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Snow Map and a Potential Nor'easter Next Week

November 01, 2012; 12:06 PM

Some snow for the Prairies later tonight and Friday

A weak clipper-type storm system will track southeastward from the Prairies into the northern U.S. by Friday. North and east of the track in the colder air, there will be a band of light to moderate snow. The storm does not have a lot of moisture, but we should be able to squeak out a small accumulation (especially on non-paved surfaces) in the below areas from tonight through Friday.

Potential East Coast Nor'easter next week.

Computer models continue to hint at a possible East Coast/Maritimes storm for the middle of next week.

Confidence is higher than usual that there will indeed be an intensifying storm off the Northeast U.S. coast by Wednesday. The question right now is the timing of the two pieces of upper-level energy that are supposed to phase. The earlier they phase, the more likely that the storm hugs the coast and spreads snow through interior New England and up into southeastern Quebec and perhaps northwestern New Brunswick, while rain and wind increase along the coast.

A slower phase means that the storm gets farther east out into the Atlantic earlier before getting drawn more northward. This scenario would mean most of the heavier precipitation misses New England and southeastern Quebec, while snow blossoms over New Brunswick, perhaps northwestern Nova Scotia and western PEI, while areas farther east have a higher chance of heavy rain.

Obviously, it is way early in the ballgame now, so just wait and see as better model guidance comes in over the weekend.


Other thoughts.......

--The middle of next week looks progressively colder across western Canada and the Northwest U.S. with some snow over the Rockies and into the Alberta Prairie.

-- The NAO remains in a negative phase for the next week then possibly trends toward neutral the following week. A negative NAO is responsible for cold and potentially stormy weather along the East Coast.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or


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Brett Anderson
Brett Anderson covers both short-term and long-term weather and storm forecasts for Canada in this blog for