What is the name of the phenomenon where the wind blows parallel to isobars?
A. Katabatic wind
B. Geostrophic wind
C. Thermal wind
D. Gradient wind
Answer: Option B
Solution (By JKSSB Mock Tests)
A geostrophic wind is a theoretical wind that blows parallel to isobars (lines of equal pressure) and results from a balance between the pressure gradient force and the Coriolis force.
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?
Explanation:
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.
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