the falling to earth of any form of water (rain or snow or hail or sleet or mist)
cloud contains water droplets that have condensed on cloud-condensation nuclei
rain forms in cold clouds
temperature at which condensation begins
temperature at which frost forms
A current of rising air
As the updraft pulls more and more warm, moist air into the atmosphere, a rapidly growing cumulus cloud begins to form.
2nd stage of thunderstorm. Cloud becomes to saturated causing heavy rain, thunder, lightning and stron winds and sometimes hail.
a downward rush of air caused by the falling of rain during a thunderstorm
there is one updraft system and one resulting thundercloud
a material through which electric current DOES NOT pass easily
jerky movement of negative charges toward the earth
the downward flow of electrons during a cloud to ground lightning discharge. this discharge produces the bright light of a lightning flash and sound.