Key Points
Winds in March tend to flow from the Middle East to Mumbai, and portend the beginning of a sweltering heat and humidity build-up through May, before the rains arrive in June...
The northern Arabian Sea has also been warming, and the combination of this land and ocean warming have enhanced the duration, frequency, and intensity of heat waves over India in the pre-monsoon season..
Meteorologists have also blamed the northern Arabian-Sea warming for the increase in heavy precipitation events over northwest India, going into Pakistan, in the monsoon season...
The evolution of winds and sea surface temperatures clearly show a rapid warming of the North Indian Ocean, especially the Arabian Sea, which augurs even more heat events...
But it is quite likely that warming over the Middle East plus the Arabian Sea is going to once again produce heavy rainfall events over northwest India and Pakistan...
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