Viscious Cold Front Pierces Heart of the Nation @DisasterMapnet

Posted on January 7, 2015 By

As the nation braces for the next chilling wave, we down south can only watch in awe as everything freezes around us, still never quite used to winter as a hard freeze. Stay tuned to for updates! ~Bruce Biles interactive map of the continental US. interactive map of the continental US.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
358 PM EST Tue Jan 06 2015

Valid 00Z Wed Jan 07 2015 - 00Z Fri Jan 09 2015

***Bitterly cold temperatures from the Dakotas to the Northeast***

***Lake effect snow continues downwind of the Great Lakes***

***Mild and dry for the western part of the country***

The weather pattern over the next few days will feature a massive surface
high settling southward from Canada to the Great Plains on Wednesday,
following by another large surface high by the end of the week.  Both of
these features are of Arctic origin, and will bring bitterly cold weather
from the western High Plains to the Mid-Atlantic and Northeast U.S. 
Widespread subzero overnight lows are forecast for the Dakotas, Upper
Midwest, Great Lakes, and interior New England.  Wind chill advisories and
warnings are in effect for many of these same areas, with some of the
coldest wind chill readings in the -25 to -45 degree range!  Some record
low temperatures are also possible.

In addition to the frigid temperatures, the cold air advection over the
Great Lakes along with upper-level shortwave energy moving over the region
is expected to produce significant lake effect snow downwind from the
Great Lakes through midweek.  The heaviest snow is likely to occur east of
lakes Erie and Ontario, where local amounts will easily exceed one foot. 
Some upslope snow is likely in the central and northern Appalachians as
well.  The western U.S. is expected to remain dry with mild temperatures
through the end of the week.

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