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Is a cirrus cloud a rain cloud?

Updated: 9/16/2023
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14y ago

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No. Cirrus clouds are very high clouds, and as a result, are composed almost entirely of ice. The suspended ice particles, though of course subject to the effects of gravity, remain aloft due to the high winds that are present at this altitude. Cirrus clouds form at the top of warm, moist air masses where they meet with cold fronts. The temperature change causes deposition or condensation of moisture to occur, forming cirrus clouds. For this reason, cirrus clouds are a somewhat reliable indicator that precipitation is on the way. At the bottom of the frontal interface , nimbostratus clouds are forming, and follow behind cirrus clouds by 12-24 hours. The lag is a result of air density. The cold front is filled with cold, dense air, so the warm front tends to ride up over it. As a result, the top of the warm front is several hours ahead of the bottom.

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14y ago
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Q: Is a cirrus cloud a rain cloud?
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