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When the temperature of a cloud is below negative 18 degrees Celsius the cloud consists almost entirely of ice crystals and snow.
Ice Cystals.
ice particles? www.bspmet.com
cloud formation
It was important when the Sun was forming a shrinking interstellar cloud of gas.
When the temperature of a cloud is below negative 18 degrees Celsius the cloud consists almost entirely of ice crystals and snow.
air
Ice Cystals.
snow and ice crystals
snow and ice crystals
ice particles? www.bspmet.com
when the temperature of the rising air falls below the dew point
It depends on the temperature of the air around the cloud. A cumulus cloud is formed by warm air rising into a layer of cooler air, so the base of the cloud will be warmer and the air will get colder toward the top of the cloud. If water vapor condenses out of the air as it rises in the cloud, this will warm up the air in the middle of the cloud.
When the temperature of the air matches the dewpoint temperature clouds are expected to form.If the temperature is above 0 then the cloud is made of water droplets. When the temperature is below 0 than the cloud would be made up of snow crystals or super cooled water.
Condensation
When there is a large concentration of water in cloud formation, when the air temperature is below freezing.
NOVEL STARS ANSWER: snow and ice crystals