Tornado Maps

Peak tornado season is often April or May, but that’s not always the case

May is by far the favorite in total counts. April leads for strong tornadoes.

5 years ago

May 3-4, 1999 tornado outbreak and the Bridge Creek-Moore F5

It was the biggest tornado event in modern Oklahoma history.

7 years ago

The most tornadoes in a calendar day by state

All states have had a big tornado day, and many have come in recent decades.

8 years ago

Rethinking how we conceptualize tornado days

Simple ways of defining tornado days leave a lot to be desired.

8 years ago

A look at tornadoes by rating (maps)

Examining tornadoes by a 0-5 ranking offers some clues to their patterns.

9 years ago

An overview of the modern tornado record, 1950 through present (maps)

Here's a concise look at the official tornado record.

9 years ago

A look at all the tornado warnings since 2008 (maps)

Tornado warnings outpace tornadoes by about 2.5 to 1. But where are they most common year-to-year?

9 years ago

The largest tornado outbreaks of 2017

Events throughout the course of the year that feature 20 or more confirmed tornadoes.

10 years ago

The calendar days with the most and fewest tornadoes

With more than 65 years of tornado records, we have a good idea of when activity is most and least…

10 years ago

Tracking the tornadoes of 2016 (this project has been discontinued)

Getting a true sense of the current year's tornado activity has typically been something of an educated guessing game. We're…

10 years ago