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Feeble low pressure area causes sudden showers

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COLOURFUL ARCH: A rainbow viewed from Anna Salai near the Omandurar Government Estate after the sharp spell of rain on Sunday.
COLOURFUL ARCH: A rainbow viewed from Anna Salai near the Omandurar Government Estate after the sharp spell of rain on Sunday.

Staff Reporter

Cloudy sky, few spells of showers likely today

Chennai: Sunday’s brief but heavy rain in the city was caused by a “feeble low pressure area” over Sri Lanka and neighbouring areas, according to the Regional Meteorological Centre here.

The low pressure area continued to persist late into the day and weather officials have forecast cloudy skies with a few spells of showers on Monday. Between 8.30 a.m. and 8.30 p.m. on Sunday, 42.6 mm of rainfall was recorded at Nungambakkam and 19.7 mm at Meenambakkam. The day remained cool as the maximum temperature was only 29.7 degree Celsius, which is about two degrees lower than the normal maximum temperature for the period.

As the sun shined after the short deluge, a rainbow was seen in some parts of the city. Rainbows are formed when the sun shines on droplets of moisture in the atmosphere.

Water stagnated on several arterial roads including Poonamallee High Road, Kodambakkam High Road, Nungambakkam High Road, Nelson Manickam Road and several roads in north Chennai. The situation in narrower interior roads was worse.

Several church-goers were drenched as they set out to or returned from Sunday morning mass. However, some had brought along umbrellas and raincoats .

In T. Nagar, crowds carried out their shopping expeditions wading through slush as they moved from one store to the other. Water stagnated on both ends of the new flyover on Usman Road, making it difficult for the pedestrians to cross, said Kasturi Basu, a shopper.

Thunder and lightning accompanied the rain in southern suburbs of the city. Vehicular subways were flooded. Power supply was affected. It was restored after the rain stopped. On Saturday evening too, sudden heavy showers for more than an hour made motorists scramble for cover.

The city’s reservoirs and catchment area also received some rain. Between 8.30 a.m. on Saturday and 8.30 a.m. on Sunday, the Red Hills reservoir received about 20 mm of rainfall.

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