Altostratus Clouds (“The boring
Below 6,500 ft. it’s stratus
Between 6,500 and 23,000 ft. it’s altostratus
Boring! –but being so high up, they do make for nice sunsets.
Altostratus are potentially dangerous to aircraft because they can cause ice accumulation on the wings Fast Facts:
Typical Altitude: 6,500-16,500 ft.
Location: Worldwide, common in middle latitudes
Precipitation: Occasional light rain, snow
Composition: Both liquid water, and ice crystals
Formation: Usually formed from the thickening and lowering of a cirrostratus cloud on its way to becoming a nimbostratus