Tornado Climatology

F0/EF-0 through F5/EF-5 U.S. Tornado Trends, Plus a Look at Oklahoma and Alabama

Over the past few weeks there have been a number of searches for graphs showing F0/EF-0 through F5/EF-5 tornado trends since records…

13 years ago

Violent F4/EF-4 and F5/EF-5 Tornadoes in the United States since 1950

Combined, violent tornadoes make up a still rather meager 1 percent of all tornadoes, but they caused 64 percent of…

13 years ago

U.S. Tornadoes: The Month of April by the Numbers

Tornado season ramps up quite strongly during April, but the month is often defined by substantial outbreaks intermixed with quieter…

13 years ago

Significant tornado days, 1981-2010

Last week, we took a first crack at total (F0/EF0+) tornado days in the U.S. during the current 1991-2010 averaging…

13 years ago

F5/EF-5 Tornadoes: The 0.1 Percenters that Can’t be Ignored

F5/EF-5 tornadoes are a force of nature most folks hope to never come face-to-face with. From 1950-2010, they made up…

13 years ago

A first crack at U.S. tornado days, the 1991-2010 numbers

I recently posted graphs showing the raw totals of tornadoes both by month and by day. They indicated a monthly peak…

13 years ago

March tornado deaths since 1950

We took a cursory look at March tornado deaths in the general overview of March tornadoes -- there were 676…

13 years ago

Total U.S. Tornadoes by Month and by Day

Tornadoes can happen -- and have happened -- all year long, though spring and summer are well known as the…

13 years ago

Significant March tornadoes in the United States

As briefly touched upon in the general overview of March tornadoes, significant (F2/EF-2+) only touched down 1,080 times (or 30%…

13 years ago

March calendar day tornado records and the March 2012 outbreak

As the March 2, 2012 tornado outbreak was kicking into high gear today, I shared the image below on Twitter…

13 years ago