Over 1,000 flights canceled as I-95 corridor braces for new flood threat

PHILADELPHIA -- The Northeast and Mid-Atlantic are bracing for a new round of severe storms and possible flash flooding on Tuesday after getting hammered by heavy rain on Saturday.
The greatest threat -- a level 3 out of 5 risk -- will span from northeastern Kentucky to New Jersey, including Pittsburgh, Washington, D.C., Baltimore and Philadelphia.
Numerous severe thunderstorms with potentially destructive winds and tornadoes are possible in this region.

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Rounds of heavy rain and strong storms will move across the Ohio Valley through lunchtime and into the Northeast and mid-Atlantic through the afternoon and evening.

Flash flooding will be a concern for a large swath of the Interstate 95 corridor, from D.C. to Philadelphia to New York City.
Areas along the I-95 corridor may possibly get two rounds of storms -- one midday, followed by the main one, moving through between about 5 p.m. to 8 p.m.

Flood watches have been issued for Tuesday, from Delaware to southern New York, where rainfall rates could exceed 1 inch per hour, potentially triggering flash flooding, especially in urban areas.
Philadelphia and New York City are expected to be included.

More than 1,000 flights have been canceled Tuesday ahead of the storms, with airports in New York City and Baltimore, Maryland, seeing the biggest impacts.
The storms are expected to last throughout the day.