Massive Winter Storm(s) With Extreme Impacts

More than 150 million Americans are currently under Winter Advisories as  “unprecedented” winter weather continues from coast-to-coast. Widespread record lows expected. Temps may reach between 40-50 degrees below average. Welcome to the new Grand Solar Minimum.

  • A massive winter storm will lift from the southern Plains to the Northeast through Tuesday with snow, sleet, and freezing rain.
  • Expect significant travel disruptions and power outages.
  • Arctic air with frigid temperatures and dangerous wind chills will remain over the central third of the U.S. this week.
  • Heavy snow (4-8 inches) and significant ice accumulations from Midwest/Tennessee/Ohio Valleys to the Northeast, all the way to Maine tonight.
  • Frigid Arctic air and dangerously cold wind chills to persist in the Great Plains and Mississippi Valley through midweek.
  • Unprecedented winter weather across parts of the southern Continental US.
  • Widespread record low temps expected.
  • Temperatures may reach between 40-50 degrees below average.
  • Possible freezing rain for parts of the Ohio Valley through parts of the coastal Northeast.
  • Potential for 0.1 inches of ice from central Pennsylvania up to southern New England and eastern Maine.
  • Snow totals for Central/Southern Rockies between 8-12 inches with 1-2 feet possible over highest peaks.
  • 4 to -8 inches of snow likely over much of Oklahoma, Arkansas and southern Missouri starting Tuesday night.
  • 1 to 2 feet of snowfall over the mountains of the Pacific Northwest and Northern Rockies, 2-4 feet for highest peaks likely through Wednesday.

An active weather pattern will continue produce unprecedented winter weather across parts of the southern CONUS. Winter Storm Warnings/Advisories and Ice Warnings extend from eastern/southern Texas through the Mississippi/Ohio/Tennessee Valley, Mid-Atlantic and Northeast.

A major winter storm will continue to spread heavy snow across parts of the Midwest and interior Northeast tonight before receding into the Northeast on Tuesday. A wide swath of 4-8 inches of snow will fall from the Ohio Valley to Maine while some isolated areas, particularly points downwind of Lakes Eerie and Ontario, may get up to a foot of snow by Wednesday.

Freezing rain will be a concern for parts of the Ohio Valley through parts of the coastal Northeast. An area of 0.1 inches of ice may accumulate from central Pennsylvania up to southern New England and eastern Maine.

Another system, currently in the Rockies, will move into the Southern Plains tomorrow. This system will spread heavy snow from the Rockies today into the Southern Plains and Lower Mississippi Valley on Tuesday and Wednesday. Freezing rain will impact an aerial swath extending from eastern Texas to southwestern Tennessee late Tuesday.

Snow totals for the Central/Southern Rockies may range between 8-12 inches with 1-2 feet possible over the highest peaks through Tuesday. Between 4-8 inches of
snow are likely to fall over much of Oklahoma, Arkansas and southern Missouri starting Tuesday night and extending through Wednesday.

An area of 0.25 inches of freezing rain may develop across the eastern Texas/northern Louisiana region tomorrow. Windy conditions will continue across the Northern/Central Plains.

Significant snowfall over the mountains of the Pacific Northwest and Northern Rockies to come. Between 1-2 feet of snow is likely to fall over this area with the highest peaks likely to receive between 2-4 feet of snow through Wednesday.

Anomalously cold air will sit over the Plains and Mississippi Valley through Wednesday before high pressure begins to move east. Widespread hi/lo records are expected to be broken tomorrow and Wednesday across the Southern Plains and Lower Mississippi Valley where highs and lows may reach between 40-50 degrees below average.

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

 

The post Massive Winter Storm(s) With Extreme Impacts appeared first on Ice Age Now.

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February 15, 2021 at 03:48PM

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