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Rain in Boston, but still icing west and north

Posted by David Epstein  December 9, 2013 08:30 AM

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Currently, temperatures across the area indicate the mild ocean air has penetrated about 15 to 20 miles inland. On the map below rain is falling east of the red line, while west of the line sleet and freezing rain are making for slick conditions on untreated surfaces. Temperatures will continue to slowly rise through the morning. This means all areas will eventually warm above freezing. The exception may be far northern Worcester County.
temps now.jpg

wwa.png

I'll be updating the forecast as it changes on Twitter at @growingwisdom Please follow me there. Feel free to comment or ask questions too.

What can you expect?
In many areas, as you read this, you can expect little or nothing to happen. There have been a few flurries in all areas and the ground is coated, but this isn't a big event. The trend will be for mild air to change any snow to rain. Over interior areas, there may be a short period of freezing rain or sleet, but amounts will be light. Through the morning commute you might see some light snow showers and then it will just do nothing. A coating to an inch is the general rule for snowfall, with isolated pockets of higher amount, but those are by far the exception.
7 AM Monday.jpg
This whole thing should be ending by mid-morning over most areas. However, there will be some lingering freezing rain inland past route 495 which could last till 10AM or a bit later.
10 am Monday.jpg

snow totals.png

When storms are this small half an inch of snow can be all that separates the ground from being white or staying green and brown. Also, a brief period of freezing rain can cause some glaze to develop quickly. We won't have a big issue with ice, but a few freezing rain showers are possible in across the interior, especially west of Route 495.

The system is going to move quickly enough so the precipitation will be over by midday and temperatures will have warmed enough by then so I am not concerned about any ice/snow on the roads for the evening commute home.

A boundary between cold and mild air will remain in place Tuesday just off the coast. This boundary will be the focus for another wave of precipitation and it could clip the coast Tuesday with several hours of snow showers or a period of accumulating snow. It's going to be quite chilly with temperatures in the 30s all day. It could be a sneaky little 1 to 3 inch event from Boston to Worcester and points south. More later today. I get a new model run this afternoon and will update the forecast for the Tuesday event at that time.

Wednesday and Thursday will be cold and dry day with highs near or just above freezing Wednesday, but holding in the 20s Thursday. That day will be the coldest of the week. . On Friday, the dry weather continues and temperatures begin a slow recovery back towards freezing.

Next weekend shows a moderation in temperature, but still readings will be quite below normal. November averaged 2 degrees below normal and thus far the first week plus of December is also averaging quite a bit below average. I still feel that towards the end of the month the pattern will shift again and milder air will ensue. This doesn't mean winter will be over of course, but since we started with the cold so early, it's likely that a break will happen later this month and into January.

I still don't see any major snowstorms in sight, a continuation of the dry pattern we saw much of the second half of summer and throughout the fall.

Outdoor project this weekend
In this video I show you a project you can do this weekend and bring the kids along too.

This blog is not written or edited by Boston.com or the Boston Globe.
The author is solely responsible for the content.

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About the author

David Epstein has been a professional meteorologist and horticulturalist for three decades. David spent 16 years at WCVB in Boston and currently freelances for WGME in Portland, ME. In 2006, More »
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