Which of the following is the primary reason for the high rainfall in the northeastern states of India?
A. Monsoon winds and orographic lifting
B. Cyclones
C. Frontal systems
D. Convection
Answer: Option A
Solution (By JKSSB Mock Tests)
The northeastern states, including Meghalaya, receive high rainfall due to the orographic lifting of the southwest monsoon winds by the Himalayas and the Eastern Ghats, causing heavy precipitation.
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.
Explanation:
A positive IOD (warmer waters in the western Indian Ocean) is generally associated with a stronger Southwest Monsoon and good rainfall in India.
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