Weather : why it changes

Shows the role of the large drifting air masses of the earth's atmosphere in causing over-all weather changes. Concentrates on the U. S. weather changes resulting from air masses drifting from the polar and tropical regions. Emphasizes the six important areas where these develop. Uses animation and cloud photography to explain warm, cold, and occluded fronts.
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, Shows the role of the large drifting air masses of the earth's atmosphere in causing over-all weather changes. Concentrates on the U. S. weather changes resulting from air masses drifting from the polar and tropical regions. Emphasizes the six important areas where these develop. Uses animation and cloud photography to explain warm, cold, and occluded fronts.NOTE: Two (or more) records have been merged together to create this data.

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  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record