WEATHER WING (4TH) ENT AFB CO
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The paper consolidates many ideas--both published and suggested-- concerning the use of persistence as a practical forecast tool. Specific emphasis is placed on the construction of ceiling and visibility persistence probability or conditional probability tables and suggested uses as a short- period forecast aid. The paper contains a survey of published literature available in the technical files of Headquarters, 4th Weather Wing and presents many ideas and suggestions for designing improved probability tables.