Chennai Weather News Highlights: Four killed in rain-related incidents in Tamil Nadu; strong winds, heavy downpour continues in Chennai
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Chennai Weather News Highlights: Four killed in rain-related incidents in Tamil Nadu; strong winds, heavy downpour continues in Chennai

Chennai Cyclone Weather Highlights: Cyclone Mandous weakened into a deep depression in the early hours of Saturday, and lay centred 55 km north-northwest of Mahabalipuram and about 40 km west-southwest of Chennai.

By: Express Web Desk
Chennai | Updated: December 11, 2022 07:32 IST
Chennai: A man walks through a waterlogged area after the landfall of Cyclone Mandous, at Marina beach in Chennai, Saturday, Dec. 10, 2022. (PTI Photo/R Senthilkumar)  Chennai: A man walks through a waterlogged area after the landfall of Cyclone Mandous, at Marina beach in Chennai, Saturday, Dec. 10, 2022. (PTI Photo/R Senthilkumar)

Weather in Chennai Highlights (December 10): Cyclonic storm Mandous, which crossed the coast at Mamallapuram near here, has weakened into a deep depression but the weather system impacted the city and its neighbourhoods, uprooting a number of trees. Around 400 trees fell in the city under the impact of 70 kmph wind speed when the weather system crossed the coast in the intervening night of December 9 and 10, Tamil Nadu Chief Minister M K Stalin said. Four persons were killed, he said without elaborating, news agency PTI reported. Civic agencies, including the Greater Chennai Corporation here, were involved in removing the fallen trees.

The cyclone weakened into a deep depression in the early hours of Saturday, and lay centred 55 km north-northwest of Mahabalipuram and about 40 km west-southwest of Chennai. It will further weaken into a depression by this afternoon. Light to moderate rainfall is predicted in most places, with heavy to very heavy rainfall at isolated places across north interior Tamil Nadu.

A holiday has been declared on Saturday for schools and colleges in Chennai, and other districts including Vellore, Villupuram, Cuddalore, Ranipet, Tiruvallur, Chengalpattu, and Kancheepuram due to rain forecast. As many as 16,000 police personnel and 1,500 Home guards have been deployed in the state for security, relief and rescue tasks, and a 40-member team of the Tamil Nadu State Disaster Response Force, in addition to 12 District Disaster Response Force teams, are on standby, the police said. Nearly 400 personnel of the NDRF and State Disaster Response Force teams have been stationed in coastal regions, including near the Cauvery delta area.

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Chennai Weather Forecast, Cyclone Mandous Highlights: Cyclone Mandous brings heavy rains, squally winds to Tamil Nadu; holiday declared for schools, colleges in Chennai, 15 districts; Follow updates here.

21:43 (IST)10 Dec 2022
Mandous dissipates, no large scale damage in Tamil Nadu

Relatively a lesser degree of damage, including those to houses marked the landfall of cyclonic storm Mandous in Tamil Nadu and at least four people were killed in rain-related incidents, authorities said here on Saturday.

'There is no damage on a large scale,' Chief Minister M K Stalin said after visiting affected fishing neighbourhoods here and distributing relief assistance to them. Tamil Nadu and particularly Chennai has 'come out of the impact of Mandous,' he said.

Stalin, answering a question, told reporters that estimation of loss was being done and if required Central assistance would be sought. Four persons were killed, he said, apparently referring to rain-related incidents. As many as 181 houses --hutments-- were damaged and information on other kinds of damage was being compiled. In 201 relief camps, 9,130 people belonging to 3,163 families are being sheltered. (PTI)

20:15 (IST)10 Dec 2022
Rivers overflow in several areas of Andhra Pradesh

Roads got submerged and traffic was disrupted, as rivers overflowed in several areas of the KVB Puram Mandal on Saturday due to heavy rainfall in the region following Cyclone Mandous. The areas that faced such overflow of rivers included Kovanur, Thimmasamudram, and Rajula Kandiga.

