A synoptic climatology of eastern North America with mesoscale resolution
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A subjective synoptic classification scheme has been used to categorize the dominant daily synoptic weather pattern for each grid square in a 5-square X 7-square grid placed over eastern North America for the five-year period from 1975 to 1979. Seven synoptic categories were used in the classification scheme: (1) warm sector of an extratropical cyclone; (2) region of overrunning north of a warm front; (3) region of cyclonic isobaric curvature behind a cold front; (4) polar anticyclone; (5) subtropical anticyclone or ridge; (6) tropical cyclone; and (7) unclassifiable pattern. The grid extends ...