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Science 18 August 1967:
Vol. 157. no. 3790, pp. 808 - 809
DOI: 10.1126/science.157.3790.808
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Articles

Clear-Air Turbulence: Simultaneous Observations by Radar and Aircraft

John J. Hicks 1, Isadore Katz 1, Claude R. Landry 2, and Kenneth R. Hardy 2

1 Applied Physics Laboratory, Johns Hopkins University, Silver Spring, Maryland
2 Air Force Cambridge Research Laboratories, Bedford, Massachusetts

Ultrasensitive radars and uninstrumented jet aircraft in concert have probed regions of the clear atmosphere in search of clear-air turbulence. All sources of clear-air radar echoes above 6 kilometers that were probed simultaneously by the aircraft were found to be turbulent.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)