Earlier today, the KVB Puram Mandal in Andhra Pradesh's Tirupati district recorded the highest rainfall at 258mm due to Tropical Cyclone Mandous currently active in the Bay of Bengal region, said official sources. As per sources, the way from KVB Puram Mandal, under the Satyavedu constituency, towards the Srikalahasti is completely blocked due to heavy water flow from nearby ponds and lakes.

Along with Andhra Pradesh, Chennai and several other parts of Tamil Nadu, have witnessed heavy rain and strong winds as cyclonic storm Mandous crossed the states on Saturday after landfall, as per the India Meteorological Department (IMD). (PTI)

19:28 (IST)10 Dec 2022
Waterlogging damage food stalls at Marina beach in Chennai

Cyclone Mandous on Saturday caused waterlogging at the Marina beach in Chennai and damaged the food stalls.


17:42 (IST)10 Dec 2022
Wooden ramp built for disabled at Chennai’s Marina beach damaged days after inauguration

A recently built wooden ramp for the disabled at Chennai’s Marina beach was damaged by intense waves on account of cyclone Mandous Friday morning.

The 263-metre-long, 3-metre-wide ramp was constructed with a mix of several categories of wood, including Brazilian wood, at a cost of Rs 1.14 crore, according to officials. It was inaugurated by Chepauk MLA and Chief Minister MK Stalin’s son, Udhayanidhi Stalin. (Read more)

17:24 (IST)10 Dec 2022
Watch: GCC uses high power jet machines to clean roads
17:00 (IST)10 Dec 2022
Cyclone Mandous effect: Rains and cloudy skies in Bengaluru and neighbouring districts

Bengaluru is likely to witness light to moderate rains and cloudy skies until Sunday, due to the effect of cyclone Mandous, which crossed the coast in neighbouring Tamil Nadu. The city has been witnessing light to moderate rains since this morning.

"Generally cloudy sky. Light to moderate rain is very likely. Surface winds are likely to be strong at times. Mist is very likely during early morning hours in some areas. Maximum and minimum temperatures very likely to be around 24 and 19 Degrees Celsius respectively," India Meteorological Department (IMD) forecast for the next 48 hours, issued earlier on Saturday said.

According to the Met department, rainfall occurred at a few places over South Interior Karnataka and at isolated places over Coastal and North Interior Karnataka. Forecasting light to moderate rain is very likely to occur at most places over South Interior Karnataka and at a few places over Coastal and North Interior Karnataka during the next 24 hours, a release said, heavy to very heavy rain very likely to occur at isolated places over Bengaluru Rural, Chitradurga, Mandya, Ramanagara and Tumkur districts. (PTI)

16:32 (IST)10 Dec 2022
Watch | Cyclone Mandous wreaks havoc in parts of Chennai, leaves trail of devastation in its wake

16:12 (IST)10 Dec 2022
Watch | Parandur: Agricultural land submerged under water due to incessant rain, water to enter houses
15:49 (IST)10 Dec 2022
Watch: A special interview about weather and storms by expert S Balachandran
15:35 (IST)10 Dec 2022
Clearing fallen trees, fixing streetlights, Mosquito fogging: GCC relief work at full swing


The Greater Chennai Corporation (GCC) on Saturday initiated relief and maintenance work after the havoc casued by Cyclone Mandous in the city. The municipal body is taking all measures to clear the uprooted trees and fallen tree branches. 

"Power to street lights are cut and will be resumed after clearing the trees. Mosquito fogging activities are also done. Please contact us at 1913 for any help," GCC said in a tweet.

15:17 (IST)10 Dec 2022
Four killed in rain-related incidents: CM Stalin

Around 400 trees fell in the city, while four persons will killed by rain related incidents, Tamil Nadu Chief Minister M K Stalin said.Civic agencies, including the Greater Chennai Corporation here, were involved in removing the fallen trees.

Stalin, who reviewed the situation at Kasimedu area, told reporters that the government anticipated the situation and put in all preventive measures and could therefore prevent major damage.

"With advanced planning, this government proved any disaster can be managed," he said. (PTI)

13:26 (IST)10 Dec 2022
Over 200 people relocated to relief camps: GCC Commissioner

Greater Chennai Corporation Commission, Gangandeep Bedi, said that more than 200 people have been relocated to relief camps due to heavy rainfall caused by Cyclone Mandous, and around 9,000 people have been provided. 

