Lacy clouds that form at high altitudes are cirrus clouds. These types of clouds usually form before there is a change in weather. These clouds form above 20,000 feet, and they indicate fair weather.
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Cirrus clouds are comprised of ice crystals so they are found at high altitudes.
cirrus
Cirrus Clouds
Cirrus clouds.
just high altitudes
up high!
Cirrus clouds are high altitude clouds occurring between 17,000 and 40,000 feet
Cirrus
Cirrus clouds are thin, wispy clouds usually formed at high altitudes.
clouds are made of vapper