*Premium Weather Quiz* Very Cold Air & the Impact on the Stratosphere February 7, 2019 / BoulderCAST Team This content requires a subscription to BoulderCAST Premium. Log In Join Premium Now BoulderCAST TeamThis post had major contributions from at least two members of our team. The more meteorologists the better, right?More Posts Premium Content, Weather Quiz Previous post DayCAST: Thu 02/07/19 (Updated) Next post The Arctic airmass has settled into Colorado, cold weather set to linger