As an air parcel rises, the surrounding atmospheric pressure decreases. The parcel must expand to match this lower pressure. Expanding requires energy, which the parcel takes from its own internal heat. Since no heat is added from the outside, the ...
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The Coriolis effect depends on the sine of the latitude. At the Equator (0°), the sine value is zero, meaning there is no horizontal deflection. While the Earth is rotating fast at the Equator, the rotation is parallel to the ...
Sirocco is the name of a famous local wind that blows across the Mediterranean Sea. It is a hot, dry wind that starts in the Sahara Desert of North Africa. As it moves toward Europe, it can pick up moisture ...
The Harmattan is known as the “doctor wind” in West Africa. It blows from the Sahara Desert toward the coast. Its name comes from the fact that it is very dry and cool, which provides a healthy relief from the ...
The Chinook is nicknamed the “snow eater” because of its incredible power to melt snow in North America. These warm, dry winds can raise the temperature by 20 degrees Celsius in just a few hours. This rapid heat causes snow ...