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Delaware County, Pennsylvania
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
5
Tornado reports
63
Hail reports
258
Floods since 1996
1,367
All events
25
Deaths
$91.2M
Property damage
Tornado paths in Delaware County
The part of each tornado’s path NOAA recorded in this county, 5 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
A tree fell on a power line that fell on a house near Wallingford, which then started a house fire, killing one individual. Time estimated from radar.
Widespread flash flooding occurred in Delaware County with numerous road closures. Many creeks in the county overflowed their banks, including Chester Creek, Ridley Creek, Crum Creek and Cobbs Creek.
Widespread flash flooding occurred in Delaware County with numerous road closures. Many creeks in the county overflowed their banks, including Chester Creek, Ridley Creek, Crum Creek and Cobbs Creek.
Chester City was also hard hit by the powerful macroburst associated with the line of severe thunderstorms. About twenty homes and buildings were condemned because of wind damage including fallen trees. Buildings along the Avenue Of The States as well as trees within city parks w…
Flooding along the Darby Creek in Darby Borough was described as the heaviest since Hurricane Floyd. Dozens of families were evacuated and sought shelter at the Mercy Fitzgerald Hospital. People were rescued from the second floor windows on Springfield Road. Water was six to seve…
A funnel cloud was first spotted by two police officers about 700 feet above the ground in Media. The tornado then touched down 1 mile north of the intersection of the US Route 1 bypass and Route 320. It moved northeast toward Drexel Hill and northern Springfield where apparently…
Thunderstorm Wind Thunderstorm Wind
Several trees downed across Chester. Time estimated by radar.
Flash Flood Flash Flood
Spring Run flooded near Rose Tree Road.
Flash Flood Flash Flood
A water rescue occurred on Bernard Street in Upper Chichester Township due to heavy rain.
Flash Flood Flash Flood
A water rescue was needed on a flooded roadway in Lansdowne.
Flash Flood Flash Flood
Roadways flooded around Darby Township due to heavy rain.
Thunderstorm Wind Thunderstorm Wind
Several reports of wires down around Media. Time estimated from radar.
Thunderstorm Wind Thunderstorm Wind
Trees and wires down around Marple Township. Time estimated from radar.
Thunderstorm Wind Thunderstorm Wind
Multiple reports of wires down around Ridley Park and Prospect Park in Delaware County. Time estimated from radar.
Thunderstorm Wind Thunderstorm Wind
Trees down around Radnor Township. Time estimated from radar.
Thunderstorm Wind Thunderstorm Wind
Reports of wires down around Broomall. Time estimated from radar.
Excessive Heat Excessive Heat
The heat index at Philadelphia International Airport reached 105 degrees on June 11th and 106 degrees on June 12th.
Flash Flood Flash Flood
Flooding was observed on Interstate 476 northbound 1.2 miles north of Exit 9, shutting down at least one lane of the interstate.
Hail Hail
Skywarn spotter sent a picture of quarter-sized hail.
Thunderstorm Wind Thunderstorm Wind
Multiple trees blown down on Route 1 in Media which resulted in lane closures.
Thunderstorm Wind Thunderstorm Wind
US-1 south is closed between the intersections of Painters Crossing Drive and Heyburn Road in Chadds Ford Township due to downed trees and wires blocking the roadway. Time estimated from radar.
Winter Weather Winter Weather
A light glaze of ice from freezing rain occurred across the area based on surrounding reports.
Winter Storm Winter Storm
Snowfall amounts generally ranged from around 8-12. The highest reliable measurement received was 12.0 from Swarthmore.
Dense Fog Dense Fog
Several hours of dense fog was observed at Philadelphia International Airport.
High Wind High Wind
A wind gust of 58 mph was recorded at Philadelphia International Airport.
Winter Storm Winter Storm
Storm total snow and sleet accumulation totals mainly ranged from 7-10. The highest report received was 10.1 In Chadds Ford Township.
Winter Weather Winter Weather
Snowfall totals ranged from 2-4. The highest reported amount was 4.2 in Bethel Township.
Dense Fog Dense Fog
Several hours of dense fog was observed at Philadelphia International Airport.
High Wind High Wind
The ASOS at Philadelphia International Airport reported a gust of 60 mph.
Winter Weather Winter Weather
Snow and sleet totals ranged from a trace to near 0.5. The highest report was 0.4 from Swarthmore. A light glaze of freezing rain/freezing drizzle also occurred across the city. As much as 0.10 of ice was reported from Chads Ford Township.
High Wind High Wind
The ASOS at Philadelphia International Airport reported a wind gust of 62 mph.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 22 | 0 |
| 2025 | 62 | 0 |
| 2024 | 21 | 0 |
| 2023 | 26 | 0 |
| 2022 | 30 | 0 |
| 2021 | 68 | 0 |
| 2020 | 83 | 0 |
| 2019 | 57 | 1 |
| 2018 | 22 | 0 |
| 2017 | 23 | 0 |
| 2016 | 18 | 0 |
| 2015 | 52 | 0 |
| 2014 | 60 | 0 |
| 2013 | 47 | 0 |
| 2012 | 42 | 0 |
| 2011 | 51 | 0 |
| 2010 | 41 | 1 |
| 2009 | 42 | 0 |
| 2008 | 37 | 0 |
| 2007 | 48 | 0 |
| 2006 | 49 | 0 |
| 2005 | 41 | 0 |
| 2004 | 38 | 0 |
| 2003 | 49 | 0 |
| 2002 | 39 | 0 |
| 2001 | 32 | 0 |
| 2000 | 36 | 0 |
| 1999 | 55 | 0 |
| 1998 | 41 | 0 |
| 1997 | 37 | 0 |
| 1996 | 29 | 0 |
| 1995 | 5 | 0 |
| 1994 | 2 | 0 |
| 1993 | 1 | 1 |
| 1992 | 6 | 1 |
| 1991 | 8 | 0 |
| 1990 | 2 | 0 |
| 1989 | 5 | 0 |
| 1988 | 6 | 0 |
| 1987 | 4 | 0 |
| 1986 | 1 | 0 |
| 1985 | 3 | 0 |
| 1984 | 1 | 0 |
| 1983 | 1 | 0 |
| 1980 | 2 | 0 |
| 1977 | 1 | 0 |
| 1976 | 3 | 0 |
| 1974 | 1 | 0 |
| 1973 | 1 | 1 |
| 1972 | 2 | 0 |
| 1971 | 1 | 0 |
| 1970 | 1 | 0 |
| 1969 | 3 | 0 |
| 1968 | 2 | 0 |
| 1967 | 1 | 0 |
| 1961 | 1 | 0 |
| 1959 | 1 | 0 |
| 1958 | 2 | 0 |
| 1957 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Delaware County, measured to its path.
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