Some results of a study of atmospheric turbulence in clear air above thunderstorms and of its relationship to weather radar pictures

A preliminary note written for inclusion in 1966 National Severe Storms Laboratory Annual Report. Derived gust velocities up to 20 ft/sec and indicated airspeed fluctuations up to 34 ft/sec have been measured during flight through clear air at altitudes between 40000 ft and 45000 ft in thunderstorm areas. The possible use of weather radar to avoid such disturbances is discussed.