Which of the following is the primary reason for the 'cold wave' in northern India?
A. Polar winds from the Himalayas
B. Western Disturbances
C. High-pressure over Central Asia
D. All of the above
Answer: Option D
Solution (By JKSSB Mock Tests)
Cold waves in northern India are caused by Western Disturbances, polar winds descending from the Himalayas, and high-pressure systems over Central Asia.
Explanation:
The Fujita scale (and the Enhanced Fujita scale) is used to rate the intensity of tornadoes based on the damage they cause. The Saffir-Simpson scale is for hurricanes.
Explanation:
The Coriolis force is maximum at the poles and zero at the equator. It is directly related to the sine of latitude, so it increases from the equator to the poles.
Explanation:
The West African monsoon is driven by sea surface temperature differences in the Gulf of Guinea, land-sea temperature contrast over the Sahara, and the northward migration of the Intertropical Convergence Zone (ITCZ).
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