12:02 (IST)10 Dec 2022
Severe waterlogging in parts of Chennai post Cyclone Mandous: In Pictures

11:21 (IST)10 Dec 2022
Cyclone Mandous approaching: Here is all you need to know

Tamil Nadu and neighbouring areas are bracing for heavy rainfall with cyclone Mandous expected to cross India’s coast between Puducherry and Sriharikota on the night of December 9, the India Meteorological Department (IMD) said Thursday.

The well-marked low-pressure area over southeast Bay of Bengal intensified into a depression on December 6 and it further intensified into a “deep depression” and lay about 750 km off Chennai as of Wednesday.

In its bulletin issued on Thursday, the IMD said the cyclone “is expected to move west-northwest and cross north Tamil Nadu, Puducherry and adjoining South Andhra Pradesh coast between Puducherry and Sriharikota with a wind speed of 70 km per hour around midnight of December 9.” Read more

10:56 (IST)10 Dec 2022
Nearly 100 trees uprooted in Chennai

According to the city police, nearly 100 trees fell in different parts of the metro and 52 have been removed in coordination with its personnel. Power poles fell down in five locations and three had been cleared.

10:23 (IST)10 Dec 2022
Cyclone Mandous crosses Tamil Nadu coast: Top developments

Cyclone Mandous, which emerged from the Bay of Bengal, made landfall in Mamallapuram, 30 km from Chennai, on Friday night, resulting in heavy rainfall and squally winds in parts of coastal Tamil Nadu. The cyclone crossed the coast between Puducherry and Sriharikota at around 1.30 am, before weakening into a deep depression. The India Meteorological Department (IMD) has predicted light to moderate rainfall across the state today, and heavy to very heavy rainfall at isolated places across north interior Tamil Nadu. Here are the top developments so far

10:14 (IST)10 Dec 2022
Vehicular traffic in Marina beach resumes: Chennai Police

Vehicular traffic, which has been suspended on the Kamarajar Salai off Marina beach, has been resumed, the Greater Chennai Police said. Subways did not suffer waterlogging.

10:01 (IST)10 Dec 2022
Watch | High-speed wind in Chennai post Cyclone Mandous
09:56 (IST)10 Dec 2022
Vandalur Zoo closed for public today

Due to heavy rains caused by Cyclone Mandous, the Arignar Anna Zoological Park, Vandalur will remain closed to visitors on Saturday. 

09:51 (IST)10 Dec 2022
No major damaged, 9,000 people lodged in 205 relief centres: KKSSR Ramachandran

Tamil Nadu Revenue and Disaster Management Minister K K S S R Ramachandran on Saturday said there was no major damage caused by heavy rains due to Cyclone Mandous. Over 9,000 persons have been lodged in 205 relief centers, he said.

09:35 (IST)10 Dec 2022
Watch | Inconvenience caused to residents as trees were uprooted in Chennai due to heavy rains
09:28 (IST)10 Dec 2022
Wall collapses in T Nagar due to heavy rains

A wall collapsed in Chennai's T Nagar area due to heavy rains as Cyclone Mandous made landfall late Friday night, causing damage to three cars that were parked near it. 

09:13 (IST)10 Dec 2022
Chennai power cut today: These areas will face a power cut in Chennai

The Tamil Nadu Generation and Distribution Corporation (Tangedco) has announced that power will be suspended in parts of Chennai today in IT Corridor for carrying out maintenance work in the city. Parts of Chennai will face a power shutdown from 9 am to 2 pm, with supply expected to resume before 2 pm if the work is completed. Read more

09:00 (IST)10 Dec 2022
Cyclone Mandous: Schools, colleges to remain closed today

Educational institutions across Tamil Nadu will remain closed on Saturday, due to heavy rainfall caused by Cyclone Mandous. Close to 15 districts, including Chennai, Vellore, Villupuram, Cuddalore, Ranipet, Kancheepuram announced a holiday for schools and colleges today. 

