Harper County tornado history

67 tornadoes touched Harper County, Kansas between 1950 and 2025 — about 0.9 a year. The strongest was rated F4 (May 12, 2004).

67tornadoes since 1950
F4strongest rating
0killed · 1 injured
33 milongest path · 1964
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F040
(E)F113
(E)F28
(E)F33
(E)F41
(E)F50
unrated2

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
May 12, 2004F41.2 mi500 yd10
May 5, 1964F333 mi660 yd00
May 19, 2012EF39.7 mi100 yd00
May 19, 2012EF39.7 mi150 yd00
Jun 11, 1967F232.2 mi10 yd00
May 4, 1959F211.2 mi50 yd00
May 29, 2004F28 mi500 yd00
May 25, 2024EF26.7 mi100 yd00
May 17, 1959F22 mi400 yd00
May 12, 2004F22 mi300 yd00
May 12, 2004F21.8 mi200 yd00
May 12, 2004F21 mi100 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jun 17, 2025EF00.1 mi10 yd00
May 25, 2024EF26.7 mi100 yd00
Jun 23, 2019unrated0.8 mi50 yd00
Jun 23, 2019unrated0.6 mi50 yd00
May 6, 2015EF00.3 mi50 yd00
Dec 14, 2014EF06 mi100 yd00
May 19, 2012EF39.7 mi100 yd00
May 19, 2012EF39.7 mi150 yd00
Apr 14, 2012EF122.3 mi1,000 yd00
Mar 7, 2009EF00.5 mi75 yd00
Mar 7, 2009EF00.5 mi75 yd00
May 6, 2007EF01 mi50 yd00

Nearby counties

Kingman County, KS66Grant County, OK72Sumner County, KS86Barber County, KS42Alfalfa County, OK52Sedgwick County, KS90Pratt County, KS76Reno County, KS89

Questions

How many tornadoes has Harper County, Kansas had?

67 tornadoes touched Harper County, Kansas between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.9 per year.

What was the strongest tornado in Harper County?

The strongest rating recorded was F4 on May 12, 2004, with a 1.2-mile path.

When is tornado season in Harper County?

Most of its tornadoes happened in May (33 of 67). 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.