Special Clouds with Extensive Vertical Development

AVIATION WEATHER

CHAPTER TWO

they have no precipitation and do not constitute an icing hazard. Severe or extreme turbulence is

often found in the anvil cirrus of thunderstorms.

Figure 2-16 Cirrus Clouds

Special Clouds with Extensive Vertical Development

This category consists of towering cumulus and cumulonimbus clouds. The base of these clouds

is found at the low to middle cloud heights and their tops extend through the high cloud category.

Figure 2-17 shows cumulonimbus clouds.

Figure 2-17 Cumulonimbus Clouds

Atmospheric Mechanics of Winds, Clouds and Moisture, and Atmospheric Stability

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