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    Drenching Downpours, Flood Threat to Shift Over Mid-Atlantic

    By By Brian Lada, Meteorologist
    August 23, 2014, 11:31:37 PM EDT

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    A batch of showers and thunderstorms will slowly swing from the Midwest to the mid-Atlantic this week, raising flooding concerns in portions of the area.

    People from Detroit to Washington, D.C., should prepare for travel delays and impacts on outdoor activities as the showers and storms move through.

    A few of the stronger storms may also produce locally damaging winds and small hail. However, flooding appears like it will be the more widespread danger as the storms track eastward through midweek.


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    Torrential downpours associated with this cluster of precipitation may drop enough rain to cause urban flooding, especially in low-lying and poor drainage areas.

    "As we go into the middle of the week, the shower and thunderstorm zone will expand not only across the Great Lakes and Ohio Valley but toward the mid-Atlantic region too and into the Carolinas," said AccuWeather Chief Meteorologist Elliot Abrams.

    Abrams continued by saying that even though rain will move over these areas, all of eastern New England may remain totally dry.

    Those headed out to MLB games in Pittsburgh, Philadelphia and Washington, D.C., this week may want to pack a raincoat or umbrella as the rain can make for a wet time at the ballpark.

    A shower or thunderstorm may also dampen the Philadelphia Eagle's home preseason game, set to be held on Thursday night versus the Pittsburgh Steelers.

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    Umbrellas will continue to be put to good use across the mid-Atlantic during the second half of the week as showers and thunderstorms linger around the region in-between a zone of hot, humid air to the south and cooler air to the north. Meanwhile, another batch of showers and thunderstorms is expected to move into the Midwest.


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    Looking ahead towards the end of August, Accuweather meteorologists believe that warmer air will filter in across the East.

    However, AccuWeather Senior Meteorologist Alex Sosnowski warns that all this wet weather may hinder the projected warmup.

    "The moist soil conditions will continue to keep temperatures at bay over much of the region while heat builds on a consistent basis with increasing amounts of sunshine farther south over the Central states this week," said Sosnowski.

    Near-normal temperatures may feel like a warmup for some portions of the Northeast due to the persistent trend of cooler weather through the first half of August.

    New York City, Philadelphia, Baltimore, Pittsburgh and Boston are all averaging below-normal temperatures so far this month with the amount of rainfall being a contributing factor.

    As of Aug. 19, State College, Pennsylvania, had recorded 23 consecutive days with below-normal temperatures. This is the longest stretch of below-normal temperatures for the town in over 10 years.

    "The latest indications are that there will be a few days of well-above average warmth surrounded by seasonable temperatures during the last part of August," Sosnowski said.

    Meanwhile, a prolonged spell of heat is forecast for the South.

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