Amid the last 24 hours, mainly light rains were seen over few districts of Tamil Nadu with a couple of moderate spells.
These rains could be attributed to the low pressure area which was over Southwest Bay of Bengal and adjoining Indian Ocean off Sri Lanka Coast. This system has moved slightly west-northwestward nearer to the landmass. Further, we can expect it to keep moving in westerly direction.
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Moreover, a trough of low also stretches from this weather system up to South Coastal Andhra Pradesh via Coastal Tamil Nadu. Along with these active weather systems, southeasterly moist winds are also blowing over the region and expected to strengthen.
In a span of 24 hours from 08:30 am on Saturday, Karaikal recorded rain to the tune of 18 mm, Chennai 4 mm, Tondi 3 mm, Cuddalore 2 mm, Adirampattinam 2 mm, Thanjavur 2 mm and Tiruchirappalli 1 mm.
As per Skymet Weather, South Coastal Tamil Nadu wherein Nagapattinam, Karaikal, Pamban, Tondi and Adirampattinam are likely to record moderate to heavy rain and thundershowers during the next 36 to 48 hours.
Click the image above to see the live lightning and thunderstorm across Tamil Nadu
However, the interior parts of the state such as Salem, Madurai, Coimbatore, and Dharmapuri are expected to get light rain activity only.
The city of Chennai will escape from the brunt of heavy rains this time as only light to moderate rain and thundershowers are anticipated over the area.
Days will remain humid and little warm with cloudy sky conditions, while nights are likely to be pleasant over Tamil Nadu.
IMAGE CREDIT: india.com
Any information taken from here should be credited to skymetweather.com