ARCTIC SYNOPTIC ACTIVITY IN WINTER

摘要: Abstract The wintertime distribution, structure and motion of cyclones anticyclones in the Arctic are analyzed through use 15 winter months data. Histories most important types pressure systems described, note is made interaction between middle latitudes. effect receipt weather reports from central on previous concepts circulation discussed. This study shows that a region great synoptic activity with outnumbering about 2 to 1. Basin cyclonic frequency equivalent any place Northern Hemisphere outside semipermanent centers action. In mean, warm troposphere because them enter over waters Atlantic Ocean. Cyclones which originate cold-core. Anticyclones, colder than cyclones. However, their usually capped by slightly warme...