Residents pounded by unusually vicious weather across parts of the US surveyed damage Sunday from violent tornadoes, high winds and blinding dust storms that decimated homes and other structures and left at least 37 people dead. National Weather Service meteorologist Cody Snell said tornado watches remained in effect for portions of the Carolinas, east Georgia and northern Florida. He said the main threat would be damaging winds, but there is the possibility of more tornadoes. As we go through the day today, there still is the potential for severe weather from, say, the upper Ohio Valley and western Pennsylvania down through the rest of the mid-Atlantic and Southeast as we have this cold front that's still moving across the country, and it won't clear the East Coast until later on tonight, Snell said. The dynamic storm from Friday through Sunday earned an unusual high risk designation from weather forecasters. Still, experts said it's not unusual to see such weather extremes in ...