A large coastal storm will impact the island Thursday. (Photo by Ken Grudier in Sound Beach) Long Island got a healthy dose of rain Wednesday, but Thursday’s wet weather will also bring flooding and likely power outages to the island. A coastal flood warning will be in effect from 5 p.m. until midnight Thursday for southern Nassau County and southwestern Suffolk County. There is an elevated threat of property damage, with widespread flooding of vulnerable areas near the waterfront and shoreline, and 2-3 feet of inundation above ground level in low-lying, vulnerable areas. Numerous road closures are likely along the South Shore, the National Weather Service says. Wind will also be an issued. A wind advisory will be in effect from 6 a.m. until 6 p.m. Thursday in Suffolk County. Gusts up to 50 mph are possible. "Gusty, strong winds may cause power outages so please be prepared, stay safe and report any outage immediately," PSEG Long Island wrote on its Facebook page. Large breaking waves will cause beach flooding and erosion on the […]