Sentences with phrase «heavy ice particles»
That is, more dust creates heavy ice particles in high clouds that rain down and ultimately reduce high cloud amounts.
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«Lightning is caused by charge separation within clouds, and to maximize charge separation, you have to loft more water vapor and heavy ice particles into the atmosphere,» he said.
In addition, the team found that in clean skies, the heavier ice particles fall faster out of the anvil - shaped clouds, causing the clouds to dissipate.
Not exact matches
It's well known that particles in the atmosphere such as mineral dust, pollen, heavy metals and even bacteria can act as seeds for the nucleation of ice crystals.
The latest thinking on how lightning occurs is that ice particles within clouds separate into lighter and heavier pieces, and this creates charged regions within the cloud.
The best explanation is that collisions between small ice particles and heavier gobs of slush called graupel tend to transfer electrical charge, but the role of this process in real clouds is not proven.