Deke Arndt of NOAA’s National Climatic Data Center reports that heavy rains from Hurricane Isaac in late August fell too late–and mostly in the wrong places–to provide much relief from U.S. drought.

The lead character in the 2011 climate story was La Niña—the cool phase of the El Ni

In late-April 2011, an unusual, post-winter Nor’easter brought much-needed rain the Northeast United States.

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