This is my latest interpretation of the weekly ECMWF long-range forecast model, which now goes out into the second week of March.
The model continues to keep the arctic air trapped either over western Alaska or over Siberia into the first half of March. After looking at the latest stratospheric temperature forecast for the northern latitudes over the next 10 days, it appears that this ECMWF forecast would make at least some sense as widespread cooling is expected around the pole and into northern Canada, which would support more of a positive Arctic Oscillation late in February and into March, which is similar to conditions we saw in December and January. The positive AO usually traps the coldest air across the far north and allows milder, Pacific air to overwhelm much of the country.
Even though the pattern looks relatively mild over the next few weeks in the eastern half of Canada that does not mean it will not snow. Obviously, lake-effect snowfall looks below normal from here on out, but there will be more storms with decent snowfall through March across eastern Canada... I am sure of it.
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There are growing indications that the stratosphere over the north pole may experience a major warming event in about 10 days.
Major thaw for the East later next week, but winter may make a comeback toward the end of the month and into early February.
The weather pattern will undergo a significant change across Canada and the U.S. by next week.
The storm that will bring a rare, heavy snowfall to the Carolinas and Virginia tonight into early Saturday will intensify as it moves out over the Atlantic waters on Saturday. This will set the stage for a quick-hitting snowstorm centered over Nova Scotia later Saturday into early Sunday.
Major winter storm to impact eastern Quebec and northern New Brunswick late Thursday through midday Friday.