1
A ... is a rotating column of air extending from a cumulonimbus to the ground.
2
A ... is a huge storm with very strong winds.
3
A... is a tall column of water pulled up from the sea during a violent storm.
4
A ... is an electric discharge in the atmosphere.
5
A ... is an opening in the Earth's surface.
6
A ... is a spectrum of light that appears when the sun shines through the rain.
7
... are curtains of colored light visible during the night near the North Magnetic Pole.
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