Snow on the Rockies

by Greg Reed

Title

Snow on the Rockies

Artist

Greg Reed

Medium

Photograph - Photo

Description

Taken April 26, 2013 at Westcliffe, CO

Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (14,431 ft/4,399 m) in Colorado is the highest peak. The Rockies are located between the Great Plains on the east (from which they rise abruptly for most of their length) and a series of broad basins and plateaus on the west.

The mountains form the Continental Divide, separating rivers draining to the Atlantic and Arctic oceans from those draining to the Pacific. The major Atlantic-bound rivers rising in the Rockies include the Rio Grande, Arkansas, Platte, Yellowstone, Missouri, and Saskatchewan. Those draining to the Arctic include the Peace, Athabasca, and Liard rivers. Flowing to the Pacific Ocean are the Colorado, Columbia, Snake, Fraser, and Yukon rivers.

Source: http://www.encyclopedia.com/places/united-states-and-canada/us-physical-geography/rocky-mountains




Virga often appears in streaks or shafts extending from the bottoms of clouds. You often see virga over a desert, where low humidity and high temperatures can cause rain to evaporate shortly after being released by clouds. Or you might see virga at high altitudes; in fact, the precipitation often starts out in the form of ice crystals. Virga is commonly seen in the U.S. West and above the Canadian Prairies, in the Middle East, Australia and North Africa. At some northerly latitudes, too – as in the photos from Sweden on this page – virga sometimes paints the sky above.

The word virga is derived from Latin meaning “twig” or “branch”.


Source: http://earthsky.org/earth/virga-is-rain-that-doesnt-reach-the-ground

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May 3rd, 2013

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