A Seasonal & Regional Tornado Breakdown

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A Seasonal & Regional Tornado Breakdown

  • Published: May 14th, 2014

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

Changing Rainfall Patterns in the U.S.

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Changing Rainfall Patterns in the U.S.

  • Published: May 8th, 2014

Since 1900, the average annual precipitation is up 5 percent for the continental U.S.

Extreme Precipitation Events are on the Rise

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Extreme Precipitation Events are on the Rise

  • Published: May 6th, 2014

Heavy downpours have increased in every region of the contiguous states since 1950.

Forecast Temperature Changes by 2100

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Forecast Temperature Changes by 2100

  • Published: May 6th, 2014

A look at how U.S. temperatures are projected to change, according to the Third National Climate Assessment released May 6, 2014.

CO2 Hits Climate Milestone

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CO2 Hits Climate Milestone

  • Published: May 1st, 2014

April 2014 was the first month in human history with average CO2 levels above 400 ppm.

Temps Marching Upward Since First Earth Day

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Temps Marching Upward Since First Earth Day

  • Published: Apr 22nd, 2014

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

Cherry Blossoms: Earlier Bloom

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Cherry Blossoms: Earlier Bloom

  • Published: Apr 14th, 2014

Cherry blossoms now appear five days earlier, on average, than they did 80 years ago.

Spring Snow Cover

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Spring Snow Cover

  • Published: Apr 2nd, 2014

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.