"We need to motivate and get kids excited to carry the
innovative spirit into the next century. The most rewarding thing
you will ever do is achieve something others said were
impossible." Source: Burt Rutan of
Scaled Composites.
A line of attached cumulus or towering cumulus clouds of
descending height, appearing as stair steps (usually on the
southwest side) of the most active part of a supercell.