Although warm Cloud forests disappeared during the glaciations, they re-colonized large areas every time the weather was favorable again.
2.
They were contracted by Oklahoma State University in 1972 to conduct a seeding project to increase warm cloud rainfall in the Lake Carl Blackwell variations.
3.
An area of relatively warm cloud tops at the center of a central dense overcast gave way to an landfall on Iceland on September 1.
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"Fog is nothing more than a cloud on the ground, " he said, and a warm cloud, one above freezing temperature, feels the way fog feels.
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Something very similar happens in a laser cooling apparatus, except such devices start with a warm cloud of atoms moving in numerous directions at variable velocity.
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While not a new technique, hygroscopic seeding for enhancement of rainfall in warm clouds is enjoying a revival, based on some positive indications from research in South Africa, Mexico, and elsewhere.
7.
In warm clouds, larger cloud droplets fall at a higher terminal velocity; because at a given velocity, the drag force per unit of droplet weight on smaller droplets is larger than on large droplets.