How El Nino affects the weather
By: Alex Thompson - 495703
The El Nino circulation pattern interrupts the normal circulation of the Pacific Ocean at irregular intervals ranging from 2 to 7 years. During the normal years that occur between El Ninos, surface temperatures along the coasts of Peru and Ecuador and in the eastern equatorial...
How to identify the varieties of low clouds
By: Frances Stanford
There are nine different varieties of clouds that you can identify by their appearance. These varieties are:1. Opaqus: This is a sheet, a layer or a patch of clouds; the major portion of which is dense enough to obscure the sun or the moon.2...
How to identify the varieties of low clouds
By: Lynette Alice
Everyone has looked up to the sky gazing at the clouds looking for familiar shapes, signs of the weather to come, or plain old curiosity. Most of the time though people have little real idea of what the clouds mean or are even correctly called...
What Medieval Greenland Vikings could teach us about climate change
By: Jimmy Nightingale
In a nutshell, absolutely nothing.The climate denial community make a big deal about a spike in temperatures called the Medieval Warm Period which occurred somewhere between 1000 and 1270 AD. This argument is used to suggest that the current period of warming is nothing...
Why the skies are blue
By: Justin Lee
Rayleigh Scattering Makes the Sky Blue.Rayleigh scattering (pronounced "Ray-Lee") is the light phenomenon that makes our skies blue. When sunlight passes through the atmosphere, light beams encounter tiny bits of dust on their way to the ground. These particles absorb energy from the incident...
How to identify the varieties of high clouds
By: Lynette Alice
High level clouds are those that take up residence in the highest reaches of the troposphere with a base of no less than 16,500 feet ranging to upwards of 45,000, however the average height is generally accepted as somewhere in the range of...
How to identify the varieties of middle clouds
By: Lynette Alice
The clouds classified as middle level clouds are those you will which have a base of no less than 6,500 to 23,000 feet. Middle clouds will appear to look very bright and are generally much less fragmented in their appearance than most other...
Aurora Borealis/Australis: Understanding the Northern/Southern Lights
By: Robert Bullard
Auroras have intrigued and fascinated humans for thousands of years. But although they seem mysterious, the workings of these phenomena are quite simple. The star that holds our solar system together is quite dynamic. As it blasts out its radiation, the streams of hot plasma...
How to identify bad weather clouds
By: Gerald Davis
Clouds. We see them most every day. They decorate our skies with beauty, and they can also forewarn us of impending weather. We gaze at them. We imagine them as looking like animals and things. They can light up our mornings and evenings with brilliant...
How to identify bad weather clouds
By: Morgan Carlson
While there is no clear indicator for weather by the eye, it is possible to recognize an existing potential within a system, especially with clouds. Clouds - as many know through experience - are the one factor that remains consistent through any weather event. It...

 

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