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.

4 years ago

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

It was the biggest tornado event in modern Oklahoma history.

6 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.

6 years ago

Rethinking how we conceptualize tornado days

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

7 years ago

A look at tornadoes by rating (maps)

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

7 years ago

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

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

7 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?

8 years ago

The largest tornado outbreaks of 2017

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

8 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…

8 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…

9 years ago