What is the name of the phenomenon where there is a large-scale pattern of sea level pressure differences between the Aleutian Islands and the Pacific Northwest? MCQ with Answer and Explanation

What is the name of the phenomenon where there is a large-scale pattern of sea level pressure differences between the Aleutian Islands and the Pacific Northwest?
A. North Atlantic Oscillation
B. Arctic Oscillation
C. Madden-Julian Oscillation
D. Pacific-North American Pattern
Answer: Option D
Solution (By JKExamLibrary)
The Pacific-North American (PNA) pattern is a climate pattern characterized by sea level pressure differences between the Aleutian Islands (Aleutian Low) and the Pacific Northwest, influencing the weather in North America.

This question belongs to: Geography GK Climate and Weather

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