Major Pre-Holiday Storm Approaching New England - NECN
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Meteorologists' Observations on the Weather

Major Pre-Holiday Storm Approaching New England

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    NEWSLETTERS

    Thursday Forecast: Sun to Late Clouds

    Thursday: Sun to late day clouds. Highs in the 40s.

    Overnight Thursday: Showers develop. Lows 35 to 40.

    Friday: Windswept periods of torrential rain with embedded thunder. Highs in the 50s

    (Published Thursday, Dec. 20, 2018)

    What to Know

    • Heavy rain and strong wind are expected in New England Friday as a big storm moves though the region.

    • Embedded thunderstorms will need to be watched for strong wind gusts capable of causing damage and scattered power outages.

    • There's even the possibility for some rotating storms that conceivably could spawn a very isolated tornado.

    Heavy rain and strong wind are expected in New England Friday, with a dry and relatively mild Thursday preceding the tempest.

    Clouds will increase Thursday afternoon as high temperatures reach toward 50 degrees, and while most of New England stays dry until Thursday evening and overnight, showers will arrive to Southwest Connecticut during the late afternoon and spread into Central Massachusetts after dinner and the immediate Boston area by midnight.

    The first round of showers moves north overnight and won’t be heavy but will deliver a brief period of freezing rain to some of extreme Western, Central and Northern New England from the Northern Berkshires to the New Hampshire Lakes and Maine Turnpike points north before a change to plain rain showers by Friday morning.

    Morning rain will quickly intensify Friday, with torrential downpours periodically through the day and an increasing south and southeast wind eventually gusting over 45 mph in Eastern New England by late day, with Cape Cod and South Coast gusts over 50 mph likely, resulting in widely scattered power outages and limb damage.

    Embedded thunderstorms will need to be watched both for locally stronger wind gusts capable of damage and even the possibility for some rotating storms that conceivably could spawn a very isolated tornado.

    Flooding rainfall amounts of up to 3 inches will cause urban flooding, street flooding and some small rivers will also rise out of their banks, most severe where snowmelt exacerbates the water increase over Northern New England, but some river flooding is expected in Southern New England, as well.

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    Showers Saturday morning will break apart with some lingering mountain snow showers but mostly a drying trend until an upper level disturbance may launch a few snow showers into New England Christmas Eve Day from morning to midday, then drying for Christmas Eve night and the holiday itself.

    Another storm of mostly rain seems quite possible at the end of next week in our exclusive Early Warning Weather 10-day.

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