Gallery Section
Telling the story with pictures

Octobers Are Getting Warmer Across the U.S.

Octobers Are Getting Warmer Across the U.S.

Even with the big swings of Halloween weather from year to year, Octobers are warming across the U.S.

Frost Free Season is Getting Longer

Frost Free Season is Getting Longer

All regions of the continental U.S. have seen the frost-free season, defined as the stretch between the last below-32°F reading in the spring and the first in the fall, grow longer.

California Drought Intensifies

California Drought Intensifies

The relentless heat that has plagued the western half of the country this summer has ratcheted up California’s terrible drought once again.

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.