Flash Flood Watches For Parts Of Hudson Valley

The forecast is calling for heavy rain and isolated thunderstorms Friday, so the National Weather Service has issued flash flood watches for most of the Hudson Valley. For Columbia, Dutchess and Ulster counties, the watch is in effect from 8 p.m. Friday, April 19 through 2 p.m. Saturday, April 20.

Shower with localized areas of heavy rain and isolated thunderstorms will develop across the watch area Friday evening, continuing into Saturday morning.

Some of the rainfall may be heavy enough to cause flooding along rivers, streams and low-lying poor drainage areas.

SEE ALSO: Coastal Flooding Possible Thursday Into Friday

For Orange, Putnam, Rockland and Westchester counties, the flash flood watch is in effect from 2 a.m. to 2 p.m. Saturday, April 20.

A slow-moving frontal system will approach the region Friday night into Saturday. Heavy rain will become likely late Friday night through Saturday morning. Total rainfall amounts will be in the 1.5- to 2-inch range with locally higher amounts possible.

Excessive runoff will be possible which could lead to flooding of urban and poor drainage areas.

In addition, smaller rivers and streams could overflow their banks.

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