A Study of Air Pollution Potential for the Western United States

George C. Holzworth U.S. Weather Bureau, Los Angeles, Calif.

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Abstract

The climatological occurrence of meteorological conditions associated with extensive and persistent arms of high air pollution potential over the western United States is presented. The most likely large-scale synoptic feature conducive to poor air quality is found to be the quasi-stationary anticyclone. A typical episode of high pollution potential is described. The forecasting of such episodes, including some inherent difficulites, is discussed.

Abstract

The climatological occurrence of meteorological conditions associated with extensive and persistent arms of high air pollution potential over the western United States is presented. The most likely large-scale synoptic feature conducive to poor air quality is found to be the quasi-stationary anticyclone. A typical episode of high pollution potential is described. The forecasting of such episodes, including some inherent difficulites, is discussed.

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