Altocumulus Composed of flattened, thick, gray, globular masses, this middle cloud genus is primarily made of water droplets. In the mid-latitudes, cloud bases are usually found between 8,000 and 18,000 feet. A defining characteristic is that it often appears as a wavy billowy layer of cloud, giving it the nickname of "sheep" or "woolpack" clouds. Sometimes confused with cirrocumulus clouds, its elements (individual clouds) have a larger mass and cast a shadow on other elements. It may form several sub-types, such as altocumulus castellanus or altocumulus lenticularis. Virga may also fall from these clouds.

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"It is again time to announce that nominations for the A. Scott Crossfield Aerospace Education Teacher of the Year Award are open. This award for a classroom teacher is in memory of the public school teachers who so wondrously influenced my whole life. It is dedicated to the past recipients, who in addition to having proven their dedication and worth to aerospace education, have all gone on to greater contributions of major significance. The objective is to recognize and reward aerospace education teachers for outstanding achievement in aerospace education and to encourage further achievement in teaching aerospace.” Source: From remarks made after the National Aviation Hall of Fame (NAHF) announced that it is the new stewar