Observing temperature patterns in the lower stratosphere gives scientists clues about our planet’s changing climate. Global average temperatures in the lower stratosphere for 2013 were slightly below the 1981–2010 average.  

Temperatures measured on land and at sea for more than a century show that Earth's globally averaged surface temperature is experiencing a long-term warming trend.

How do we verify forecasts that use probabilities? Read on to find out.

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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