Weather Reference Libraries

Page 16 of about 157 Articles
2009-07-04 15:37:27

Nimbostratus clouds are distinguished by a formless cloud layer that is predominantly dark gray in color. "Nimbo" comes from the Latin word "nimbus", meaning rain. It is a cloud that produces rain, and develops a cloud base between the surface and 10,000 feet. These clouds normally have a thickness of 6,500 to 10,000 feet, but can range from 3,500 to 15,000 feet. In rare cases, nimbostratus can...

2009-07-04 15:17:50

Cirrostratus are thin and generally uniform clouds that are composed of ice crystals. These clouds are capable of forming halos. They are mostly located above 18,000 feet. When they are thick enough to be seen, they appear whitish, but usually have no distinguishable features. When covering the whole sky and often so thin as to be barely noticeable, this may indicate a large amount of moisture...

Prairie or Western rattlesnake
2007-06-25 07:04:28

The Prairie or Western rattlesnake, Crotalus viridis, is a venomous species native to the western United States, southwestern Canada, and northern Mexico. In Canada it occurs in Alberta and Saskatchewan; in the USA in eastern Idaho, Montana, North Dakota, South Dakota, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, Texas, New Mexico, extreme eastern Arizona, in Mexico in northern Coahuila and...

Greater argentine
2007-02-21 17:12:12

The Greater argentine or Atlantic argentine, Argentina silus, is a northern Atlantic smelt in the family Argentinidae, or herring-smelts. It is synonymous with Salmo silus.

Southern Three-banded Armadillo
2006-12-12 14:24:59

The Southern Three-banded Armadillo, Tolypeutes matacus, is an armadillo species from South America. It is found in Argentina, Brazil, Paraguay and Bolivia.

2006-02-22 13:58:53

PHOTO CAPTION: Markham's Storm-petrel The storm-petrels are seabirds in the family Hydrobatidae, and part of the order Procellariiformes. They are the smallest of seabirds and relatives of the petrels. They feed on planktonic crustaceans and small fish picked from the surface, typically while hovering. The flight is fluttering and sometimes bat-like. Storm-petrels have a broad-based...

Word of the Day
  • The deadly nightshade, Atropa Belladonna, which possesses stupefying or poisonous properties.
  • A sleeping-potion; a soporific.
  • To mutter deliriously.
The word 'dwale' comes from an Old English word meaning 'error, doubt, delusion.'