Tamil Nadu is likely to experience heavy rainfall on November 27-28

Latest update:November 23, 2024 10:41 AM EST

Heavy rainfall is expected in Kancheepuram and Chengalpattu on November 26, while heavy rainfall will occur across North Tamil Nadu on November 27 and 28.

According to the weather department, the rainfall will be caused by a low pressure system over the southeastern Bay of Bengal. (PTI image for presentation)

The Regional Meteorological Center (RMC) has issued a yellow alert for North Tamil Nadu, including the state capital Chennai, on November 27 and 28. The precipitation will be driven by a low pressure system over the Southeast Gulf, according to the weather department. Bengal.

The weather system is expected to develop on Saturday and develop into a depression over the next two days, bringing heavy rainfall, Met officials said.

The RMC said the system is not expected to develop into a cyclonic storm. The department said in a statement that rains are returning to North Tamil Nadu after a brief spell of drought.

The forecast calls for 6 to 12 cm of rain over 24 hours on November 27 and 28. Heavy rainfall is expected in Kancheepuram and Chengalpattu on November 26 followed by heavy rainfall in North Tamil Nadu on November 27 and 28. Cuddalore and Ramanathapuram districts will experience rainfall. Heavy rain will also occur on November 27, prompting a yellow alert for these regions.

The RMC has issued an orange alert for November 26 in six districts of Tamil Nadu and Karaikal region and a yellow alert for four districts and Puducherry. Villupuram and Mayiladuthurai districts are under orange alert from November 26, while 10 districts from Tiruvallur to Nagapattinam are under yellow alert due to severe spell.

Since the onset of the northeast monsoon, Chennai has received 55 cm of rainfall, reflecting a slight deficit of 2 per cent, while Tamil Nadu as a whole has received 33 cm of rainfall, 5 per cent above the average.

Met department officials said the expected heavy rainfall in Chennai on November 27 and 28 is likely to clear the rainfall deficit and lead to normal to excess rainfall in the city.

However, heavy rains in the Delta areas of Tamil Nadu, often called the ‘rice bowl’ of the state, is causing concern among Samba rice farmers.

Mayiladuthurai, Thanjavur, Tiruvarur and Nagapattinam districts received significant rainfall, resulting in severe flooding and water stagnation. Sembanarkoil Mayiladuthurai received 68mm rainfall in the last two days.

In Tiruvarur district, Nannilam recorded 59 mm and Nidamangalam recorded 47.7 mm. Heavy rains and waterlogging are likely to cause significant damage to samba crops in these areas where paddy fields cover large areas.

Currently, Tamil Nadu has been experiencing consistent rainfall since the monsoon began on October 17. Nearly 90 reservoirs across the state are more than 60 percent full.

The reservoirs currently hold 143.804 trillion cubic feet (thousand million cubic feet) of water, which is 64.11 percent of their total capacity of 224.297 trillion cubic feet. This marks a significant improvement from the same period last year, when storage volumes stood at 79.514 trillion cubic feet (35.58 percent).

Mettur Reservoir, the most important source of water, has a storage level of 62,140 tmcft, up 384 percent from 2023. Similarly, the Bhavanisagar reservoir has recorded 21,141 tmcft, up 210 percent from last year.

(This story has not been edited by News18 staff and is published from a syndicated news feed – IANS)