Jefferson County tornado history

16 tornadoes touched Jefferson County, Pennsylvania between 1950 and 2025 — about 0.2 a year. The strongest was rated F2 (Jul 11, 1976). Tornadoes here killed 2 and injured 14 people.

16tornadoes since 1950

F2strongest rating

2killed · 14 injured

28.7 milongest path · 1976

(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F04

(E)F18

(E)F24

(E)F30

(E)F40

(E)F50

By month

JFMAMJJASOND

Peak month: August.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
Jul 11, 1976	F2	28.7 mi	33 yd	7	1
Jul 19, 1996	F2	27.4 mi	200 yd	6	0
Jul 19, 1996	F2	10 mi	100 yd	0	0
Oct 2, 2018	EF2	4.1 mi	200 yd	0	0
Oct 16, 2021	EF1	1.2 mi	260 yd	1	1
Aug 30, 1970	F1	10.8 mi	200 yd	0	0
Aug 21, 2018	EF1	2.4 mi	300 yd	0	0
Jun 2, 1998	F1	1.3 mi	100 yd	0	0
Jun 15, 2005	F1	0.5 mi	100 yd	0	0
Aug 19, 1968	F1	0.1 mi	10 yd	0	0
Jun 7, 1978	F1	0.1 mi	10 yd	0	0
May 11, 1981	F1	0.1 mi	10 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
Oct 16, 2021	EF1	1.2 mi	260 yd	1	1
Oct 2, 2018	EF0	4.8 mi	50 yd	0	0
Oct 2, 2018	EF2	4.1 mi	200 yd	0	0
Aug 21, 2018	EF1	2.4 mi	300 yd	0	0
Aug 21, 2014	EF0	0.5 mi	20 yd	0	0
Aug 21, 2014	EF0	5.4 mi	50 yd	0	0
Jun 15, 2005	F1	0.5 mi	100 yd	0	0
Jun 2, 1998	F1	1.3 mi	100 yd	0	0
Jul 30, 1996	F0	0.1 mi	50 yd	0	0
Jul 19, 1996	F2	10 mi	100 yd	0	0
Jul 19, 1996	F2	27.4 mi	200 yd	6	0
May 11, 1981	F1	0.1 mi	10 yd	0	0

Deadliest: Jul 11, 1976, F2, 1 killed.

Nearby counties

Clarion County, PA15 Elk County, PA16 Forest County, PA10 Clearfield County, PA8 Armstrong County, PA11 Indiana County, PA20 Venango County, PA13 Cambria County, PA22

Questions

How many tornadoes has Jefferson County, Pennsylvania had?

16 tornadoes touched Jefferson County, Pennsylvania between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.2 per year.

What was the strongest tornado in Jefferson County?

The strongest rating recorded was F2 on Jul 11, 1976, with a 28.7-mile path and 1 deaths.

When is tornado season in Jefferson County?

Most of its tornadoes happened in August (5 of 16). 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).