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 ...

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 ...

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 ...