Item: Diagnosis of precipitation in mountainous terrain
Title: Diagnosis of precipitation in mountainous terrain
Proceedings: 1984 International Snow Science Workshop, Aspen, Colorado, USA
Authors: PAMELA SPEERS HAYES
Abstract: Winter quantitative precipitation forecasts for the mountains of western Washington are important to several industries, including transportation and recreation, but the variation in orographic precipitation makes site-specific quantitative forecasting difficult. A study is presently being conducted to analyze precipitation patterns associated with large scale wind directions in western Washington. This paper outlines the methods used in the study and explores in detail the rain shadow effect from the Olympic Mountains and from Mount Rainier. An analysis of this effect must account for wind direction, local terrain influences and overall synoptic conditions.
Keywords: rain shadow effect, wind direction, terrain, forecast
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