With severe cyclonic storm Fani, causing devastation in the states of Andhra Pradesh, Odisha and West Bengal, the weather conditions in Tamil Nadu and Kerala remained almost dry. In fact, Chennai city observed dry and hot weather conditions during the last 24 hours.
Even though few parts of Tamil Nadu witnessed light rainfall activity. In the last 24 hours from 08:30 am on Saturday, Thiruthani recorded 12 mm of rain.
At present, an upper air trough is extending from Comorin area to Karnataka and adjoining parts of Rayalaseema. Further, we expect this trough to strengthen.
Due to presence of this system, during the next 24 hours, parts of Tamil Nadu and Kerala are likely to witness scattered rain and thundershower activities. However, the eastern parts of both these states will remain almost dry with high day temperatures.
But after 24 hours, around May 7, due to the strengthening to the trough, rain intensity and spread will also increase and during that time most parts of Kerala and Tamil Nadu including Chennai will observe rain and thundershower activities.
Due to these rains, day temperatures in most parts of Kerala and Tamil Nadu will drop and settle below normal. This will bring some relief from the ongoing hot weather conditions in South India.
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