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Forecasters predict as many as six major hurricanes in the Atlantic this year due in part to warmer-than-average ocean temperatures.

Once NOAA realized conditions were ripe for severe weather they put their satellites on overdrive. They beamed back amazing images.

As it roared through the Oklahoma City suburb of Moore, packing winds of up to 200 mph, the twister flattened buildings. Searchers continue to look for survivors and those who were killed.

Since 1958, researchers have been measuring the amount of carbon dioxide in the atmosphere at the Mauna Loa Observatory. The remote outpost has just reported a carbon dioxide level of 400 parts per million — the highest it has climbed in the modern age.

Even though temperatures were less than normal late in the season, winter 2012-13 was still on the warm side.

When a storm is so deadly that using the name again would be insensitive, a replacement is found. Sandy, which hit the Caribbean and the U.S. last fall, left behind nearly 150 dead and more than $50 billion in damages.

A late March snowfall has caused multiple road closures across the state.Two of Colorado’s major roads are closed as road conditions continue to be…

NOAA also says it expects the drought in the central and western regions of the United States to persist.

A new smartphone app allows users to document falling precipitation in their location. The mPING app aims to help weather officials program radar to determine exactly what's falling near you. For example, is it hail or mixed rain?

Uccellini is a 24-year veteran of the service. He takes over at a time when the service is reeling from budget and personelle controversies.