Big East Rain, Flooding Unfold through Saturday

By By Alex Sosnowski, expert senior meteorologist
September 26, 2011, 5:52:00 AM EDT

Heavy rain, flooding and travel problems that began to hit part of the Southeast U.S. at midweek were clobbering Virginia Friday morning, and will overtake much of the Northeast into Saturday.

While the risk of flooding downpours will continue through the first half of next week, a big batch of rain will swing through a corridor from Winston-Salem, N.C. to Danville, Va., Washington, D.C., Baltimore, Wilmington, Del., York, Pa., Trenton, N.J., New York City, Hartford, Conn. and Boston Friday through Saturday.

This particular episode and its repeating downpours have potential to unload several inches of rain over a broad area during a 12- to 24-hour period. This type of rainfall can lead to poor-drainage area and street flooding, while causing small streams to rapidly rise.

In localized areas, there is potential for heavier amounts of rain to fall during a 24-hour period, and even 3 inches or more of rain in six hours or so. Rainfall of this magnitude can turn streams into raging rivers and streets into rapidly flowing streams.

**Torrential rainfall and flash flooding has closed multiple roads in Frederick County, Md. at midday. Streams were out of their banks around Gettysburg, Pa. around lunchtime. Earlier in the day, the southern cities of Charlotte, N.C. and Columbia, S.C. were impacted by flash flooding. During the afternoon, Schuylkill County, Pa. was hit with torrential rain that closed and washed-out roadways.

Don't drive through flooded roadways.

The blast of rain will spread slowly from south to north over the region into the weekend, and is already causing trouble in the Southeast, according to Senior Meteorologist Kristina Pydynowski.


The worst of the rain will hit areas from North Carolina to Maryland and Delaware through tonight.

Farther north, from Pennsylvania and New Jersey to the southern tier of New York and southern New England, the period extending from Friday afternoon into the first half of Saturday will bring the worst of the rain.


The balance of New England and upstate New York will have the worst of the rain from Friday night through much of the day Saturday.

Small streams are a concern throughout the region due to the excessive rainfall since early August.

Some of the major rivers will experience significant rises and could threaten low-lying areas that are not protected by levees.

In addition, there will continue to be localized downpours that can show up rather unannounced right through the middle of next week, as the atmospheric road block continues over the eastern U.S. and western Atlantic.


With baseball season winding down, there will be more pressure on MLB to get the games in and play through the rain, just like what is done during football season.

Whether you are going to a baseball or football game, be sure to bring along wet weather gear and be prepared for a long stay at the ballpark.

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