Accession Number : AD0864390

Title :   Mesoscale Studies of Instability Patterns and Winds in the Tropics.

Descriptive Note : Final rept. 1 Jun 67-31 May 69,

Corporate Author : ROSENSTIEL SCHOOL OF MARINE AND ATMOSPHERIC SCIENCE CORAL GABLES FL RADAR MET EOROLOGICAL LAB

Personal Author(s) : Gerrish, Harold P.

Report Date : DEC 1969

Pagination or Media Count : 86

Abstract : The trade-wind inversion and other rapidly drying layers in the lower troposphere over Miami are studied using a diagnostic technique based upon the vertical gradient of atmospheric refractivity. The resulting climatology is presented and discussed. Fluctuations in 10-cm radar video from a diffuse evening angel pattern are analyzed using spectral techniques. The resulting motions suggest that this type of angel provides a convenient tracer for short-period atmospheric waves. A model of summer convection in South Florida as revealed by gridded radar data is described and illustrated. Various correlations are also made between two-dimensional indicies of cloud and echo coverages versus daily rainfall. Our satellite ground station with its unique electronic-expansion display capability is described. Finally, the observation of intersecting radar fine lines and a South Florida tornado provides the small-scale documentation of earlier pressure-jump theories. (Author)

Descriptors :   (*CLIMATE, TROPICAL REGIONS), (*WIND, STABILITY), METEOROLOGICAL RADAR, CONVECTION(ATMOSPHERIC), REFRACTIVE INDEX, ATMOSPHERIC PRECIPITATION, RADAR CROSS SECTIONS, SEA BREEZE, RADIOSONDES, CLOUDS, TORNADOES, SYNCHRONOUS SATELLITES, DISPLAY SYSTEMS.

Subject Categories : Meteorology

Distribution Statement : APPROVED FOR PUBLIC RELEASE