Tornado Climatology

Weather patterns that favor lots of tornadoes during each month of the year

While certain rules hold all year, each month has its own nuances.

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

Early May tends to be feast or famine for tornadoes

Even though May is the peak of tornado season, a lull to start the month is not as unusual as…

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

How does El Nino, La Nina or La Nada impact the following tornado season?

El Nino and La Nina events may impact tornado production in the United States. Finding out how is a bit…

9 years ago

November 2015 High Plains tornado outbreak was rare and historic for the region

This storm was an oddball. While it hit a place that sees tornadoes with regularity, the timing was kind of…

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

Hurricane Katrina also caused a tornado outbreak

Best known for being a Category 5 monster that inundated New Orleans, five dozen twisters also scoured the landscape during…

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