Official NOAA Climate Prediction Center estimates peg the odds of El Niño’s return at 50 percent, but many climate scientists think that is a lowball estimate. And there are several indications that if it materializes, this year’s El Niño could be massive, a lot like the 1997-98 event that was the strongest on record.
“I think there’s no doubt that there’s an El Niño underway,” said climate scientist Kevin Trenberth of the U.S. National Center for Atmospheric Research. “The question is whether it’ll be a small or big one.”
On top of some late-’90s nostalgia, a strong El Niño would bring pronounced changes to weather patterns around the globe, and possibly relief from some of the less-pleasant weather trends that have dominated headlines this year. After a Polar Vortex-fueled, unbearably cold winter in the U.S. Midwest and East Coast, a strong El Niño could bring warmer, drier weather in late 2014. And to parched California and its prolonged drought, El Niño might provide drenching rainstorms to fill up reservoirs. But the news won’t all be good. Rainstorms in California could mean floods and mudslides and, coupled with climate change.
The winter is when El Niño really gets going, though. Moisture flows from Hawaii to southern California in an atmospheric river colloquially known as the “Pineapple Express.” This creates heavy rainfall that dumps on the region. Though this could bring some relief from California’s drought, it also comes with the risk of flash floods and mudslides because the ground has been so hard and dry.
If conditions remain as they are right now, by June researchers will know that El Niño is on its way.
Stay tuned for information on the upcoming Winter of 2014-2015 it could be a BIG SNOW YEAR!
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