In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Moist air holds heat better than dry air.
114
Dirty snow melts faster than clean.
350
Snowiest city in the U.S. : Blue canyon, California.
112
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442