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Category: Tornado Climatology

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…
Ian Livingston

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…
Ian Livingston

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…
Ian Livingston

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…
Ian Livingston

March tornado deaths since 1950

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

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…
Ian Livingston

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%…
Ian Livingston

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…
Ian Livingston

U.S. Tornadoes: The month of March by the numbers

March is the oft-cited start of tornado season, though some experts rightfully point out that it never really ends —…
Ian Livingston

February tornado deaths from 1950-2010

As seen in the quick-wrap of February tornado statistics, 435 people were killed by 1,441 tornadoes from 1950-2010. Additionally, an…
Ian Livingston

Significant and intense February tornadoes by state

The graphs above and below examine only those tornadoes either “significant” (F2/EF-2+) or “intense” (F3/E-F3+). All significant tornadoes made up…
Ian Livingston

U.S. Tornadoes: The month of February by the numbers

February is not a typical tornado month, but it has featured plenty of tornadoes. Patrick Marsh has an excellent overview…
Ian Livingston

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