Denver Anne Johnston

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Why are cities warmer than the countryside?

In cities, the air, surface and soil temperatures are almost always warmer than in rural areas. This effect is known as the Urban Heat Island – a …

Tropical Cyclones

General characteristics<p><i>Hurricane Katrina</i><p>Areas where tropical cyclones form<p>Factors necessary for their formation<p>A sea temperature of 27° C<br>• Strong …

7(s) The Mid-Latitude Cyclone

<b>Introduction</b><p><b>Mid-latitude</b>or <b>frontal cyclones</b> are large traveling atmospheric cyclonic storms up to 2000 kilometers in diameter with centers of low …