El Niño’s Back!

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• July 10 2009
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According to the National Oceanic and Atmospheric Administration, the periodic warming trend of the Pacific Ocean known as El Niño’s back, a phenomenon that often leads to strong winter precipitation in the Western U.S.

The Associated Press reports:

The Pacific had been in what is called a neutral state. But forecasters at the  say the sea surface temperature climbed to 1.8 degrees Fahrenheit above normal along a narrow band in the eastern equatorial Pacific in June.

In addition, NOAA’s Climate Prediction Center said temperatures in other tropical regions are also above normal.

In general, El Nino conditions are associated with increased rainfall across the east-central and eastern Pacific and with drier than normal conditions over northern Australia, Indonesia and the Philippines.

A summer El Nino can lead to wetter than normal conditions in the intermountain regions of the United States. In an El Nino year there tend to be more Eastern Pacific hurricanes and fewer Atlantic hurricanes.