Evaluation of Clear Air Turbulence Detection by Ground-Based Radars, Special Rawinsondes, and Aircraft, 1967-1971.

During the winter operations, from 1967 to 1971, of Clear Air Turbulence CAT research at Wallops Island, Virginia, the Weater Radar Branch of Air Force Cambridge Research Laboratories observed eighteen cases of significant turbulence, defined as cases of light-to-moderate or moderate intensity. The report presents the meteorological data for each of these cases, consisting of synoptic sea level and upper air charts and rawinsonde data, observations of clear air echoes with powerful radars, and aircraft data which are used to indicate the present location and intensity of the turbulence.