Sahel Drought in the late 20th Century

Drought by definition is “a function of rainfall” (Agnew and Chappell 1999, p.299). However, this definition is insufficient, only considering precipitation results in anomalies that cannot be explained. Unless it is a purely meteorological drought, even then local and regional human impact increases the stress (Thomas and Goudie, 2009). Factoring in local variabilities, and human … Read more

The Dust Bowl

The Dust Bowl, also known as the Dirty Thirties, was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s; severe drought and a failure to apply dryland farming methods to prevent wind erosion (the Aeolian processes) caused the phenomenon. The drought came … Read more

What mechanisms produce high precipitation in the tropics?

“The Global Circulation can be described as the worldwide system of winds where the necessary transport of heat from tropical to polar latitudes is accomplished,” (metoffice.gov.uk).These atmospheric heating and circulation patterns are controlled by three cells of air flow between the Earth’s poles and the equator. These three cells are the Polar Cell, Ferrel Cell, … Read more

Hurricanes Report Essay

Hurricanes get their start over the warm tropical waters of the North Atlantic Ocean near the equator. Most hurricanes appear in late summer or early fall, when sea temperatures are at their highest. The warm waters heats the air above it, and the updrafts of warm, moist air begin to rise. Day after day the … Read more

The Lynmouth floods of 1952

The small coastal town of Lynmouth became known throughout the world for the disaster, which struck in August 1952. On the night of the 15th, after continuous rain throughout the day, the rivers of the East and West Lyn rose suddenly and filled with the waters from their Exmoor catchments. Large boulders and rocks were … Read more

Tornadoes Report Essay

A tornado is a violently rotating column of air that extends from a thunderstorm cloud to the earths surface. They are sometimes nicknamed twisters because of their shape and because of what they do. The winds in the tornadoes are usually 100mph or less. In +F4’s they can exceed 250mph. They usually stay on a … Read more

Tornadoes Report Essay

A tornado is a violently rotating column of air that extends from a thunderstorm cloud to the earths surface. They are sometimes nicknamed twisters because of their shape and because of what they do. The winds in the tornadoes are usually 100mph or less. In +F4’s they can exceed 250mph. They usually stay on a … Read more

Forecast Storms Essay

If you know where and when to look, you can treat yourself to a colourful display of atmospheric haloes, spots and pillars. These images can tell you something about the clouds overhead and possible changes in the weather. All of these images are created by light shining through cirrostratus clouds. These clouds occur at an … Read more