On October 29th, this nor'easter dropped up to 31.4" (Jaffrey, NH) of snow, and knocked out power to over 3 million customers throughout the Northeast. Snow fell on Occupy Wall Street. The 2.9" that fell in Central Park was the most for the month of October since records began in 1869. An inch of snow had never before been recorded in October. The last two times measurable snow fell in October were Oct 21 1952 with 0.5", and Oct 30 1925 with 0.8". Up to 19" fell in New Jersey (West Milford), and 9" in Virginia (Skyland). 5.2" fell at Newark Airport, 1.7 " at La Guardia, 1.5" at JFK, and 0.3" at Islip. Nantucket recorded wind gusts to 60 knots.Snow cover at 6Z (2AM EDT) on the 30th:
The warnings issued for this storm include: a winter storm warning (pink) from Virginia to Maine, storm warning (purple) from the coast of Long Island to Maine, hurricane force wind warning (brown) farther offshore, freeze warning (light blue), and frost advisory (blue).
72 hour water vapor loop of the entire event:48 hour infrared loop:
Two day visible loop:
RUC 500 mb analysis for the evening of the 29th:
The 850 mb temperature gradient was over 20C over only about 200 miles:
The result was a 20 mb pressure drop in just 18 hours - from 996 at 21Z to 976 by 15Z on the 30th:
Soundings from Washington DC, New York, and Albany, NY respectively:
Frost advisories were later extended to southern Alabama and the rest of South Carolina except the coast:
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