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    Drenching Storms to Cross Philadelphia on Labor Day

    By By Kristina Pydynowski, senior meteorologist
    September 04, 2013, 6:51:15 AM EDT

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    Before more seasonable air returns, drenching thunderstorms threaten to put a damper on Labor Day outdoor plans in Philadelphia.

    With steamy air in place, showers and thunderstorms will rumble across the Philadelphia area on Labor Day ahead of an approaching cold front.

    Downpours will accompany some of the thunderstorms, threatening to cause localized flash flooding.

    All of the downpours will pose hazards to motorists by reducing visibility and heightening the risk of vehicles hydroplaning at highway speeds. Airline passengers may encounter delays and headaches.


    Those with outdoor plans should prepare to move inside for a time or make indoor alternatives.

    The good news is that there will still be rain-free intervals on Labor Day.

    Pennsylvania, Delaware, New Jersey Interactive Radar
    Severe Weather Watches, Warnings
    Humidity, Storm Relief Coming to the Midwest, East

    Residents and visitors should just stay alert for changing weather and seek shelter when storm-related warnings are issued or thunder is heard. For the latter, you are then close enough to get struck by lightning.


    While lightning and downpours are the greatest concerns from the thunderstorms through Labor Day, an isolated number producing damaging winds and hail cannot be ruled out.

    A couple of showers and thunderstorms will linger into Monday night before the cold front passes through and gives way to lowering humidity Tuesday afternoon.

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