08:35 (IST)10 Dec 2022
Vehicle movement along ECR resumes: Chennai Police

The Greater Chennai Traffic Police Saturday announced that vehicular movement along the East Coast Road (ECR) resumed at 6 am. The stretch had been closed since 10 pm last night, due to Cyclone Mandous. 

In a tweet, the police said, "In view of the Mandous cyclone, Traffic was not allowed bothways on ECR between Akkarai and Kovalam except for the residents living in this stretch and emergency services vehicles from 10 pm on 09.12.2022. From 6 am on 10.12.2022, Traffic is allowed as usual".

08:21 (IST)10 Dec 2022
Cyclone Mandous: Large tree uprooted in Egmore causing severe damage to petrol bunk

Heavy rainfall and strong winds were witnessed in Chennai due to the presence of Cyclone Mandous resulting in trees uprooting in parts of the city. In this video, a large tree was uprooted in Egmore, causing several damage to a petrol bunk nearby. 

08:13 (IST)10 Dec 2022
📣 List of helpline numbers in case of emergencies

The Tamil Nadu government put out a list of helpline numbers in case of any flood-related emergencies. Here's a list!

08:05 (IST)10 Dec 2022
Watch | Waterlogging reported in Arumbakkam's MMDA Colony due to heavy rain

Due to heavy rains caused by Cyclone Mandous, waterlogging was reported in several areas of Chennai including the MMDA Colony in Arumbakkam. 

07:47 (IST)10 Dec 2022
16,000 police personnel deployed as Cyclone Mandous creates havoc in Chennai

As many as 16,000 police personnel and 1,500 Home guards have been deployed in the state for security, relief and rescue tasks, and a 40-member team of the Tamil Nadu State Disaster Response Force, in addition to 12 District Disaster Response Force teams, are on standby, the police said. Nearly 400 personnel of the NDRF and State Disaster Response Force teams have been stationed in coastal regions, including near the Cauvery delta area.

07:32 (IST)10 Dec 2022
Chennai Corporation removes clear roads due to damage caused by Cyclone Mandous

Cyclone Mandous, which crossed the coast of Tamil Nadu late Friday, wreaked havoc in Chennai, where trees were uprooted, electricity supply disrupted, and waterlogging in low-lying areas. The city has received 115.1 mm of rainfall in the 24 hours ending 5.30 am, the India Meteorological Department said. Greater Chennai Corporation (GCC) workers have been clearing the roads to ease the traffic situation in the city. 

07:21 (IST)10 Dec 2022
Trees uprooted due to heavy rainfall caused by Cyclone Mandous
07:15 (IST)10 Dec 2022
🌧️ Cyclone Mandous brings heavy rainfall, squally winds

Cyclone Mandous made landfall in Mamallapuram, 30 km from Chennai, between 10.30 pm and 11.15 pm Friday night, resulting in heavy rainfall and squally winds in parts of coastal Tamil Nadu. The storm, which crossed the coast between Puducherry and Sriharihota with a wind speed of 75 kmph, wreaked havoc in Chennai, where trees were uprooted, electricity supply disrupted and several streets left waterlogged. The city has received 115.1 mm of rainfall in the 24 hours ending 5.30 am, the India Meteorological Department said.

07:05 (IST)10 Dec 2022
Chennai power cut today: These areas will face a power cut in Chennai

The Tamil Nadu Generation and Distribution Corporation (Tangedco) has announced that power will be suspended in parts of Chennai today in IT Corridor for carrying out maintenance work in the city.

Parts of Chennai will face a power shutdown from 9 am to 2 pm, with supply expected to resume before 2 pm if the work is completed. Read more

06:53 (IST)10 Dec 2022
Cyclone Mandous weakens into deep depression over Tamil Nadu coast

Cyclone Mandous made landfall in Mamallapuram, 30 kms from Chennai late Friday night, resulting in heavy rainfall in the city and parts of coastal Tamil Nadu. The cyclone weakened into a deep depression over Tamil Nadu coast, IMD said. Under the influence of the cyclonic storm’s passage into land, moderate to heavy rainfall, accompanied by gale wind was witnessed in several coastal regions. 

