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Category: Tornado Climatology

Strong November tornadoes in the United States

Strong November tornadoes in the United States

There is a bit of a spike in strong tornado activity in November across the record. Mississippi and Alabama lead…
Ian Livingston
November tornado climatology of the United States

November tornado climatology of the United States

Though November can be part of a late-year secondary peak in activity, most years are fairly quiet compared to earlier…
Ian Livingston
Tornadoes in California: Daily records and other basic climatology for the state

Tornadoes in California: Daily records and other basic climatology for the state

5 tornadoes were reported in California, with media stating it was the most on record for a day. Not quite.…
Ian Livingston
Strongest tornadoes by state, territory and district in the U.S.

Strongest tornadoes by state, territory and district in the U.S.

Most of the states in the country have been hit by strong tornadoes, and over half have seen a violent…
Ian Livingston

Significant October Tornadoes in the United States

Compared to the drop in overall tornadoes in October from September, the rate of decrease among strong or significant (F2/EF-2+)…
Ian Livingston

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

October is the fourth least productive month of the year when it comes to overall tornado counts. While there is…
Ian Livingston

Significant September Tornadoes in the United States

Throughout the historical period, September continues the late-summer trend of fewer significant (F2/EF-2+) tornadoes. It’s top end year is not…
Ian Livingston

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

There’s little doubt as we get into September that the off season for tornadoes is upon us. The month is…
Ian Livingston

Significant August Tornadoes in the United States

From 1950-2011, August has consistently seen fairly low numbers of strong/significant tornadoes rated F2/EF-2 or higher, though its ratio of…
Ian Livingston

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

While August is the fifth most tornado-filled month of the year in the U.S. by overall numbers (1950-2011), it’s the…
Ian Livingston

Near record low July tornado count only part of a quiet seasonal peak

July 2012 has ended with a historically low tornado count. As such, the quiet peak tornado season of 2012 fully…
Ian Livingston

Significant July Tornadoes in the United States

July continues the trend in recent months of a smaller ratio of significant tornadoes, or those F2/EF-2 and stronger, to…
Ian Livingston

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