The watch is in effect until 9 p.m. Tuesday, Aug. 4.
An earlier Tornado Watch that included Putnam, Orange, Rockland and Westchester counties, expires at 4 p.m.
In addition to Dutchess and Ulster, the new Tornado Watch includes Albany, Columbia, Greene, Rensselaer, Saratoga, Warren and Washington. The watch does not include Sullivan County.
Isaias is tracking north-northwest, bringing heavy rain and strong winds.
This continues to be a developing story. Check back to Daily Voice for updates.
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