00:01 (IST)10 Dec 2022
Watch | Cyclone Mandous enters coastal Tamil Nadu at 23:15 pm

23:46 (IST)09 Dec 2022
Landfall process has commenced: IMD

As heavy rains lash Chennai, IMD, in its latest bulletin said, "Spiral cloud bands around the cyclone are entering the land. The system center is still in the sea. The landfall process has commenced."

23:33 (IST)09 Dec 2022
Cyclone Mandous begins to make landfall in Chennai: IMD

The India Meteorological Department (IMD), in its latest bulletin, said that Cyclone Mandous had begun making landfall in Chennai, had started to cross the coast, and would take nearly five hours for the process to complete.

23:28 (IST)09 Dec 2022
Watch | Heavy rains lash Chennai as Cyclone Mandous makes landfall
23:00 (IST)09 Dec 2022
Watch | Waterlogging in Pattinampakkam as heavy rains continue to lash Chennai
22:37 (IST)09 Dec 2022
Cyclone Mandous to make landfall near Mahabalipuram between tonight to tomorrow morning
22:30 (IST)09 Dec 2022
🌧️ Weather forecast for tomorrow

As Cyclone Mandous is likely to make landfall in Tamil Nadu tonight, here's the weather forecast for tomorrow.  The Indian Meteorological Department, in it's latest bulletin, said that rainfall is likely to reduce to light to moderate rains at most places with heavy to very heavy rainfall at isolated places over north interior Tamil Nadu and Rayalaseema and adjoining south Andhra Pradesh.

22:25 (IST)09 Dec 2022
Tamil Nadu CM MK Stalin reviews state emergency operations ahead of Cyclone Mandous

Tamil Nadu Chief Minister MK Stalin inspected the State Emergency Operation Centre of the Revenue and Disaster Management Department in Chennai, and monitored its functioning, as heavy rainfall lashes Chennai and parts of the state due to Cyclone Mandous. Stalin interacted with people accommodated at temporary relief centres to check whether they are provided with all necessary facilities.

Addressing the reporters, Stalin said that an IAS officer has been appointed for each district as monitoring officers and said, "No matter how much it rains, this government will be taking all possible measures to safeguard its people," Stalin said. He urged the public to cooperate with the government.

22:14 (IST)09 Dec 2022
3D visualization of rain bans of Cyclone Mandous approaching Tamil Nadu coast
22:12 (IST)09 Dec 2022
🌧️ Here's what you can do in Chennai this weekend

While it's raining heavily in Chennai due to the presence of Cyclone Mandous, here's what you can do in Chennai this weekend. (Note: Please check with organizers of the events before heading to the venue, due to heavy rain forecast in the city for the next two days)

Chennai is all set to welcome a range of standup comedy shows and other interesting events this week. Here is a list

22:10 (IST)09 Dec 2022
📣 In case of any flood-related grievances, contact these numbers

22:08 (IST)09 Dec 2022
Know Your City: The evolution of Chennai’s Margazhi festival – a season of classical music, dance and sabha-hopping

It is often said in jest that Chennai has only one season throughout the year — summer. There is, however, a short period between November and January when the city cools down a bit to a more pleasant weather. During this period, the city plays host to a unique festival called the Margazhi season of music and dance.

The Margazhi Kutcheri (concert in Tamil) is the annual performing arts season in Chennai when amateur and established artists across the globe visit the coastal capital of Tamil Nadu to take part in a celebration of music and dance for weeks. The festival is celebrated during the Margazhi month in the Tamil calendar which falls between mid-December and mid-January. Read more

22:00 (IST)09 Dec 2022
Cyclone Mandous lies 100km southeast of Chennai: IMD

The India Meteorological Department (IMD) on Friday said that Cyclone Mandous lay centres at 65 km southeast of Mamallapuram and 100km south-southeast of Chennai at around 8:30 pm IST.

