weather quiz December 2, 2022 5:06 pm Weather Quiz: Polar Vortex NBC 5 Chief Meteorologist Rick Mitchell asks what condition needs to be present to allow the polar vortex to spill cold air into the United States? Wake Up to Something Good 0:38 Weather Quiz: Christmas Eve temps 0:34 Weather Quiz: Abbreviation for weather 0:52 Weather Quiz: Winter 0:39 Weather Quiz: Frost 0:46 Weather Quiz: Coldest temperature time