The authors would thank to Dr. A. K. Liu of NASA Goddard Space Flight Center, Greenbelt, Maryland, for the wavelet analysis related discussions. The authors also thank Dr. M. Y. Mezrin of the Central Aerological Observatory, Dolgoprudny, Moskow, Russia, for the atmospheric moisture measurements. K. Sung, M. Couture, and D. Jahani of the Cloud Physics Research Division of AES are also thanked for their assistance in the data analysis. The aircraft wind data analysis was helped by discussions with Ian MacPherson of NRCC.
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