Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
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The winter of 1912 was so cold that Niagara Falls froze over.
35
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
9 out of 10 lightning strike victims survive!
246
There is enough energy in one bolt of lightning to power a home for two weeks!
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The speed of a typical raindrop is 17 miles per hour.
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