'Mothership' Thunderstorm Gets a Time-Lapse Video — mashable.com

There are many different types of thunderstorms out there, but none are as other-worldly as low-precipitation supercells, commonly referred to as "LP supercells." These storms have a rotating current of rising air known as an updraft, giving them the appearance of spaceships with a striated, rotating cloud base. Storm chasers refer to them as "motherships." In eastern Wyoming on Sunday evening, just such a storm — the kind that can spawn tornadoes — formed near Newcastle, Wyoming, near the South Dakota border. Luckily, storm chasers were there to capture it in all its glory.

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