21:52 (IST)09 Dec 2022
🌧️ What to read this rainy night: Chennai’s Rayar’s Mess – serving fresh, hot food for over 8 decades

While it's raining heavily in Chennai due to Cyclone Mandous, which is likely to make landfall tonight, here's a story on Chennai's famous Rayar Mess, which has been serving fresh and hot food for the last eight decades. Read this Know Your City story by our reporter Janardhan Koushik

21:36 (IST)09 Dec 2022
Dindigul Collector declares holiday for schools, colleges in Sirumalai and Kodaikanal tomorrow

In view of heavy rainfall predicts in Tamil Nadu caused by Cyclone Mandous, Dindigul Collector has declared a holiday for schools and colleges in Sirumalai and Kodaikanal on Saturday. 

21:16 (IST)09 Dec 2022
Cyclone Mandous: Vehicle movement temporarily suspended in ECR from 10 pm

As a precautionary measure as Cyclone Mandous is likely to make landfall in Chennai tonight, vehicle movement is temporarily suspended in ECR from 10 pm on Friday. An order by Chengalpettu Collector said that only vehicles for emergency services will be allowed. The restrictions will be removed after the cyclone weakens. 

21:02 (IST)09 Dec 2022
Watch | Heavy rainfall lashes Chennai caused by Cyclone Mandous
20:36 (IST)09 Dec 2022
In Picture | Satellite image of Cyclone Mandous

Satellite image taken between 06:00 pm to 06:26 pm IST shows the location of Cyclone Mandous, in the Bay of Bengal, Friday, Dec. 9, 2022. (PTI)

20:29 (IST)09 Dec 2022
Tamil Nadu CM MK Stalin reviews govt's precautionary measures ahead of Cyclone Mandous landfall

At the disaster management control room in Chennai, Chief Minister M K Stalin reviewed the preparedness by interacting with monitoring officers and officials in districts. The Chief Minister later told reporters that all appropriate steps have been taken to tackle the situation and protect the people. Chief Secretary V Irai Anbu chaired a meeting of senior officials and reviewed the preparatory measures.

20:15 (IST)09 Dec 2022
Cyclone Mandous lies 90 km from South East of Mamallapuram: RMC
19:55 (IST)09 Dec 2022
Cyclonic storm Mandous moves northwestwards towards Tamil Nadu, Puducherry

The India Meteorological Department (IMD), in its latest bulletin, said that Cyclone Mandous moved northwestwards with a speed of 14 kmph during past 06 hours and lay centered at 17:30 hours IST on Friday over Southwest Bay of Bengal off north Tamilnadu and Puducherry coasts near latitude 12.0°N and longitude 80.8°E, about 380 km north of Trincomalee (Sri Lanka), 280 km north-northeast of Jaffna (Sri Lanka), 90 km southeast of Mamallapuram and about 130 km south-southeast of Chennai. The cyclone is being monitored by Doppler Weather Radar Karaikal and Chennai, it said. 

"It is very likely to move nearly northwestwards and cross north Tamilnadu, Puducherry and adjoining south Andhra Pradesh coasts between Puducherry and Sriharikota around Mamallapuram (Mahabalipuram) as a cyclonic storm with a maximum sustained wind speed of 65-75 kmph gusting to 85 kmph during midnight of today, the 09th December to early hours of tomorrow, the 10th December," the bulletin said. 

19:53 (IST)09 Dec 2022
'Mandous': NDRF, SDRF teams deployed in south coastal districts of Andhra Pradesh

Ten teams of NDRF and Andhra Pradesh State Disaster Response Force have been deployed in south coastal districts of the State following heavy rainfall alert by the India Meteorological Department (IMD), a top official said on Friday.

According to the IMD, heavy rainfall is predicted over several parts of the State as cyclone 'Mandous' over the Bay of Bengal is expected to cross the coast between the Union Territory of Puducherry, and Sriharikota, Andhra Pradesh, tonight “As of now, there are no heavy rains. Collectors of the six districts which are expected to receive heavy rainfall due to the cyclone have been alerted and control rooms also been opened,” B.R Ambedkar, director of the State Disaster Management, told PTI.

