What to KnowMore rough weather is expected to slam the tri-state area through Monday night, bringing rainfall rates up to 3 inches an hour at times, which could pose major problems for transit and power.Flash flood warnings started to pop up in NYC and parts of NJ, as well as areas on Long Island, b efore noon. Check the latest weather alerts for your neighborhood here. New Jersey appeared especially hard hit early in the day; major flash flooding was reported on the Jersey ShoreFlash flood warnings started to pop up in NYC and parts of NJ, as well as areas on Long Island, before noon. Check the latest weather alerts for your neighborhood here. In NYC, Mayor Zohran Mamdani urged people to prepare for flash flooding potential; he suggested NYers limit travel if they can Monday, plan for delays, and take alerts seriously. NJ Transit has already seen storm impacts; the NYC subway system is prepared to handle up to 1.75 inches of water an hour; a 2-inch-an-hour clip could flood itIt comes on the heels of a third straight day of storms, some of which brought hurricane-force gusts to parts of Long Island; trees came down. Debris could clog drains and sewers, making matters worse. The slow-moving but powerful storm system that hit the tri-state area Sunday night after nearly a week of stifling heat continues to thrash the region Monday, with New Jersey getting hammered as rainfall rates up to 2 inches an hour threaten to overwhelm NYC subways. Isolated rainfall totals topping 4 inches are possible by day’s end. Meanwhile, cleanup from the weekend storms is ongoing. Track the latest weather developments in our live blog below. ...read more read less