Tornado History Map

Harris County, Texas tornado history

268 tornadoes recorded in or across Harris County from 1950 to 2025, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Harris County

The Storm Prediction Center records 268 tornadoes whose paths touched Harris County, Texas between 1950 and 2025. They killed 12 people and injured 341. The busiest month is May, with 39 tornadoes. The strongest was an F4 on 21 November 1992. The most recent was on 24 November 2025.

  • 268tornadoes
  • 12deaths
  • 341injuries
  • 1,570per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Harris County?

RatingTornadoesShare
F0 / EF013651%
F1 / EF18732%
F2 / EF23413%
F3 / EF3104%
F4 / EF41<1%
F5 / EF500%
Unknown rating00%

Harris County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 64 in 1970s.1950s81960s181970s641980s521990s432000s392010s292020s15

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s8
1960s18
1970s64
1980s52
1990s43
2000s39
2010s29
2020s15
Tornadoes by month
Bar chart of tornadoes by period. The most is 39 in May.Jan16Feb19Mar21Apr23May39Jun20Jul8Aug30Sep16Oct27Nov35Dec14
Show the numbers
PeriodCount
Jan16
Feb19
Mar21
Apr23
May39
Jun20
Jul8
Aug30
Sep16
Oct27
Nov35
Dec14

Records for Harris County

Notable tornadoes in Harris County

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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