Cyclone Ditwah Impact on India

Key Facts & Updates: Cyclone Ditwah and Weather Impact in Tamil Nadu & Sri Lanka

Cyclone and Weather Forecast

• Cyclone Ditwah:
  • Currently centered over coastal Sri Lanka and the southwest Bay of Bengal.
  • Estimated to reach the coast of Tamil Nadu, Puducherry, and southern Andhra Pradesh by early morning, November 30, 2025.
  • Movement noted at a speed of 7 km/h, heading north-northwest.

Weather Alerts

• Forecast:
  • Light to moderate rainfall expected across Tamil Nadu.
  • Red alert issued for specific districts: Cuddalore, Mayiladuthurai, Villupuram, Chengalpattu, and Puducherry, indicating the potential for extremely heavy rainfall.

Impact on Sri Lanka

• Casualties and Damage:
  • Nearly 100 fatalities and numerous missing persons reported due to rains and landslides associated with Cyclone Ditwah.
  • Over 60,000 families (~200,000 individuals) affected across 20 out of 25 districts.
  • “Red alert” issued following unprecedented rainfall resulting in severe flooding and landslides.

Government Response

• School Holidays:
  • Holidays declared for schools in Thanjavur, Ariyalur, Perambalur, Pudukottai, Nagapattinam, Tiruvarur, and Mayiladuthurai districts in Tamil Nadu due to the severe weather warnings.

Water Management

• Reservoir Discharge:
  • Increased water discharge from Chennai’s major reservoirs to manage excess rainfall:
    • Poondi: 2,500 cusecs
    • Cholavaram: 400 cusecs
    • Chembarambakkam: 1,200 cusecs
    • Red Hills: 1,000 cusecs

International Coordination

• Humanitarian Aid:
  • India has dispatched humanitarian aid to Sri Lanka in response to the severe weather conditions affecting the country.

Environmental Considerations

• Disaster Management:
  • The situation underscores the necessity for effective disaster preparedness measures, sustainable water management systems, and robust response strategies to mitigate the impact of climate-induced natural disasters.

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These updates emphasize the critical interplay between weather phenomena, humanitarian responses, and local governance in managing natural disasters, reflecting both immediate crisis management and longer-term planning needs within the constitutional and governance framework.