STUDIES ON THE METEOROLOGY OF ALASKA. THE SEQUENCES OF BARIC WEATHER PATTERNS OVER ALASKA.
Interim rept. no. 1, 15 Jun 65-15 Jun 66,
ENVIRONMENTAL SCIENCE SERVICES ADMINISTRATION SILVER SPRING MD ENVIRONMENTAL DATA SERVICES
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The generalized weather situations over Alaska were determined from the weather maps for the period 1 January 1945 to 31 March 1963 in such a way that for every day of this period a specific baric weather pattern could be assigned. By selection of these specific weather situations also the flow at 500mb level cyclonic, anticyclonic or mixed over Alaska was taken into account. Twenty-two specific baric weather patterns were selected. The statistical evaluation of these specific generalized weather situations involves the frequencies of these weather situations by months and year, the mean and maximum duration of every weather situation, and the probabilities of the weather situations following a selected weather situation. The annual course of every weather situation is discussed. Author