Air-Stagnation Cases in the Eastern United States during 1983

J. Korshover Air Resources Laboratory, ERL, NOAA, Rockville, MD 20852

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J. K. Angell Air Resources Laboratory, ERL, NOAA, Rockville, MD 20852

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Abstract

The number and location of stagnation days within the eastern United States, as estimated mainly from a surface geostrophic-wind criterion, me presented by month and for the year 1983 as a whole. The distribution of stagnation days in 1983 was quite typical of the 40-year mean, with the number of such days failing halfway between the relatively high number observed in 1981 and the relatively low number observed in 1982. A diagram shows the variation of “grid-point days” of stagnation with latitude and longitude for 1981–1983.

Abstract

The number and location of stagnation days within the eastern United States, as estimated mainly from a surface geostrophic-wind criterion, me presented by month and for the year 1983 as a whole. The distribution of stagnation days in 1983 was quite typical of the 40-year mean, with the number of such days failing halfway between the relatively high number observed in 1981 and the relatively low number observed in 1982. A diagram shows the variation of “grid-point days” of stagnation with latitude and longitude for 1981–1983.

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