Severe Weather History


County archive · 1950 — present

Hamilton County, Indiana

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Hamilton County, Indiana severe weather history spans 579 recorded events between 1961 and 2026. The dominant hazard is thunderstorm wind, accounting for 44.7% of all recorded events. It ranks #638 nationally and #6 in Indiana.

579

Recorded events

10

Direct deaths

51

Direct injuries

$49.9M

Property damage

The record

What the Hamilton County, Indiana severe weather history record shows

Across the archive, Hamilton County, Indiana severe weather history averages 8.9 recorded events a year. The busiest stretch on record is the 2000s, with 193 events logged in that decade alone. Roughly 90 events fall before 1990 and 489 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The deadliest hazard in the Hamilton County, Indiana record is tornado, responsible for 6 direct deaths. The costliest is tornado, with $28.3M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.

Hamilton County, Indiana severe weather history: recorded events per decade since 1950
Hamilton County, Indiana severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Hamilton County

HazardEventsDeathsDamageMaxSpan
Thunderstorm Wind2591$2.1M801961–2026
Hail1740$5.1M2.751965–2025
Lightning531$8.7M01996–2019
Flood352$167K01998–2024
Tornado306$28.3MF41962–2025
Flash Flood260$5.5M02002–2025
Heavy Rain20$002009–2009
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Hamilton County, Indiana severe weather history by decade

141960s
221970s
541980s
651990s
1932000s
1502010s
812020s

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

Tornado tracks

Paths crossing this county

31 mapped tornado paths intersect this county: 24 touched down inside it and 7 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
1965-04-11EF42812345.7 miCrossed in
2002-09-20EF30127112.0 miCrossed in
1992-11-22EF3009.0 miCrossed in
1965-11-26EF30514.7 miCrossed in
2024-07-29EF2003.0 miTouched down here
2007-04-11EF2004.0 miTouched down here
1992-11-22EF2002.0 miTouched down here
1974-06-07EF2008.0 miTouched down here
1962-09-13EF2001.0 miTouched down here
2025-04-02EF1006.6 miTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Hamilton County

DateTypeLocationDeathsInjuriesDamage
Apr 12, 1965Tornado630$25.0M
Apr 19, 2013FloodARCADIA20$25K
Mar 28, 2021Thunderstorm WindINDIANAPOLIS METRO A10$30K
Apr 8, 1999LightningCARMEL10$0
Jun 5, 2005LightningSHERIDAN06$0
Nov 27, 1965Tornado05$250K
Jun 6, 2008Thunderstorm WindSHERIDAN02$50K
Jul 20, 1998Thunderstorm WindSHERIDAN02$5K
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

Relatively Moderate

FEMA NRI risk rating

365,056

Population (ACS)

$406K

Median home value

19

Federal declarations

DeclaredIncidentTitleType
Jan 24, 2026Winter StormSEVERE WINTER STORMEM
Apr 3, 2020BiologicalCOVID-19 PANDEMICDR
Mar 13, 2020BiologicalCOVID-19EM
Apr 22, 2014Severe StormSEVERE WINTER STORM AND SNOWSTORMDR
Jun 8, 2008Severe StormSEVERE STORMS, FLOODING, AND TORNADOESDR
Mar 12, 2007SnowstormSNOWEM
Source: FEMA OpenFEMA disaster declarations · most recent first

Within the county

Most affected places

  • Fishers 125
  • Noblesville 120
  • Carmel 112

Quick answers

Frequently asked

How many severe weather events have been recorded in Hamilton County, Indiana?

579 events are on record between 1961 and 2026, causing 10 direct deaths and $49.9M in property damage.

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

Thunderstorm Wind, with 259 recorded events — 44.7% of everything in the archive for this county.

How many tornadoes have crossed Hamilton County?

31 mapped tornado paths intersect the county boundary; 24 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Hamilton County?

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

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

FEMA's National Risk Index rates Hamilton County as relatively moderate risk, placing it in the 89 percentile of its state for expected annual loss.

Where does the Hamilton County, Indiana 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

“Hamilton County, Indiana.” Severe Weather History. severeweatherhistory.com/county/indiana/hamilton-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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