Saturday, April 25, 2015

Sudden showers cool Chennai, more expected today

CHENNAI: After the blazing heat earlier in the week, a sudden downpour brought down the temperature in the city on Friday. The Met department has forecast rain for the entire state on Saturday.

The city recorded 5.4mm of rainfall, while the suburbs experienced 0.6mm though the downpour began only around 7pm. Traffic slowed down in many areas and at the airport flights from Singapore, Kolkata, Mumbai and Coimbatore came in late, while a Chennai-Delhi flight took off more than half an hour after the scheduled time.

The minimum temperature dipped by 6 degrees Celsius from 29 degrees C on Thursday. The weather turned pleasant in the afternoon as the sky was cloudy.

A Regional Meteorological Centre (RMC) official said a trough of low pressure over the Indian Ocean was causing the rain. "It is located near the equator right in south of Indian peninsula. And it is moving north," said a duty officer. While the state's southern regions can expect up to 6cm of rain, the northern parts, including Chennai, may get up to 3cm. "Rain will be widespread, accompanied by thundershowers," he added. A trough is a region of low atmospheric pressure that usually brings in clouds and rain.

For Chennaiites suffering due to the high temperatures in the last few days, Friday's rain was a blessing. "Living along the coast gets really difficult at times. Clothes stick our bodies and the humidity makes the summer worse than what it is already," said Mandaveli resident K Suresh. Weather experts say rain in the southern parts of Tamil Nadu increases humidity across the state, making it uncomfortable for everyone during non-rainy days.

Rain in April is unusual for Chennai. It received no rain in April in 2009, 2010 and 2014 and in 2007 received only 0.1mm. On April 15 this year, Chennai witnessed one of its biggest downpours for the month with Meenambakkam recording 103.2mm. Nungambakkam recorded only 2.6mm.

On April 12, 1951, the city received 100.3mm of rainfall, highest on a single day in its history. In April 1909, the city recorded 191mm for the whole month - highest for the month.

Between March 1 and April 24 this year, Tamil Nadu received 99mm of rain, 102% more than the normal of 49.1mm. In this period, apart from Nilgiris which got 254.4mm, Kanyakumari got the highest rainfall. While Against the normal of 119.9mm, Kanyakumari received 205.3mm.

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