Philadelphia County tornado history

11 tornadoes touched Philadelphia County, Pennsylvania between 1950 and 2025 — about 0.1 a year. The strongest was rated EF3 (Jul 29, 2021).

11tornadoes since 1950
EF3strongest rating
0killed · 40 injured
20.8 milongest path · 2020
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F03
(E)F13
(E)F24
(E)F31
(E)F40
(E)F50

By month

JFMAMJJASOND

Peak month: July.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Jul 29, 2021EF33.4 mi530 yd00
Aug 4, 2020EF220.8 mi500 yd180
Jul 14, 1958F29.8 mi27 yd00
May 31, 1998F25.6 mi200 yd00
Jun 9, 1989F22 mi50 yd10
Aug 3, 1991F15 mi100 yd00
Jul 31, 1985F11.5 mi20 yd10
Jun 7, 1978F10.5 mi100 yd00
Jul 29, 2021EF00.4 mi40 yd00
Jan 18, 1999F00.2 mi20 yd180
May 18, 2011EF00.1 mi33 yd20

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jul 29, 2021EF33.4 mi530 yd00
Jul 29, 2021EF00.4 mi40 yd00
Aug 4, 2020EF220.8 mi500 yd180
May 18, 2011EF00.1 mi33 yd20
Jan 18, 1999F00.2 mi20 yd180
May 31, 1998F25.6 mi200 yd00
Aug 3, 1991F15 mi100 yd00
Jun 9, 1989F22 mi50 yd10
Jul 31, 1985F11.5 mi20 yd10
Jun 7, 1978F10.5 mi100 yd00
Jul 14, 1958F29.8 mi27 yd00

Nearby counties

Delaware County, PA6Camden County, NJ10Montgomery County, PA20Gloucester County, NJ15Bucks County, PA28Burlington County, NJ25Mercer County, NJ17Salem County, NJ4

Questions

How many tornadoes has Philadelphia County, Pennsylvania had?

11 tornadoes touched Philadelphia County, Pennsylvania between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.1 per year.

What was the strongest tornado in Philadelphia County?

The strongest rating recorded was EF3 on Jul 29, 2021, with a 3.4-mile path.

When is tornado season in Philadelphia County?

Most of its tornadoes happened in July (4 of 11). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).