Measurements of cloud droplet size distributions in seeded warm cumulus clouds

Interaction of a single laser filament with a single water droplet

“…In characterizing the propagation of filaments over long distances, it is important to first quantify the energy lost during filamentatmosphere interaction and to identify the mechanisms responsible. To achieve this goal, we have conducted a study of the interaction of well-characterized single filaments with precisely positioned single aerosols having a specific size similar to those found in atmospheric clouds [20]. There have been several studies of high intensity laser interaction with micro-sized particles and its analysis using radiography [21,22].…”

Electrical and Microphysical Responses to Salt Seeding in Warm Maritime Cumulus Clouds

“…Following massive salt seeding, increases in cloud temperature by I to 2 Celsius and cloud liquid water content up to 200 percent were observed in warm cumulus clouds (Ramahandra Murty eta., 1975. Cloud drop size distributions in seeded warm cumulus clouds increased in mean volume diameter up to 478 percent and computed liquid water content increased upward of 60 percent (Kapoor et al, 1976). In maritime warm cumulus clouds, which developed rain following seeding, the electric field reversed from initial negative to positive, occasionally preceded by intensification (Ramachandra Murty et al, 1976).…”

“…Liquid water content was measured by a JW-hot wire meter (Ramachandra Murty et al, 1976). Cloud drop size distributions were measured using a droplet sampler containing glass slides (Kapoor et al, 1976).…”