Updated at 2:49 p.m. The massive storm that started out as Hurricane Sandy slammed into the East Coast and morphed into a huge and problematic system, putting more than 7.6 million homes and businesses in the dark and causing at least 39 deaths in the U.S. Here's a snapshot of what is happening, state by state. The Long Island Sound flooded roads as the storm toppled trees and power lines Three people died, including an Easton firefighter who was killed when a tree fell on his truck and a man who was last seen swimming in heavy turf. Power outages: More than 615,000. Superstorm Sandy: State-by-state snapshots Power outages: More than 45,000. Up to a foot of snow fell at high elevations along the West Virginia border. Power outages: More than 86,000. Two people were killed, including a man who died when a tree fell on a house in Pasadena. Power outages: About 290,000. High winds knocked out power to about 143,000 homes and businesses. The weather has prompted warnings for the Great Lakes, withwaves up to 23 feet reported on Lake Huron. MLive.com reports wind gusts reached 74 mph near Fort Gratiot on Lake Huron. Power outages: 210,000. A tidal surge sent water into the streets of two northern New Jersey towns, setting off a frantic rescue effort. Power outages: More than 2.5 million. A fire burned 50 houses in one flooded section of Queens. There were 17 storm-related deaths, 10 of them in New York City. Power outages: 2.3 million. The Cleveland area and northeast Ohio were being slammed with rain and high winds. Snow was reported in some parts south of Cleveland and south of Columbus. Power outages: More than 250,000. Four people died, including an 8-year-old boy who was killed when a tree limb fell on him. Providence's hurricane barrier performed well in one of its biggest tests. "The barrier worked superbly," Prov. Public Safety Commissioner Steven Pare told CBS Affiliate WPRI. We were prepared for up to 12 feet of water . . . Luckily we didn't get that high. Power outages: 114,000. Winds knocked down trees and power lines, and schools were closed. Power outages: More than 10,000. Two people died in storm-related traffic accidents. Power outages: More than 180,000. Power outages: 25,000. Some areas are buried under more than a foot of snow. Power outages: More than 271,000.