Flooding caused delays on multiple New York City subway lines Monday as torrential rain pummeled the Tri-State Area, where many were under flash flood warnings. MTA Chair and CEO Janno Lieber says riders can expect normal service for the morning commute Tuesday.

New York City’s subway system was fully operational for the Tuesday morning commute, however some roads remained closed in sections of New York and New Jersey after heavy rain swept across the U.S. N...

Climate experts have long warned that rising temperatures mean flash floods are likely to be more frequent and more severe, and communities in flood-prone areas will have to adapt to that reality even...