Gallery Section
Telling the story with pictures

A Seasonal & Regional Tornado Breakdown

A Seasonal & Regional Tornado Breakdown

The probability of a tornado touchdown somewhere in the U.S. jumps to nearly 80 percent in May and nearly 90 percent in June.

Temps Marching Upward Since First Earth Day

Temps Marching Upward Since First Earth Day

The contiguous U.S. has warmed 2.1°F since the first Earth Day in 1970.

More CO2 = More Pollen

More CO2 = More Pollen

Climate change has increased pollen counts and the length of the pollen season, trends that are expected to continue through mid-century.

Spring Snow Cover

Spring Snow Cover

While this has been a snowy winter, the past 50 years have shown a trend of less overall spring snow cover in the Northern Hemisphere.

Spring is Arriving Earlier in the U.S.

Spring is Arriving Earlier in the U.S.

Spring is arriving earlier across the U.S. by an average of three days.

2013 Record Highs vs. Record Lows

2013 Record Highs vs. Record Lows

For the first time in 20 years, the U.S. is on track to set more record lows than record highs in 2013.

2013 Hurricane Season

2013 Hurricane Season

This season was the least active since 1982 and the sixth-quietest since 1950.

Autumn is Falling Back

Autumn is Falling Back

Foliage color and timing has been starting later, on average, in a warming world.