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The worst isn't behind for Bengaluru. Weather office warns of heavy rains for two more days

Bengaluru rains: The Indian Meteorological Department (IMD) said that heavy rainfall is likely to occur in south interior Karnataka, including the city, for the next two days.

Sri Lasya Edited By: Sri Lasya @laasiyapriya Bengaluru Updated on: September 07, 2022 23:43 IST
According to IMD data, the Bengaluru City observatory
Image Source : PTI According to IMD data, the Bengaluru City observatory recorded 251.4 mm of rainfall in the last four days, including 131.6 mm on Sunday, the highest 24-hour precipitation in September in 34 years.

Highlights

  • Bengaluru has been on brink of floods for past few weeks as the city has been receiving heavy rains
  • Weather department on Wednesday said that the worst is not over for the IT capital yet
  • IMD said that heavy rainfall is likely to occur in south interior Karnataka

Bengaluru rains | Bengaluru has been on the brink of floods for the past few weeks as the city has been receiving heavy rains, leading to floods, waterlogging and making life difficult for citizens. On Wednesday, the people of the city breathed a sigh of relief as flood waters receded in some parts of the city. However, the weather department on Wednesday said that the worst is not over for the IT capital yet.

The Indian Meteorological Department (IMD) said that heavy rainfall is likely to occur in south interior Karnataka, including the city, for the next two days. 

Heavy to very heavy rainfall is predicted over a few places in coastal and south interior Karnataka on September 8-9 and interior Karnataka on September 9-10, according to the India Meteorological Department (IMD).

"A cyclonic circulation lies over interior Karnataka and neighbourhood. A trough runs from cyclonic circulation over east-central and adjoining southeast Bay of Bengal to north Kerala across Rayalaseema and south interior Karnataka," it said.

While experts have attributed the flooding in IT capital to encroachments on the stormwater drain and water bodies which impede the flow of rainwater, excess rain has also played its part.

Bengaluru Rain, Bengaluru Weather, Bangalore Floods, Bengaluru Rain News, Bangalore News, Karnataka  - India Tv
Before this, the observatory gauged 132.6 mm on September 26, 2014.
Bengaluru Rain, Bengaluru Weather, Bangalore Floods, Bengaluru Rain News, Bangalore News, Karnataka  - India Tv
The Bengaluru HAL Airport Observatory recorded 271.2 mm of rainfall during this period, including 123.8 mm on Sunday.

Highest precipitation in September in 34 years

According to IMD data, the Bengaluru City observatory recorded 251.4 mm of rainfall in the last four days, including 131.6 mm on Sunday, the highest 24-hour precipitation in September in 34 years.

Before this, the observatory gauged 132.6 mm on September 26, 2014. The all-time high is 177.6 mm recorded on September 12, 1988, senior IMD scientist R K Jenamani said.

The Bengaluru HAL Airport Observatory recorded 271.2 mm of rainfall during this period, including 123.8 mm on Sunday. The Bengaluru KIAL Observatory reported 158 mm of precipitation in the last four days, including 109.6 on Sunday.

"This is not a localised phenomenon. We have seen large excess rainfall over Tamil Nadu, Lakshadweep, north interior Karnataka, south interior Karnataka in the last one week," Jenamani said.

On September 3-4, a convergence line extended from Comorin area to north interior Karnataka at lower level. A convergence line is a band of cloud that remains fairly stationary and can produce large amounts of rain across a relatively small area. 

Thereafter, a cyclonic circulation formed over south interior Karnataka. It lay near Bengaluru on September 4 night. A local Met official said a shear zone deposited heavy rains in south interior Karnataka including Bengaluru city on Sunday. A shear zone is an area filled with opposing winds concentrating heavy rain in that zone.

According to the IMD data, Bengaluru Rural gauged 752.3mm of rainfall against a normal of 303.5mm between September 1 and September 7 -- an excess of 148 per cent. Bengaluru Urban received 168 percent surplus rainfall -- 840.2mm of precipitation against a normal of 313.2mm -- during the period. In August, Bengaluru received 370 mm of rainfall, a little short of the all-time record of 387.1 mm of rainfall in August 1998.

ALSO READ: Unacademy CEO Gaurav Munjal, family, pet dog rescued in tractors in Bengaluru after society floods | Watch

Also Read: Bengaluru Floods: New experience for IT professionals as they take tractor rides to reach office

(Pti inputs)

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