Climatology

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

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…

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

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…

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

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

July is the fourth most active month of the year for tornadoes, but the continued downward trend from peak season…

12 years ago

Map: July Tornadoes in the United States

The high Plains and northern Plains are favored areas for July tornadoes. Our county map gives more detail to areas…

12 years ago

Significant June Tornadoes in the United States

Significant F2/EF-2+ tornadoes have historically made up just shy of 16 percent of all June tornadoes throughout the modern record…

12 years ago

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

June is past the yearly peak when looking at overall tornadoes by month, but what it lacks in numbers compared…

12 years ago

Map: June Tornadoes in the United States

June is near peak tornado activity, with the Plains and Midwest as hotsposts. Our county map gives more detail to…

12 years ago

Map: U.S. Tornadoes by County, 1950-2011

Almost the entire United States has been impacted by tornadoes in modern history. Our county map for all months gives…

12 years ago

Significant May Tornadoes in the United States

Roughly 20 percent of the 12,349 tornadoes in May (1950-2011) were significant. That's a hard count of 2,435 tornadoes. Since…

12 years ago