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On October 20, 2016, the National Oceanic and Atmospheric Administration's Climate Prediction Center issued its U.S. Winter Outlook. A La Niña was expected to influence winter conditions, and the CPC noted that such conditions were likely to either develop in the late fall or early winter.
It will feel like an extended winter for those living from the northern Plains to the eastern U.S., as cold and snowy conditions stretch into spring 2017.
The first is astronomical winter, which has the season starting on a date known as the winter solstice, often on or around December 21. The season lasts until the spring equinox, which often occurs on or around March 20. The second has to do with meteorological winter which varies with latitude for a start date. [1]
We take a look into how the past four winters fared in terms of snowfall and temperatures, plus what to expect for snow this winter.
The North American winter of 2017–18 began in the month of November with the highest snow extent in at least one and a half decades, with snow covering over a quarter of the contiguous United States, [4] 22% more than the same date in 2011, the next-most-recent year with comparable snow coverage at that date.
These snowfall maps are simply fun to study—and compare to what happens by the end of the season. In a normal winter (January through March), the jet stream pushes south, nudging storms down, too.
A winter storm moves through the Midwest, on March 23.. The winter of 2015–16 was quite unusual and historic in terms of winter weather. First, around the end of November near Black Friday, a crippling ice storm hit the Southern and Central Plains with as much as 1.5 inches (38 mm) of ice accumulation in some areas, knocking out power to over 100,000 residents. [5]
Winter storm warnings were in effect over a huge area from the Sierra Nevada in California east to the Upper Midwest and north as far as Wisconsin. 'Ridiculously heavy': Huge winter storm makes ...