Friday 12/18/20

Good morning! After receiving 13.5″ of snow with yesterday’s storm – essentially a perfect verification of the 10-17″ forecast – cold conditions continue. With decreasing clouds, expect a high around 31 today, with a north wind around 5 mph. Tonight will be clear, with a low around 9, and a light northwest wind. Saturday will be mostly sunny and 31, with a calm wind. The next chance for snow is Sunday afternoon and evening with some snow showers in the area; however, accumulations are not currently anticipated. Highs will be in the upper 30s to around 40 through mid-week, cold enough to most likely preserve enough snow for a White Christmas.

The main surprise with this system is how far north the heaviest snow band ended up, and the fact that said band produced extreme snowfall rates of up to 5″ per hour (which is extraordinarily rare) in very cold air meant that some locations in south-central New Hampshire and Vermont got over 40″, with numerous locales getting 30″. Northern areas also had a secondary issue with the forecast where the Nashua to Manchester corridor eastward to Portsmouth got a little less than 10″ in most towns. I’m still planning on doing a “double analysis” of this storm and the December 5th forecast bust now that I’m through finals week.

Have a great day!
-Nathan

Published by Nathan Coram

Hello! I'm Nathan Coram, a 20 year old meteorology student and weather geek, and am in my junior year at UMass Lowell as a meteorology major. I am the current Vice President of the UML American Meteorological Society Local Student Chapter. Prior to at UML, I attended the Dracut school system for my K-12 years, having graduated from Dracut High in 2018. I first got into weather with the December 2008 ice storm, which knocked out my electricity for 4 days. I had no idea how it could be raining and becoming ice immediately, and how rain can knock out power. (Now I do - warm layer aloft, cold air at surface). But I didn't really get into it until the heat of July 2010 and specifically a few severe weather events during that month, followed by the year 2011, which featured several high profile weather events. Since then I have had a growing interest, and am hoping to make it into the meteorology field, preferably with NOAA/NWS. But for now, I'm blogging here on Dracut Weather (also on Twitter and Facebook), helping with the UML Weather Center social media, and tweeting about the weather on my own account as well. Thanks for visiting!

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