Abstract: The physical basis for a relationship between orographic precipitation and air-mass characteristics, wind flow pattern and gross terrain features is outlined. Consideration is also given to the manner in which the precipitation ...

Abstract: A five-year randomized cloud seeding program conducted in the San Juan Mountains of southwestern Colorado by the Bureau of Reclamation was completed in April 1975. The test design included randomization of the seeding by ...

Abstract: An introduction section discusses aspects of the basic design of the CRBPP that are criticized by Rangno and Hobbs (RH). Individual sections reply to the following five aspects of our analysis discussed by RH: diffusion ...