Overview

• Severe thunderstorm watches stretched from eastern Pennsylvania to southern Maine through Saturday evening, with warnings issued across parts of New York, New Jersey, Connecticut and Massachusetts.
• The National Weather Service highlighted damaging straight-line winds, large hail, frequent lightning and localized flash flooding as primary hazards, with only a slim risk of isolated tornadoes.
• Brief tornado warnings were issued Saturday afternoon in western Massachusetts and northern Connecticut and later expired as the line progressed east.
• Storm timing varied by corridor, with peak windows roughly 2–8 p.m. for Philadelphia and New York City, about 2–6/8 p.m. for Hartford and Springfield, and 4–10 p.m. for Boston and Portland, before showers tapered into Sunday morning.
• After the frontal passage, northwest winds are ushering in noticeably cooler, drier weather for Sunday and into next week, even as separate NWS alerts were posted Saturday in Alabama and Oregon and the UK issued a Sunday yellow thunderstorm warning.