El Niño and La Niña conditions occur when abnormally warm or cool waters accumulate in tropical latitudes of the central and eastern Pacific Ocean. The Oceanic Nino Index is the tool NOAA scienitsts use to watch for these temperature changes. 

According to NOAA’s Spring Outlook released today, rivers in western New York and eastern New England have the greatest risk of spring flooding in part because of heavy snowpack coupled with...

The long-anticipated El Niño has finally arrived, according to forecasters with NOAA’s Climate Prediction Center. In their updated monthly outlook released today, forecasters issued an El Niño...

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