A big late-winter cold outbreak in Europe has set up a major snowstorm for parts of France, U.K., Germany and the Low Countries.
The potential was for snowfall to reach 1 foot or more by Wednesday in hard-hit spots near the English Channel.
Several inches of snow could cover Paris, Brussels and Luxembourg.
The storm comes on the heels of Sunday's dusting of snow in parts of Great Britain. Roads were slicked in parts of Scotland and northern England as icy winds blew in from the North Sea.
Monday, heavy, windswept snow, a virtual blizzard, was hammering the Channel Islands of Jersey, Guernsey and Alderney. Heavy snow also shrouded the nearby Normandy Coast of France.
Composite radar based in the U.K. shows a shield of heavy snow over the English Channel to parts of northern France and Belgium. Some of the heaviest radar returns were over the Channel Islands, where heavy snow was falling. In England, the returns imply snow showers streaming in from the North Sea in an unusually cold flow of air. (Image credit: U.K. Met Office)
Elsewhere, significant snow stretched northward into southern England and eastward into Belgium.
The instigating weather system was a strong winter storm centered off western France as of Monday. North of the storm, an abnormal cold flow of air was pouring out of Scandinavia, crossing into the U.K. and northwestern Europe.
The winter storm was forecast to track eastward to southern Germany by Wednesday, extending the swath of snow across central Germany and even Poland.
An even bigger storm forecast to strengthen over Italy at midweek is could spread heavy snow northeastward over central and eastern Europe into Russia.
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The next Pacific storm will spread rain and mountain snow from Washington to Northern California by the middle of the week.
Heavy snow and blizzard conditions will continue to snarl travel and disrupt daily routines across the midwestern United States through Monday.
With rain set to dramatically lessen before reaching Southern California later this week, the threat of additional mudslides will remain low.
The first round of severe weather in 2018 for the south-central United States will continue from eastern Texas to southern Missouri into early Monday morning.
At least five people were killed when an avalanche struck a group of Turkish soldiers conducting military operations in southeastern Turkey on Sunday.
A storm will track and strengthen from the Rockies to the Upper Midwest of the United States and produce a swath of heavy snow and gusty winds on its northwestern flank.
The same storm spreading travel-disrupting snow across the central United States will prevent the January thaw from lasting past midweek in the midwestern and northeastern United States.