19 July 2007 | Authors: Virendra P. Ghate, Bruce A. Albrecht, Pavlos Kollias, Haflidi H. Jonsson, Daniel W. Breed | Geophysical Research Letters | Source
"Giant hygroscopic aerosols were introduced into a solid marine stratocumulus cloud (200 m thick) by burning hygroscopic flares mounted on an aircraft. The cloud microphysical response in two parallel seeding plumes was observed using an instrumented aircraft making 16 transects of the plumes."
Link To Full Document_Cloud seeding as a technique for studying aerosol-cloud interactions in marine stratocumulus
US Patent: High altitude atmospheric injection system and method