Ag Weather Forum
Doug Webster DTN Senior Ag Meteorologist
Thu Oct 8, 2015 11:37 AM CDT

Nearly a world away, across the tropical Pacific, warmer-than-average sea-surface temperatures have warmed to levels seen just a few times during the past century. This phenomenon known as El Nino occurs every several years or so and is caused when the normal east-to-west trade winds across the Pacific weaken or even come to a stop.

The normal transport of warm waters from the eastern to the western Pacific is disrupted, allowing the central and eastern Pacific to warm by as much as several degrees C. Sea level is also affected with the warmer eastern Pacific seeing higher levels and areas ...

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