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Showing results for tags 'first snow'.
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December 9th, first snow for eastern MA and RI
USCAPEWEATHERAF posted a blog entry in Once a legend always a legend
6z GFS produces over a foot of snow for my location in the next week, it combines the first storm on December 9th and something after it on December 11th, still 72 hours before the first flakes or drops -
Looking at the latest 12z model data, it appears that the last week of October through the Halloween holiday and into the first few weeks of November the Teleconnections will favor trough in the east and ridge in the west type pattern where sustained cold will be possible in New England north of 40N latitude. This could mean a stormy November in which cold air sinks into the Oh Valley centered in this region the trough will allow storms to come up the East Coast to the benchmark and give us precipitation perhaps in the form of snow or rain. GEFS. GFS, EURO, CMC all favor a long range pattern that is conducive for snow and cold, just how cold will be determined by a negative anomaly in the Arctic Oscillation cycle. This negative anomaly should allow a polar vortex or a vortex from the arctic circle to focus a cold air phase into the Northeastern US by November 1st. This should be a fun period folks, especially if blocking develops over the Atlantic Ocean.