Model Predicts Colder Winter Temperatures in the East, Warmer in the West

Dec 16, 2005
A weather model for Dec., Jan., and Feb. shows cooler and snowier weather in the East and warmer, dryer weather in the West.

According to a model developed by atmospheric scientist Judah Cohen of Atmospheric and Environmental Research (AER), Inc., temperatures during Dec., Jan., and Feb. will be cold in the eastern United States and warm west of the Mississippi River.

Image: A weather model for Dec., Jan., and Feb. shows cooler and snowier weather in the East and warmer, dryer weather in the West. White areas on the map indicate typical winter temperatures. Blue indicates colder than normal, and red indicates warmer than normal. Credit: Judah Cohen, Atmospheric and Environmental Research, Inc.

The largest departures from normal are found in the eastern Great Lakes (darkest blue) and in the Southwest (darkest red). Cohen's model uses El Nino, recent temperature trends and Siberian snow cover in Oct, as well as sea-level pressure anomalies, in its winter forecast.

For Jan., Feb., and Mar. (at right), the model shows cold temperatures in the Northeast, the Great Lakes, and the Northern Plains and warm in the Rockies and along the West Coast.

Cohen says regions impacted by snow variability differ from those influenced by El Nino, which is often used in forecast models. "The influence of snow cover extent has the potential to complement El Nino-derived forecasts, and to advance our understanding of climate variability and its application in prediction models," he said.

Source: NSF

Explore further: Scars on Mars from 2012 rover landing fade—usually

add to favorites email to friend print save as pdf

Related Stories

Wild yaks: Shaggy barometers of climate change

Mar 04, 2015

A new study led by WCS (Wildlife Conservation Society), University of Montana, Qinghai Forestry Bureau, Keke Xili National Nature Reserve, and other groups finds that climate change and past hunting in the ...

Combined Arctic ice observations show decades of loss

Mar 03, 2015

It's no surprise that Arctic sea ice is thinning. What is new is just how long, how steadily, and how much it has declined. University of Washington researchers compiled modern and historic measurements to ...

Water in smog may reveal pollution sources

Mar 02, 2015

The chemical signature of water vapor emitted by combustion sources such as vehicles and furnaces has been found in the smoggy winter inversions that often choke Salt Lake City. The discovery may give researchers ...

Recommended for you

Europe resumes Galileo satnav deployment (Update)

Mar 27, 2015

Europe resumed deployment of its beleaguered Galileo satnav programme on Friday, launching a pair of satellites seven months after a rocket malfunction sent two multi-million euro orbiters awry.

More evidence for groundwater on Mars

Mar 27, 2015

Monica Pondrelli and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. On the plateau, ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.