Cyclone Nivar

Red warnings were put in place for northern Sri Lanka, with the threat of heavy rainfall in the region.[3]

On 24 November, six National Disaster Response Force (NDRF) teams have been posted to Cuddalore and two teams will be deployed in Chennai. Tamil Nadu government suspended bus services until further orders in seven districts of Thiruvarur, Nagapattinam, Pudukkottai, Thanjavur, Viluppuram, Chengalpattu and Cuddalore.[4] During a review meeting, Former Chief Minister of Tamil Nadu, K. Palaniswami asked his cabinet members and officials to remain completely vigilant and take necessary precautions ahead of the Cyclone. Officials were also directed to ensure that people in vulnerable areas were evacuated.[5] Measures were taken by the Tamil Nadu government to store dry rations and fuel for the people after the cyclone's impact.[6] The Tamil Nadu government declared a statewide holiday on 25 November.[7] The Tamil Nadu state government reported that more than 100,000 people were evacuated and were sheltered in 1000 relief centers.[8]

The District magistrate of the Nellore district of Andhra Pradesh reported that 3,363 people were sheltered in 115 relief camps.[9]

On 26 November, the IMD issued yellow alert in several parts of Karnataka including Bengaluru.[10]

Showers and thunderstorms associated with Nivar impacted parts of Sri Lanka as the system moved inland on 26 November.[11]

The cyclone brought heavy to very heavy rains over north coastal Tamil Nadu starting 23 November 2020. Chennai received continuous downpours on 23,24,25 November 2020 with IMD Chennai recording 163mm ending 25 November 8:30 AM IST. Chennai and other parts of North TN saw gusty winds touching 60-70kmph on 24,25 November. Several roads were closed in the area of the Greater Chennai Corporation were closed due to waterlogging.[12] Due to intense rainfall, Chembarambakkam Lake released water for the first time after five years.[13] Many areas including Madipakkam, Velachery, Adambakkam and suburbs around Tambaram and low-lying regions along the river Adyar were flooded. Rainwater entering houses was also seen in some places in the western suburbs.[14] The Greater Chennai Corporation removed uprooted trees from 223 roads. The estimates of Chennai civic officials reported that flood water entered around 40,000 homes within the borders of the corporation.[15] Five people were reported dead in Tamil Nadu.

Trees were uprooted, electric poles were damaged and several areas were flooded as of 26 November.[16] The Chief Minister of Puducherry V. Narayanasamy reported that the initial loss in agriculture and other sectors was estimated at ₹4 billion (US$54.2 million).[17]

Eight people were reported dead in Andhra Pradesh. The rainfalls made significant impact on the districts of Chittoor, Prakasam, Kadapa and Nellore, 112000 people were affected, 2,294 houses/huts were damaged, 6,133 homes were left stranded, 2,618 small animals, 88 large animals and 8,130 poultry birds were reported dead based on a preliminary evaluation.[18] In Nellore district, Paddy seedlings in 2500 hectares drowned and in Prakasam district, standing crops in 34,000 hectares were damaged.[19] Loss of APSPDCL was amounted to be ₹50.7 million (US$687,000).[20]