Following the end of a severe thunderstorm watch for parts of Connecticut, Eversource was reporting over 1,800 customers affected by outages late Thursday. An update around 10:27 p.m. showed 1,836 Connecticut customers reporting power loss; the highest numbers were in Avon and Haddam with 995 and 329 customers affected, according to Eversource. United Illuminating reported 160 outages total, with 107 of them in New Haven, as of an update around 10:28 p.m. Some areas in southern Connecticut are under a flash flood watch, which is expected to last through Friday morning, according to NWS. For some areas in northwestern and northern Connecticut, a flash flood watch is expected run through Friday afternoon, NWS said . \u201cA Flash Flood Watch means that conditions may develop that lead to flash flooding,\u201d the NWS said. \u201cFlash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.\u201d A flood warning is in place for \u201cthe Housatonic River [a]t Stevenson Dam,\u201d expiring Sunday afternoon, according to NWS. A flood advisory is in place for parts of Litchfield County until 11:15 p.m., NWS said. A tropical storm warning continues for parts of Connecticut, including Montville, Norwich and Jewett City, the NWS said. This week \u2014 ahead of Tropical Storm Elsa\u2019s anticipated arrival in the state \u2014 the state has been buffeted by thunderstorms and weather-related effects, including power outages and downed trees or wires. On Wednesday, a car hit a tree laying on a road in South Windsor, NBC Connecticut reported.