Answer | Crossword Clue |
---|---|
cirrostratus | Cloud forming a thin, more or less uniform, semitranslucent layer at high altitude, usually 16,500û45,000 feet (5û13 km) |
cirrocumulus | Cloud forming a broken layer of small fleecy clouds at high altitude, usually 16,500û45,000 feet (5û13 km), typically with a rippled or granulated appearance (as in a mackerel sky) |