The Madden-Julian Oscillation (MJO) is characterized by:
A. A westward-moving pattern of convection
B. A northward-moving pattern of convection
C. An eastward-moving pattern of convection
D. A stationary pattern of convection
Answer: Option C
Solution (By JKExamLibrary)
The MJO is characterized by an eastward-moving pattern of enhanced and suppressed convection (thunderstorms) across the Indian and Pacific Oceans, influencing rainfall and wind patterns.
Explanation:
The polar vortex is primarily located in the stratosphere, with a tropospheric component. It is a seasonal phenomenon that is stronger during winter and weaker in summer.
Explanation:
The Atacama Desert is extremely dry due to a combination of the cold Humboldt Current off the coast (which cools the air and limits evaporation) and the rain shadow effect of the Andes Mountains.
Explanation:
The Chinook is a warm, dry wind that blows in the Canadian Prairies and the United States, particularly on the eastern slopes of the Rocky Mountains.
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