NOTICE: All of our websites and FTP areas (ncdc.noaa.gov, ncei.noaa.gov, climate.gov, toolkit.climate.gov, and drought.gov) are undergoing routine maintenance and will be temporarily unavailable from 4:00 PM on Tuesday, Dec 6 until approximately 1:00 AM on Wednesday, Dec 7 (EST). We apologize for this inconvenience.
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Natural Climate Patterns
- April 25, 2014
A pool of warm water lurking beneath the surface of the western Pacific has been slowly sloshing eastward in the past few months. This traveling wave of warm water is one of the signs that climate conditions are favorable for the emergence of El Niño later this year.
- April 15, 2014
Atmospheric rivers are the source of 30-50 percent of precipitation along the U.S. West Coast, and they are a major driver of the region's most serious floods. But the events are also called “drought busters” because, as these maps from 2010 show, just one or two storms can help replenish the water system during dry spells.
- April 9, 2014
The International Academy of the Digital Arts & Sciences has chosen us as one of five nominees for the annual Webby Awards for online excellence. Please consider voting us for the People's Voice Award!
- April 3, 2014
It’s finally here! Yesterday, scientists from the National Snow and Ice Data Center announced the ultimate sign of spring: Arctic sea ice reached its winter peak on March 21, 2014, and the annual melt season is underway.