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- Author or Editor: K. M. Nagler x
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Abstract
A special situation, 30 November 1946, with approximately westerly flow over North America, is carefully studied, and the meridional distribution of wind and temperature is discussed with the aid of an average cross section drawn with use of all radiosonde data for the day in question. The problem of the concentration of the upper westerly flow in a narrow zone of extremely strong wind (jet stream) and the dynamic stability of this type of zonal flow are discussed.
Abstract
A special situation, 30 November 1946, with approximately westerly flow over North America, is carefully studied, and the meridional distribution of wind and temperature is discussed with the aid of an average cross section drawn with use of all radiosonde data for the day in question. The problem of the concentration of the upper westerly flow in a narrow zone of extremely strong wind (jet stream) and the dynamic stability of this type of zonal flow are discussed.
Abstract
The period of 3–7 February 1947 was marked by a radical change in the circulation over North America from westerly flow with only small perturbations to a pattern dominated by large warm anticyclones over the northern part of the continent and an unusually large cold cyclone covering the eastern part of the United States and southeastern Canada. Analyses, particularly of the 5OO- and 200-mb surfaces, and vertical cross sections for this period are shown, with an especially complete three-dimensional analysis for 5 February. The wind and temperature distribution during the period are discussed, with emphasis on the principal polar front, the tropopause surfaces, the jet stream, vertical motions (especially in the lower stratosphere), and the large-scale meridional exchange of air masses connected with the breakdown of the zonal flow and the formation of warm highs in the north and a cold low in the south.
Abstract
The period of 3–7 February 1947 was marked by a radical change in the circulation over North America from westerly flow with only small perturbations to a pattern dominated by large warm anticyclones over the northern part of the continent and an unusually large cold cyclone covering the eastern part of the United States and southeastern Canada. Analyses, particularly of the 5OO- and 200-mb surfaces, and vertical cross sections for this period are shown, with an especially complete three-dimensional analysis for 5 February. The wind and temperature distribution during the period are discussed, with emphasis on the principal polar front, the tropopause surfaces, the jet stream, vertical motions (especially in the lower stratosphere), and the large-scale meridional exchange of air masses connected with the breakdown of the zonal flow and the formation of warm highs in the north and a cold low in the south.
Abstract
The primary purpose of this article is the documentation of radioactivity data collected by airborne equipment during the first of the Nevada atomic tests. While absolute magnitudes of activity are not available, the relative values are useful in checking meteorological trajectories and in making crude estimates of lateral diffusion.
Abstract
The primary purpose of this article is the documentation of radioactivity data collected by airborne equipment during the first of the Nevada atomic tests. While absolute magnitudes of activity are not available, the relative values are useful in checking meteorological trajectories and in making crude estimates of lateral diffusion.
