Warm atmosphere holds more water, hence bigger ice storms
Thousands left without power across US and Canada - seattlepi.com: "Trees frozen in ice cripple a section of power lines on Maplehurst Drive in Belgrade, Maine, Tuesday, Dec. 24, 2013. From Michigan to Maine, hundreds of thousands remain without power days after a massive ice storm _ which one utility called the largest Christmas-week storm in its history _ blacked out homes and businesses in the Great Lakes and Northeast. Photo: Michael G. Seamans, AP"