Chase County, Kansas tornadoes

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50 confirmed tornadoes since NOAA records began in 1950 (the first here in 1950). Most recent: April 19, 2023, EF2. 2026 so far: 0 preliminary reports preliminary

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Every tornado path in the county

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

At a glance

Total501950 to 2025
Per year0.7average since 1950
Peak monthApril19 of 50
StrongestF3May 18, 1950
Deaths0whole paths, see note
Injuries13whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Chase County.

When tornadoes hit here

By month

190 Jan: 0Feb: 1Mar: 3Apr: 19May: 13Jun: 7Jul: 5Aug: 2Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 19 of 50 tornadoes.

By time of day

160 12 AM: 1: 0: 03 AM: 0: 1: 06 AM: 0: 0: 09 AM: 0: 0: 112 PM: 0: 1: 23 PM: 3: 7: 56 PM: 10: 16: 09 PM: 3: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 7:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

90 1950: 1: 0: 0: 1: 2: 0: 3: 0: 0: 01960: 0: 1: 1: 0: 4: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 1: 0: 0: 0: 1: 01980: 0: 0: 0: 0: 1: 1: 1: 1: 0: 01990: 3: 4: 1: 1: 0: 0: 0: 0: 2: 02000: 2: 0: 1: 0: 0: 0: 0: 0: 4: 12010: 0: 0: 0: 0: 0: 0: 1: 2: 0: 02020: 0: 0: 0: 9: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
31
EF1
8
EF2
8
EF3
3

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

Notable tornadoes

Strongest

F3, May 18, 1950

14.9 mile path Longest path

127 miles, F3

April 2, 1956, whole path Widest

880 yards, EF2

April 19, 2023

All 50 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 19, 2023EF25.21 mi300 yd00
Apr 19, 2023EF03.17 mi150 yd01
Apr 19, 2023EF02.57 mi175 yd00
Apr 19, 2023EF11.03 mi50 yd00
Apr 19, 2023EF11.28 mi200 yd00
Apr 19, 2023EF211.59 mi880 yd00
Apr 19, 2023EF02.12 mi100 yd01
Apr 19, 2023EF00.2 mi25 yd00
Apr 19, 2023EF10.06 mi75 yd00
May 19, 2017EF10.8 mi60 yd00
May 19, 2017EF00.21 mi50 yd00
Jul 7, 2016EF00.11 mi50 yd00
Jun 15, 2009EF01.29 mi75 yd00
Jul 9, 2008EF00.29 mi40 yd00
Jul 9, 2008EF00.37 mi40 yd00
Jun 12, 2008EF07.96 mi75 yd00
Jun 12, 2008EF03.53 mi75 yd00
May 8, 2002F02 mi220 yd00
May 1, 2000F01 mi50 yd00
May 1, 2000F01 mi50 yd00
Jun 13, 1998F00.5 mi60 yd00
Jun 8, 1998F00.2 mi60 yd00
Jul 2, 1993F00.5 mi50 yd00
Mar 5, 1992F00.2 mi10 yd00
Apr 26, 1991F01 mi50 yd00

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 12, 2026.