Accession Number : AD0767550

Title :   Microstructure of Cold Fronts and Implications as to Their Detection by Radar.

Descriptive Note : Technical rept.,

Corporate Author : TEXAS A AND M UNIV COLLEGE STATION DEPT OF OCEANOGRAPHY AND METEOROLOGY

Personal Author(s) : Aufderhaar,Grant C.

Report Date : JUL 1973

Pagination or Media Count : 80

Abstract : RE AND COMPARISON OF PICTURES OF RADAR RETURN REVEAL THAT LARGE VALUES OF REFRACTIVITY DUE TO THESE GRADIENTS CAN BE CORRELATED WITH AN ORGANIZED PATTERN OF RADAR RETURN. (2). Wind fields were examined through the front and the presence of 'gust lines', evident in the microscale tower data, was not detected on the radar. (3). Vertical profiles of wind and dry-bulb and wet-bulb temperature were determined by use of the log-power relationship. Some regular changes were noted in the log-power, wind profile variables, but those in the log-power dry-bulb and wet-bulb temperature profiles varied irregularly. Also, roughness length appeared to be a function of stability. (4). Soil and air temperatures through the frontal zone were compared by looking at the variations in flux of soil heat versus the temporal gradients of temperature in the atmosphere, with some regular results. (Author)

Descriptors :   (*AIR MASS ANALYSIS, MICROMETEOROLOGY), METEOROLOGICAL RADAR, ATMOSPHERIC TEMPERATURE, WIND, RADAR REFLECTIONS, THESES

Subject Categories : Meteorology

Distribution Statement : APPROVED FOR PUBLIC RELEASE