The authors wish to thank Joyce Tichler at Brookhaven National Laboratory for her help in acquiring several ARM datasets and making a workstation available to us. We are also grateful to Patrick Minnis at NASA LARC for sending us the document on the GOES cloud product and to Marvin Wesely at ANL for providing us information on the radiosonde and EBBR instruments. Dr. Iqbal Pittalwala made valuable comments on the paper. We thank two of the three anonymous reviewers whose comments have led improvements to the original manuscript. This research has been partly supported by DOE under Grant DEFG0285ER60314 and partly by NASA under Grant NAG3517 to the State University of New York at Stony Brook.
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