Significant Tornadoes

The Natchez, Mississippi tornado of 1840

This tornado is considered the second deadliest in U.S. history.

8 years ago

Top 10 tornado days in the United States

When it comes to top calendar days for tornadoes, May leads all other months with six days falling into the…

12 years ago

Tornado Weekly: April 7-13, 2013

The second week of April began with much anticipation as a strong upper-level trough pushed out into the Plains. Instead,…

12 years ago

Comparing the tornadoes of 2012 to average and to 2011

2012 tornado data was recently published by the Storm Prediction Center. We take a quick look at how it broke…

12 years ago

Strong January tornadoes in the United States

Most years have a handful of these F2/EF-2+ events, with the averages skewed toward years with moderate or large outbreaks.

12 years ago

Strong December tornadoes in the United States

The most damaging of tornadoes are relatively infrequent in the cool season, but they do happen, and they tend to…

12 years ago

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…

12 years ago

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…

12 years ago

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+)…

12 years ago

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…

12 years ago

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…

12 years ago

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…

12 years ago