IMD sees all-India rain below normal through September 23
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IMD sees all-India rain below normal through September 23

The Hindu BusinessLine··18 Sept

The India Meteorological Department said all-India rainfall is expected to remain below normal during September 17-23. A fresh Bay of Bengal low is expected around Saturday and may intensify into a monsoon depression. East, Central and Peninsular India could see normal to above-normal rain during September 24-30. Monsoon withdrawal from parts of West Rajasthan may begin around Saturday, IMD said.

Prism

What It Means For You

  • Tamil Nadu, Puducherry and Karaikal are forecast isolated heavy rain for seven days from Friday.
  • Kerala, Mahe and Rayalaseema could see similar spells for three days, IMD said.
  • Telangana has a five-day heavy-rain window from Sunday under the current outlook.

What's Happening

  • IMD expects the Bay low to form around Saturday, at least two steps short of cyclone status.
  • Models differ on a west-north-west track toward south Odisha-north Andhra Pradesh versus a more north-easterly path.
  • Sea-surface temperatures around 29°C were indicated on Friday over the Bay.

How the Transition Week Looks

  • A remnant circulation may later move toward North Chhattisgarh, East Uttar Pradesh and adjoining Bihar during September 24-30.
  • A western disturbance over Jammu adds another rain factor for North-West India.
  • The monsoon trough still runs through Phalodi, Ajmer, Guna, Satna, Jamshedpur and Digha into the Bay.
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