Severe Weather History


County archive · 1950 — present

Harper County, Kansas

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Harper County, Kansas severe weather history spans 709 recorded events between 1953 and 2026. The dominant hazard is hail, accounting for 51.1% of all recorded events. It ranks #387 nationally and #38 in Kansas.

709

Recorded events

0

Direct deaths

7

Direct injuries

$11.7M

Property damage

The record

What the Harper County, Kansas severe weather history record shows

Across the archive, Harper County, Kansas severe weather history averages 9.7 recorded events a year. The busiest stretch on record is the 2000s, with 320 events logged in that decade alone. Roughly 102 events fall before 1990 and 607 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The costliest is flash flood, with $6.4M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.

Harper County, Kansas severe weather history: recorded events per decade since 1950
Harper County, Kansas severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Harper County

HazardEventsDeathsDamageMaxSpan
Hail3620$426K4.51955–2026
Thunderstorm Wind2410$1.6M801956–2025
Tornado640$3.3MF41953–2025
Flash Flood230$6.4M01997–2019
Flood100$2K02007–2019
Heavy Rain60$002008–2023
Lightning20$25K02001–2004
Funnel Cloud10$002010–2010
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Harper County, Kansas severe weather history by decade

171950s
91960s
401970s
361980s
1331990s
3202000s
1152010s
392020s

Reporting practice changed over time — early decades are undercounted, not calmer.

Tornado tracks

Paths crossing this county

67 mapped tornado paths intersect this county: 64 touched down inside it and 3 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
2004-05-12EF4011.2 miTouched down here
2012-05-19EF3009.7 miTouched down here
2012-05-19EF3009.7 miTouched down here
1964-05-05EF30033.0 miCrossed in
2024-05-25EF2006.7 miTouched down here
2004-05-12EF2002.0 miTouched down here
2004-05-12EF2001.0 miTouched down here
2004-05-12EF2001.8 miTouched down here
2004-05-29EF2008.0 miTouched down here
1967-06-11EF20032.2 miCrossed in
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Harper County

DateTypeLocationDeathsInjuriesDamage
Apr 23, 2004Thunderstorm WindHARPER03$75K
Apr 27, 2009Flash FloodCORWIN01$5.0M
May 13, 2004TornadoHARPER01$275K
Apr 23, 2004Thunderstorm WindHARPER01$350K
Apr 23, 2004LightningFREEPORT01$0
Source: NOAA/NCEI Storm Events · dates UTC

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Context

Risk, population and federal disasters

Very Low

FEMA NRI risk rating

5,400

Population (ACS)

$84K

Median home value

21

Federal declarations

DeclaredIncidentTitleType
Sep 11, 2025Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGDR
Mar 29, 2020BiologicalCOVID-19 PANDEMICDR
Mar 13, 2020BiologicalCOVID-19EM
Jun 20, 2019Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, FLOODING,LANDSLIDES,AND MUDSLIDESDR
Jul 20, 2015Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODINGDR
Oct 22, 2013Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGDR
Source: FEMA OpenFEMA disaster declarations · most recent first

Within the county

Most affected places

  • Anthony 183
  • Attica 142
  • Harper 140

Quick answers

Frequently asked

How many severe weather events have been recorded in Harper County, Kansas?

709 events are on record between 1953 and 2026, causing 0 direct deaths and $11.7M in property damage.

What is the most common severe weather hazard in Harper County?

Hail, with 362 recorded events — 51.1% of everything in the archive for this county.

How many tornadoes have crossed Harper County?

67 mapped tornado paths intersect the county boundary; 64 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Harper County?

21 federal disaster declarations from FEMA include Harper County, each tied to a specific incident period.

How risky is Harper County compared with the rest of the country?

FEMA's National Risk Index rates Harper County as very low risk, placing it in the 31 percentile of its state for expected annual loss.

Where does the Harper County, Kansas severe weather history data come from?

Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.

Nearby

Neighbouring counties

All counties in this state →

Cite this page

“Harper County, Kansas.” Severe Weather History. severeweatherhistory.com/county/kansas/harper-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov