Chennai Rains: New depression in 24 hours

By NT Bureau Published on Oct 31, 2017 03:24 PM IST

Chennai: It was not a good start but a terrific one by the northeast monsoon this time. Yesterday's spell was so fierce that it rendered many streets flooded.

Met department said the active nature of the monsoon winds and the cyclonic circulation over Bay of Bengal the reason for the menacing rains.

It further said the cyclonic circulation is still persisting while a new depression is also likely to form in the next 48 hours leading to another set of intense spells in the next 24 hours.

An official from the Met department said, "Yesterday’s cyclonic circulation over southwest Bay of Bengal off Sri Lanka coast is still persisting there. In addition, a low pressure area is very likely to form over Gulf of Siam and neighbourhood tomorrow and it is likely to emerge into North Andaman sea during the subsequent 48 hours."

"In the next 24 hours, sky condition is likely to be overcast. Heavy to very heavy rain is likely to occur at isolated places over Chennai, Kancheepuram, Tiruvallur, Cuddalore, Villupuram, Thanjavur, Tiruvarur, Nagapattinam, Pudukottai, Ramanathapuram districts of Coastal Tamilnadu and Puducherry. These rains are likely to last till Friday. Strong winds will blow over the sea from northerly to northeaserly at 15-20 knots gusting t0 25-30 knots occassionally," he added.

Regarding the developments in the last 24 hours, he said, "Sirkazhi recorded a maximum rainfall of 31 cm followed by Parangipettai which recorded 26.3 cm. Meenambakkam recorded 16.87 cm, Karaikal recorded 14.23 cm, Cuddalore 14.02 cm, Nungambakkam 11.6 cm, Nagapattinam 9.52 cm, Adirampatnam 4.85 cm, Puducherry and Tanjavur 3.8 cm and Kodaikanal 1.72 cm."

"In Chennai, maximum and minimum temperatures were 25.8 and 21.6 degrees Celsius. Humidity is at 96 per cent and temperatures witnessed a massive drop up to 5.2 degrees Celsius from normal."

Speaking to reporters today, Director of ACWC, Regional Meteorological Department - Chennai, S Balachandran, said, "Northeast monsoon winds are active over Tamilnadu. The upper air cyclonic circulation persisting over Bay of Bengal near Sri Lanka has moved westwards. In the next 24 hours, coastal areas might receive heavy to very heavy rainfall at isolated places."