More than normal rainfall in state
After a gap of six years Kerala received excess rainfall continuously this season following global warming and changes in energy transfer.As part of the ongoing efforts to improve the long-range forecast capabilities, experimental forecast for Have been generated using observed sea surface temperature data and using the persistence method. South west monsoon advanced over south Andaman sea on May almost days earlier than the normal date. Center for monsoon studies director C.K.Rajan said that during this monsoon season Kerala received more than the normal rainfall. The heavy rain during September is a continuation of the usual monsoon as a result of the high temperature from the northerly wind moving towards the Kerala coast.
. There are places where the monsoon is 60-70% higher than the normal rainfall. The pattern of monsoon has changed in the present circumstance with showers accompanied lightning and thunder. The lightning and thunder is due to the mixing u of high temperature from the gulf region and moisture in the atmosphere. When temperature increases there is the possibility of formation of more vapor which moulds into convective clouds. The mixing up of hot air from the gulf region is phenomena of monsoon, Rajan said. The energy transfer from the sea to results in changes in temperature on land
New Indian Express sep 15
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