SIO 15 Lecture Notes - Lecture 18: Wind Chill, East Coast Of The United States, Urban Heat Island
19 Dec 2018
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Document Summary
Heat index cold storms storms fronts: occluded (when cold front overtakes a warm) Which weather phenomenon kills the most people in the u. s. Humid air feels hotter than dry air. Heat index explains the impact of relative humidity on apparent temperature. Urban heat island effect enhances a heat wave bc lack of cooling vegetation, paved ground retains heat at night, air conditioning adds to outside heat. Wind chill factor explains cold air feels colder when strong winds blow. U. s. criterion for blizzard: blowing snow, lasting for at least 3h, visibility less than. Advancing warm from: warm air climbs onto cold air, extended rain leading the front, slow decline in surface air pressure. Thunderstorms occur in extended are behind the cold front. Occluded front forms when a cold front overtakes a warm front. Nor easters typically occur in u. s. eastern seaboard.
