Second Winter Storm Moving into the Southern U.S.

Record-breaking low temperatures to continue.

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A winter storm will exit off the Maine coast through this evening with additional snow and ice. A second major winter storm will begin to impact the Southern U.S. today, bringing heavy snow and icing to areas recently impacted by winter weather before moving east.

Record breaking temperatures into midweek

The arctic air mass over the central U.S. will continue well below normal and record breaking temperatures into midweek

Lingering areas of snow and freezing rain over Lower Great Lakes and New England this evening.

Frigid Arctic air and dangerously cold wind chills to persist in the Great Plains and Mississippi Valley through midweek.

New winter storm to impact Southern Plains to Northeast through Thursday; system arrives in Pacific Northwest by Friday.

The winter storm that brought multiple inches of snow ice and freezing temperatures to the Southern Plains and the Northeast over the last few days will exit into Nova Scotia and the Canadian Maritime tonight. Snow and ice impacts will subsequently come to an end. Winter Storm Warnings and Advisories remain in effect for northeastern Maine.

25-40 degrees below average

Frigid arctic air will remain over the central CONUS over the next couple of days as high pressure slowly begins to slide eastward. High temperatures are likely to between 25-40 degrees below average for much of the Central/Southern Plains as well as Lower/Middle Mississippi Valley on Wednesday and Thursday.

Relentless cold – Records may be broken across many parts of the Southern Plains and Lower Mississippi Valley

Hi/Lo records maybe broken across many parts of the Southern Plains and Lower Mississippi Valley over the next couple of days, as a result. These relentlessly cold conditions over the aforementioned areas will pave the way for yet another round of wintry weather, beginning this evening.

Heavy snow for Oklahoma and Arkansas

An area of low pressure will develop over southern Texas this evening. This low pressure will go onto produce heavy snow and ice from the Southern Plains, through the Mississippi Valley tomorrow and into the Northeast by Thursday. An area of 3-6 inches of snow are possible for much of Oklahoma and Arkansas through tomorrow.

Between 0.1 to 0.25 inches of freezing rain may fall over eastern Texas through northern Louisiana/southern Arkansas/western Mississippi.

Winter Storm Warnings, Advisories, Watches, and Hard Freeze Warnings are currently in effect for parts of the Southern Plains, and Lower Mississippi Valley. Rain along with scattered to isolated thunderstorms will develop within the warm sector of this system and impact an area stretching from the Gulf coast to the Southeast and eventually the Northeast coast over the next couple of days. Rainfall totals will generally remain below an inch while some parts of the Deep South may see more than that.

3-6 inches of snow for parts of the Central Appalachians

This winter storm will move into the Ohio Valley, Mid-Atlantic and Northeast by Wednesday evening and Thursday. Parts of the Central Appalachians may receive between 3-6 inches of snow during this period. Parts of central/southern Virginia and North Carolina will be the focus for significant freezing rain accumulations, where between a tenth and a quarter of an inch of ice may fall on Thursday.

Meanwhile, a new system is forecast to arrive over the Pacific Northwest region on Thursday, bringing with it the chance for another round of coastal rain and mountain snow.

https://www.wpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=pmdspd

 

The post Second Winter Storm Moving into the Southern U.S. appeared first on Ice Age Now.

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February 16, 2021 at 07:59PM

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