According to The National Oceanic and Atmospheric Administration (NOAA) the eastern U.S. will not be facing the wrath of a truly wintery winter. It will not be chilly for long.
Currently it is colder than average in the eastern United States, with bits of the midwest, and warmer than the average in most of the West. This is from a block of air over the North Pacific which is allowing the push of cold air southward, making the unseasonably chilly temperatures after our uncomfortably warm autumn. The Southwest seems to be the only consistent area with its averages, and it seems like it will stay that way.
The Northeast cold is going to continue past Thanksgiving, due to the Greenland block. And it is believed that this will be the only cold we get this year, through most of the country.
La Nina is a huge reason for these warmer temperatures, with NOAA forecasting strangely warmer weather than what most people are used to for the time. This most likely means a green Christmas is in the forecast. Though, NOAA also predicts that La Nina will be weaker than other years, meaning weather changes will not be too strong or too sudden.
But nothing is set in stone for this winter yet. The true forecast will only be known once we are deeper into the season.
Original Article found here: https://www.popsci.com/weather-winter-2017-noaa
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