U.S. Tornado Map

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

When is the best time of year to schedule a storm chasing vacation?

Chasing prizes often come down to persistence, but there are ways to play the odds.

7 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

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

Annual and monthly tornado averages for each state (maps)

When it comes to tornadoes throughout the year, it's usually a matter of how many occur and where they happen.…

9 years ago

Here’s where tornadoes typically form in September across the United States

Tornado territory begins to noticeably shrink as fall arrives across the country. Tropical systems can spell big trouble.

9 years ago

Here’s where tornadoes typically form in August across the United States

The heart of tornado season is always in retreat by August. That said, it's kind of like a quiet July…

9 years ago

Here’s where tornadoes typically form in July across the United States

Tornado numbers begin their typical decline in July. It can be rapid some years, but given it's the peak heating…

9 years ago

Here’s where tornadoes typically form in June across the United States

June is typically the final month of peak tornado activity in any given year. What it often lacks in huge…

9 years ago