In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Snowiest city in the U.S. : Blue canyon, California.
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The speed of a typical raindrop is 17 miles per hour.
181
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Carbon dioxide is a trace gas and by itself will produce little warming. Also, as CO2 increases, the incremental warming is less, as the effect is logarithmic so the more CO2, the less warming it produces.
11
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Moist air holds heat better than dry air.
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