For nearly 300 years, winter storm activity in Alaska and Northwestern Canada has been intensifying and is currently unmatched in magnitude and duration over the past 1,200 years, according to a new study published in the journal Geophysical Research Letters. The research, a collaborative effort between Dartmouth University, the University of Maine and the University read more Mountain ice records North Pacific storm intensification through windblown sea salt – K. Kreutz et. al.