Incoming System Delivering Snow, Arctic Air for Holiday Week - NECN
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Meteorologists' Observations on the Weather

Incoming System Delivering Snow, Arctic Air for Holiday Week

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    NEWSLETTERS

    Boston Flipping From Rain to Snow and Back

    Today (Monday): Light wintry mix to tapering rain showers. Highs around 40, 50 South Coast. Overnight Monday Night: Periodic snow develops from Central MA points north, raindrops farther south. Lows in the 30s. Tuesday: Steady wintry mix ends by afternoon, 2-inches-to-4-inchess in Central Massachusetts points north. Highs in the 30s. (Published Monday, Nov. 19, 2018)

    What to Know

    • Today (Monday): Light wintry mix to tapering rain showers. Highs around 40, 50 South Coast.

    • Overnight Monday Night: Periodic snow develops from Central MA points north, raindrops farther south. Lows in the 30s.

    • Tuesday: Steady wintry mix ends by afternoon, 2”-4” Central MA points north. Highs in the 30s.

    It’s the lead up to Thanksgiving, and the weather is still in overdrive across New England. A couple of storms (nothing blockbuster) are lined up in the next couple of days, all ahead of a blast of arctic air.

    First thing’s first: A weak weather system will bring us a few lightweight showers early Monday before scooting out to sea this afternoon. There’s a short break before the next larger storm system rolls in Tuesday morning.

    This storm system taps a bit of cold air and injects it into Southern New Hampshire and Northern Massachusetts. It’ll be enough to break out the plows in those areas. But in Greater Boston, it should just switch to snow at the tail end of the storm in the afternoon.

    Accumulations will be on the order of a few inches where it stays all snow like in Nashua, Pelham, Amesbury, Pepperell & Fitchburg for instance, but only a coating closer to Route 128.

    The third act to play out is the surge of arctic air for the holiday. It actually arrives on Wednesday evening as the cold front passes (with a couple of snow squalls – brief, intense snow showers).

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    In its wake, the temperatures will not only be below freezing for Turkey Day, but they’ll also challenge some records. Black Friday isn’t pretty, either. We’ll start in the single digits & teens –- mid-winter fare -– before we see it top out near 30 in the afternoon.

    The pattern stays active, but the temperatures will mellow during the holiday weekend. Next storms up will likely be wet, not white.

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