“Five NDRF and another five SDRF teams have been kept ready. We are also ready to evacuate people in case of emergency,” he further said. Cyclone alert messages have been sent through common alert protocol (CAP) to as many as 89 lakh subscribers spread across the six districts which are likely to be affected due to heavy rains during December 8-10, according to official information. (PTI)

18:54 (IST)09 Dec 2022
Tamil Nadu govt holds emergency meeting ahead of Cyclone Mandous forecast

In view of Cyclone Mandous, which is set to make landfall in Tamil Nadu tonight, State's Revenue and Disaster Management Minister KKSSR Ramachandran, and other senior officials of the Disaster Management Department held a meeting on Friday at the State Emergency Operation Centre at Chepauk to discuss precautionary measures, news agency ANI reported. 

18:28 (IST)09 Dec 2022
Cyclone Mandous: 13 flights cancelled in Chennai, police step up preventive measures

The Chennai police have said they are working in coordination with the city corporation and the departments of fire and rescue and electricity to provide rescue and relief services in view of Cyclone Mandous even as 13 flights stood cancelled on Friday. According to the Indian Meteorological Department (IMD), the cyclonic storm, which had moved west-northwestwards over the Bay of Bengal with a speed of 12 kmph in the past six hours, has weakened. The cyclonic storm lay centred about 260 km south-southeast of Chennai.

“It is very likely to move nearly northwestwards and cross north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts between Puducherry and Sriharikota around Mamallapuram as a cyclonic storm with a maximum sustained speed of 65-75 kmph gusting to 85 kmph during midnight of December 9 to early hours of December 10,” an IMD bulletin read. Read more

18:09 (IST)09 Dec 2022
ICYMI | Cyclone Mandous approaching: Here is all you need to know

Tamil Nadu and neighbouring areas are bracing for heavy rainfall with cyclone Mandous expected to cross India’s coast between Puducherry and Sriharikota on the night of December 9, the India Meteorological Department (IMD) said Thursday. The well-marked low-pressure area over southeast Bay of Bengal intensified into a depression on December 6 and it further intensified into a “deep depression” and lay about 750 km off Chennai as of Wednesday.

In its bulletin issued on Thursday, the IMD said the cyclone “is expected to move west-northwest and cross north Tamil Nadu, Puducherry and adjoining South Andhra Pradesh coast between Puducherry and Sriharikota with a wind speed of 70 km per hour around midnight of December 9.” Read our explainer here

17:42 (IST)09 Dec 2022
In Pictures | Heavy rains in Puducherry damages houses near sea
Puducherry: Houses swept away by the sea waves due to cyclonic storm Mandous, in Puducherry, Friday, Dec. 9, 2022. (PTI Photo)

Cyclone Mandous: What is a cyclone?

A cyclone is a low pressure system that forms over warm waters. Essentially, it is a system of high speed winds rotating around a low-pressure area, with the winds blowing counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

According to the World Meteorological Organization, “Tropical cyclones are one of the biggest threats to life and property even in the formative stages of their development. They include a number of different hazards that can individually cause significant impacts on life and property, such as storm surge, flooding, extreme winds, tornadoes and lighting. Combined, these hazards interact with one another and substantially increase the potential for loss of life and material damage.”

How are cyclones named?

Cyclones that form in every ocean basin across the world are named by the regional specialised meteorological centres (RSMCs) and Tropical Cyclone Warning Centres (TCWCs). There are six RSMCs in the world, including the India Meteorological Department (IMD), and five TCWCs.

As an RSMC, the IMD names the cyclones developing over the north Indian Ocean, including the Bay of Bengal and Arabian Sea, after following a standard procedure. The IMD is also mandated to issue advisories to 12 other countries in the region on the development of cyclones and storms.

Which ocean in India sees more storms?

The months of October-November and May-June see storms of severe intensity develop in the North Indian Ocean — comprising the Bay of Bengal and the Arabian Sea — with an average of five developing in a calendar year. According to the IMD, of these five storms, four are in the Bay of Bengal and one in Arabian Sea.

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First uploaded on: 07-12-2022 at 08:59 IST
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