ADVERTISEMENT
See Inside Scientific American Volume 307, Issue 6

Extreme Winter Weather Explained

Loss of Arctic sea ice is stacking the deck in favor of harsh winter weather in the U.S. and Europe

More In This Article

Editor's Note (11/13/12): This article was edited after original publication in the print edition to include several corrections and clarifications.

The past three winters in parts of North America and Europe were unusual. First, during the winters of 2009–2011, the eastern seaboard of the U.S. and western and northern Europe endured a series of exceptionally cold and snowy storms—including the February 2010 “snowmageddon” storm in Washington, D.C., that shut down the federal government for nearly a week. Later that year, in October, the NOAA Climate Prediction Center (CPC) forecasted a mild 2010–2011 winter for the eastern U.S., based on a La Niña pattern of cooler than usual ocean temperatures in the eastern Pacific. But even with La Niña's moderating effects, very low temperatures and record snowfalls hit New York City and Philadelphia in January 2011, catching the CPC and other forecasters by surprise.

This is only a preview. Get the rest of this article now!

Select an option below:

Customer Sign In

*You must have purchased this issue or have a qualifying subscription to access this content


It has been identified that the institution you are trying to access this article from has institutional site license access to Scientific American on nature.com.
Click here to access this article in its entirety through site license access.

Rights & Permissions
Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.
Scientific American Dinosaurs

Get Total Access to our Digital Anthology

1,200 Articles

Order Now - Just $39! >

X

Email this Article

X