Fn vector convergence and omega evolution - Sullivan county![]() Notes:Fn vector convergence represents the forcing due to real-wind frontogenesis. The data on this slide shows that strong frontogenetical forcing was closely associated with the maximum upward vertical motion over the southwest Catskill mountains (Sullivan county) during the evening on the 16th. Heaviest snow in the southwest Catskill mountain area fell during that time.Slide 13 |