Aurora Borealis

The aurora is one of the most spectacular of all natural phenomena.  Also known as the “Northern Lights, it is light emitted by atoms and molecules in the polar upper atmosphere at altitudes above 100 kilometers.

The basic physics behind the process is the same as that of a Neon sign.  In the Northern Hemisphere, It is best seen from central Alaska, Northern Canada, the Northern tip of Greenland, Iceland, the northern tip of Scandinavia, and off the Siberian coast.  The Aurorain the Northern Hemisphere is called the aurora borealis, while in the Southern Hemisphere it is called the aurora australis.  The author has personally clearly seen the aurora from Memphis, TN in  U.S.

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An article by Paul Ruch No Comments

Hurricanes

Hurricanes are cyclones of tropical origin with wind speeds of at least 74 miles (103.6 kilometers) per hour... The word hurricane comes from the Central American TAINO language, meaning “God of Evil”.

The storms are called Typhoons in the western Pacific, cyclones in the Indian Ocean, and bagnios in the Philippines,and all have the same structure as Hurricanes.

Hurricanes can be thought of as heat engines in which air is drawn in at low levels toward the center of low pressure, rises in the eye wall, and either sinks into the eye or spirals away from the center.

Hurricane season is generally from May through November, with a maximum number of storms occurring in August and September.

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An article by Paul Ruch 3 Comments