Characteristics of cirrus clouds
By: Nayab Naseer
Cirrus clouds (abbreviated "Ci") are thin, wispy clouds that usually form in the upper stratosphere, at a height of 18,000 feet (6000 meters) above sea level and at temperatures in the range of -20 to -30 degree centigrade (-4 to -22 Fahrenheit). They occur...
Characteristics of Cirrocumulus clouds
By: Nayab Naseer
The system of classifying clouds into various types bases itself the height of the cloud base and on the appearance of the cloud as seen by an observer from the ground. Clouds that form in high altitudes usually evolve out of cirrus clouds, and have...
Characteristics of Altocumulus clouds
By: Nayab Naseer
The term Altocumulus is a combination of two Latin words "Alto," a derivation of "Atlas", meaning "middle" and "cumulus," meaning "mass" or "heap". As the name suggests, altocumulus clouds are middle range clouds that form at an altitude of 6500 to 20000 feet...
Characteristics of cirrus clouds
By: Effie Moore Salem
Cirrus clouds take on many shapes and often have tails - mare's tails - and often appear as great delights when the evening sun shines through them with its red and yellowish hues. Sometimes they even appear scalloped. This look is formed when very...
By: T Marie Allman
From the spectacular pyroclastic displays of Mount Vesuvius to the slow spread of pahoehoe on Hawaii's islands, volcanic eruptions captivate mankind. One of the most intriguing areas of geologic study, volcanoes are simultaneously fascinating and frightening. Not all volcanic eruptions are the same, but they...
A beginner's guide to rock collecting
By: JoAnne Windsinger
The first rock I remember seeing was when my dad plopped a blob of sparkling quartz onto the kitchen table. "Look at this," he said. My heart skipped a beat and my mind danced with possibilities.Now I understood why my parents hauled boxes...
By: Morgan Carlson
As with any answer to a question involving time; that depends. Before even considering the question it is necessary to know the fundamentals of the problem and identify why people are drinking water that is not clean and safe. After determining the problem with water...
By: Alison Bowler
Nickel is a metallic element found in period four and group ten of the periodic table. It is silvery white in color. The metal is hard, ductile and malleable it is also very resistant to corrosion. It is these properties that dictate many of its...
The history of forecasting the weather
By: S.C. Kleinhans
Meteorologists were not living on this planet at the very beginning of its existence. Computers and electricity were certainly not available during the Middle Ages. Weather forecasting history would have to wait an exceptionally long time until well-educated men and women could play around with...
The effect of weather on mental health
By: Passion Whylie
Can't wait for summer! How many times during the harsh winter months do you hear sonmeone say that? The weather conditions can very well control your mental health. This may sound strange but it is true. It's summer! The sun is shining through your windows...

 

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