cirrus cloud
They form in the cold upper troposphere. This topic is part of Weather within Science & Nature. This page currently draws on 4 supporting questions, with answers and bonus facts available below.
cirrus cloud trivia questions
Cirrus clouds are usually found at what altitude?
Answer: High altitude
Bonus fact: They form in the cold upper troposphere.
Cirrus clouds are made mainly of what?
Answer: Ice crystals
Bonus fact: Temperatures aloft are cold enough for ice.
What appearance is typical of cirrus clouds?
Answer: Thin and wispy
Bonus fact: Their fibrous streaks often signal changing weather.
High, wispy cirrus clouds are composed primarily of what?
Answer: Ice crystals
Bonus fact: The National Weather Service glossary places cirrus clouds roughly 15,000 to 45,000 feet high.