Abstract: No abstract available.

Abstract: Anomalies of the general circulation are shown capable of producing very dry and very wet rainy seasons over Venezuela. In 1969, a wet year, migratory synoptic systems kept passing through the area; in 1972, a dry year, a ...

Abstract: A formula for the rate of propagation of isotachs on a constant-pressure surface is derived and a computational routine, developed during a period of experimental forecasts, is described. The verification of the 24-hour ...

Abstract: No Abstract Available

Abstract: Changes of the general circulation, especially the strength of the upper westerlies, over 28 months are investigated quantitatively.The role of the high troposphere, represented by the 300-mb level, is stressed and it is ...