“This is not the end yet,” said Erie County Executive Mark Poloncarz, calling the blizzard “the worst storm probably in our lifetime,” even for an area accustomed to punishing snow.Victor Gensini, a meteorology professor at Northern Illinois University, likened a single weather event to an “at-bat” — and the climate as your “batting average.” “It’s hard to say,” Serreze said.Relief is coming later this week, as forecasts call for temperatures to slowly rise, said Ashton Robinson Cook, a meteorologist with the National Weather Service.She said her son was doing well despite the ordeal and described him as “a fighter.” In a makeshift hut in her living room, Trisha LoGrasso was still huddled around a space heater Monday with three of her children and her eldest daughter’s boyfriend.___ Associated Press journalist Jake Bleiberg in Dallas; Stefanie Dazio in Los Angeles; Marc Levy in Harrisburg, Pennsylvania; Jeff Martin in Atlanta; Jonathan Mattise in Charleston, West Virginia; Sean Murphy in Oklahoma City; John Raby in Charleston, West"