Houston (AFP) – An “unprecedented” winter storm system gripped much of the United States on Monday bringing snow and ice to the southern state of Texas and bitter-low temperatures from coast to coast. Texas Governor Greg Abbott issued a disaster declaration for the state and the National Weather Service (NWS) said more than 150 million Americans were under winter storm warnings. The NWS described conditions as an “unprecedented and expansive area of hazardous winter weather” that will set record lows. “I urge all Texans to remain vigilant against the extremely harsh weather,” Abbott said in a …