Kerala's rain pattern has seen a big shift, say experts
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India, Oct. 19 -- The unseasonal downpour last week left a trail of death and destruction in Kerala amid a shift in rain patterns in the state over the last five years. From the 2018 flood of the century to flash floods this month, the change is evident. Experts say the temperature over the Arabian Sea has increased by 1.2 to 1.4 degrees C in the last two decades, increasing the frequency of cyclonic events along the western coast. Usually, the temperature in the Arabian Sea is 1.5 degrees lower than the Bay of Bengal and this is one of the reasons for less cyclonic circulations and low pressure in the Arabian Sea. But of late, the situation is changing. Experts say the warming is not limited to the top layers of the sea.
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