•	NLC particle size of <70 nm determined by ARCLITE and UV spectrograph
	•	Short-period gravity waves (2-3 hours) lead to weaker cloud backscatter and thinner cloud widths
	•	Statistical analysis of cloud heights, cloud widths and intensities provide new constraints on the physics of NLC formation
	Thayer, J. P., M. Rapp, A. J. Gerrard, E. Gudmundsson, and T. J. Kane, “Gravity-wave influences on Arctic mesospheric clouds as determined by a Rayleigh lidar at Sondrestrom, Greenland, “ J. Geophys. Res., 108(D8), 8449, doi:10.1029/2002JD002363, 2003.
	Thayer, J.P., N.B. Nielsen, and J. Jacobsen, “Noctilucent Cloud Observations over Greenland by a Rayleigh Lidar,” Geophys. Res. Lett., Vol. 22, No. 21, pp. 2961-2964, 1995.