Schnauzergal:
These are Mammatus Clouds, they are on the underside of a Wedge Cloud or Storm.
Schnauzergal:
Fluffy clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Mammatus Clouds
Schnauzergal:
Clouds above Miami, taken from plane.