Powerful winter storm set to sweep up East Coast Thursday The worst of it, for now, will be in Eastern Massachusetts Boston is about to get hit with a snow bomb. A storm that’s set to race up the East Coast on Thursday could drop as much as 11 inches (28 centimeters) in Boston and eastern Massachusetts, said Greg Gallina, a forecaster at the U.S. Weather Prediction Center in College Park, Maryland. For a winter storm to become a bomb, short for bombogenesis, the central pressure needs to drop 24 millibars or more in 24 hours. If current computer models hold, that process will start somewhere off Cape Hatteras and continue as the storm comes north. “The real apex, the peak of the storm, will be Cape Cod to Nova Scotia,” Gallina said. On its current track, snow will scrape the East Coast and dump snow from South Carolina […]