within 5 miles of the city centre, and 27 have come since 2000. July has had the most tornadoes, 23. The most recent tornado was on May 16, 2025. Ridley Park has more tornadoes within 25 miles than 91% of the 794 Pennsylvania cities. Hail has been reported within 10 miles 105 times since 1957, with stones up to 2.5 inches (tennis ball size). Ridley Park has more hail reports within 10 miles than 88% of the 794 Pennsylvania cities.

Compare Ridley Park's storm record with another city →

Tropical storms and hurricanes near Ridley Park

Tropical systems that passed within 75 miles of Ridley Park, Pennsylvania, newest first
YearStormClosestStrength when closestPeak
2021IdaSep 2overheadTropical storm (40 mph)Category 4
2021ElsaJul 964 miTropical storm (58 mph)Category 1
2020IsaiasAug 416 miTropical storm (64 mph)Category 1
2020FayJul 1052 miTropical storm (46 mph)Tropical storm
2013AndreaJun 870 miTropical storm (46 mph)Tropical storm
2012SandyOct 3012 miTropical storm (71 mph)Category 3
2011IreneAug 2856 miTropical storm (67 mph)Category 3
2008HannaSep 629 miTropical storm (52 mph)Category 1
2006ErnestoSep 273 miTropical storm (40 mph)Category 1
1999FloydSep 1662 miTropical storm (62 mph)Category 4
1996BerthaJul 1325 miTropical storm (69 mph)Category 3
1992DanielleSep 2636 miTropical storm (40 mph)Tropical storm
1971DoriaAug 2840 miTropical storm (64 mph)Tropical storm
1961Unnamed 1961 stormSep 1562 miTropical storm (60 mph)Tropical storm
1960BrendaJul 3045 miTropical storm (58 mph)Tropical storm
1955DianeAug 1927 miTropical storm (41 mph)Category 2
1952AbleSep 139 miTropical storm (58 mph)Category 2
1944Unnamed 1944 stormAug 362 miTropical storm (40 mph)Category 1
1934Unnamed 1934 stormJun 193 miTropical storm (46 mph)Category 2
1929Unnamed 1929 stormOct 349 miTropical storm (58 mph)Category 4
1924Unnamed 1924 stormSep 3042 miTropical storm (70 mph)Category 1
1916Unnamed 1916 stormMay 1771 miTropical storm (53 mph)Tropical storm
1915Unnamed 1915 stormAug 427 miTropical storm (53 mph)Category 1
1904Unnamed 1904 stormSep 1553 miCategory 1 (76 mph)Category 1
1903Unnamed 1903 stormSep 1623 miTropical storm (69 mph)Category 2
1902Unnamed 1902 stormJun 1672 miTropical storm (45 mph)Tropical storm
1900Unnamed 1900 stormOct 1475 miTropical storm (40 mph)Tropical storm
1899Unnamed 1899 stormNov 130 miTropical storm (58 mph)Category 2
1893Unnamed 1893 stormAug 2941 miTropical storm (63 mph)Category 3
1888Unnamed 1888 stormSep 1142 miTropical storm (40 mph)Tropical storm
1888Unnamed 1888 stormAug 2268 miTropical storm (46 mph)Category 3
1882Unnamed 1882 stormSep 2455 miTropical storm (46 mph)Tropical storm
1878Unnamed 1878 stormOct 2358 miCategory 1 (86 mph)Category 2
1877Unnamed 1877 stormOct 545 miTropical storm (69 mph)Category 3
1874Unnamed 1874 stormSep 2932 miTropical storm (62 mph)Category 1
1872Unnamed 1872 stormOct 2630 miTropical storm (46 mph)Category 1
1866Unnamed 1866 stormOct 3059 miTropical storm (63 mph)Tropical storm
1863Unnamed 1863 stormSep 1926 miTropical storm (54 mph)Tropical storm
1861Unnamed 1861 stormSep 2843 miTropical storm (67 mph)Category 1

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Ridley Park: 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 Ridley Park

By decade

  • 2020s13(2 EF3+)
  • 2010s9
  • 2000s5
  • 1990s23(1 EF3+)
  • 1980s14
  • 1970s10
  • 1960s10(1 EF3+)
  • 1950s5(1 EF3+)
Strongest tornadoes near Ridley Park, Pennsylvania
DateRatingDistancePathKilled / injured
Mar 22, 1955F314 mi9.6 mi1 / 0
Sep 1, 2021EF311 mi12.37 mi0 / 2
Jul 29, 2021EF324 mi3.4 mi0 / 0
Jul 27, 1994F323 mi4 mi0 / 11
Apr 28, 1961F319 mi0.3 mi0 / 0
Sep 1, 2021EF217 mi8.28 mi1 / 2
Sep 5, 1979F223 mi4.1 mi1 / 4
Aug 4, 2020EF224 mi20.77 mi0 / 18
Oct 31, 2019EF211 mi0.47 mi0 / 2
Sep 28, 2004F217 mi5 mi0 / 0
May 31, 1998F223 mi5.6 mi0 / 0
Jul 17, 1992F221 mi4 mi0 / 0

