Contents

25 February 1977
Vol 195, Issue 4280

About The Cover

Time exposure showing the burn of ten silver iodide pyrotechnics ejected from a DC-6 airplane at an altitude of 6 kilometers on 28 May 1975 east of Key Biscayne, Florida. Lightning in the background is associated with a distant convective system not associated with the flare test. See page 735. [Ronald L. Holle, National Hurricane and Experimental Meteorology Laboratory, National Oceanic and Atmospheric Administration, Coral Gables, Florida]