The strongest 12 of 89, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Ridley Park

The Storm Prediction Center has 105 hail reports within 10 miles of Ridley Park since 1957, made on 60 separate days. Of these, 56 were 1 inch across or larger, and one reached 2 inches. The largest, 2.5 inches (tennis ball size), fell on May 22, 2014. The most recent report is from May 3, 2025. May has the most reports, 32.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Ridley Park

The nearest NOAA station with 1991–2020 climate normals is Philadelphia International Airport, PA, 5 miles east of Ridley Park at 10 feet. July is the warmest, with an average high of 88°F and low of 70°F; January is the coolest, at 41°F and 26°F. July and September are the wettest at 4.4 inches of precipitation on average and February the driest at 2.8 inches; the year adds up to 44.2 inches over 73 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (23.5 of 44.2 inches); the other six months are drier. September has brought the most of the 39 tropical systems that passed within 75 miles (15); a normal September there has highs of 79°F and 4.4 inches of precipitation. Highs reach 90°F on about 30 days a year, almost all from May to September. Lows fall below freezing on about 77 nights a year. Snowfall averages 23.1 inches a year, most of it in February. That 44.2 inches is more than at 71 of the 148 Pennsylvania stations used on this site (48%). Woodlyn, 1 mile west, has its own station (Marcus Hook, PA): 41.8 inches a year, 2.4 less than here, and a July average high of 89°F against 88°F.

Water temperature at the NOAA tide station Marcus Hook, PA, 7 miles southwest, averaged 82°F in July and 39°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Philadelphia tide gauge, 10 miles from Ridley Park, has risen 1.24 ± 0.04 inches per decade from 1900 to 2025, NOAA's linear trend; at that pace it is 12.4 inches in a hundred years. That is faster than at 73 of the 144 U.S. gauges with a NOAA trend.

Monthly climate normals 1991–2020 at Philadelphia International Airport, PA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow inWater °F
Jan41263.167.139
Feb44282.868.439
Mar53344.073.646
Apr65443.560.355
May74543.360.064
Jun83644.070.074
Jul88704.460.082
Aug86684.360.081
Sep79614.460.075
Oct67493.560.066
Nov56392.960.255
Dec46314.073.543
Year654744.27323.160

Averages for 1991–2020 at Philadelphia International Airport, PA (10 ft), from NOAA NCEI U.S. Climate Normals; water temperature: average of hourly readings 2021–2025 at the NOAA tide station Marcus Hook, PA, from NOAA Tides & Currents. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Pennsylvania weather by month, station by station →

Floods, thunderstorm wind and lightning near Ridley Park

Since 1996, the National Weather Service has logged 738 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Ridley Park: 481 thunderstorm wind reports, 170 flash floods, 56 floods, 21 lightning strikes and 10 heavy rain events. They killed 7 people and injured 33, and the NWS estimated $61.7 million in property and crop damage. The strongest thunderstorm gust on record here was 105 mph, on April 4, 2025. August has had the most flash floods, 55 of 170. Of the 788 Pennsylvania cities on this site with a flash flood on record, 729 have had fewer than Ridley Park.

  • October 14, 2003: thunderstorm wind 10 miles from the centre of Ridley Park — 1 killed, 1 injured.

  • July 28, 2013: flash flood 6 miles from the centre of Ridley Park — 1 killed, 1 injured.

  • November 15, 2008: thunderstorm wind 6 miles from the centre of Ridley Park — 1 killed.

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 Ridley Park's ZIP code 19078 have filed 20 claims with the National Flood Insurance Program since 1985, and were paid $120,000 for buildings and contents, in the dollars of each year. 35% 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, 114 have fewer than Ridley Park.

Delaware County, which includes Ridley Park, has been named in 24 federal disaster or emergency declarations since 1965, 16 of them major disasters (by incident: 7 hurricanes, 6 floods, 4 severe storms, 3 snowstorms). The latest major disaster declaration was Remnants of Hurricane Ida, on September 10, 2021. FEMA's National Risk Index gives Delaware County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, inland flooding, strong wind, lightning and heat waves; Relatively Moderate for hurricanes and coastal flooding; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $134.9 million a year, the 7th highest of 67 Pennsylvania counties; of the hazards above, the largest share, $73.9 million (55%), 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 Ridley Park