Archive · 21 Sep 2026
IMD Warns Heavy Rain as Bay System Intensifies
A weather system is growing over the Bay of Bengal.
It may become a depression and move toward the coasts of Odisha and Andhra Pradesh.
These areas could receive very heavy rain, and some places could receive extremely heavy rain.
Strong winds will make the sea dangerous for boats.
Several eastern, central and southern states may also get rain and thunderstorms.
Chhattisgarh, Telangana and Vidarbha are among the areas facing heavy rainfall risks.
Delhi-NCR may get thunderstorms and lightning around September 25-26, although the forecast gives more specific rain warnings for Uttar Pradesh.
The India Meteorological Department says flooding, waterlogging, landslides and travel disruptions are possible.
A low-pressure area over the Bay of Bengal is expected to intensify into a depression on September 21 and a deep depression on September 22.
The system is likely to move toward the north Andhra Pradesh–south Odisha coast around September 23.
Odisha and coastal Andhra Pradesh face heavy to very heavy rain, with isolated extremely heavy rainfall possible on September 23-24.
Strong winds, squalls and worsening sea conditions are forecast over the Bay of Bengal and nearby coasts through September 24.
Delhi, Haryana, Chandigarh and Uttar Pradesh could see thunderstorms and lightning on September 25-26, while rain is expected later over parts of Uttar Pradesh.
- Who
- The India Meteorological Department and residents, travelers and coastal communities in affected states.
- What
- A Bay of Bengal low-pressure system is expected to strengthen into a depression and bring heavy rain, thunderstorms and strong winds.
- When
- The system is forecast to intensify from September 21-22, approach the coast around September 23, and affect several regions through September 26.
- Where
- The main impacts are expected over Odisha, Andhra Pradesh, Chhattisgarh, Telangana, Vidarbha and other eastern, central and southern areas; Delhi-NCR may see thunderstorms later.
- Why
- The intensifying weather system is expected to produce heavy rainfall, strong winds, rough seas and associated hazards.
- System status
- A low-pressure area was over the eastcentral Bay of Bengal at 5:30 pm on September 20.
- Expected development
- It is expected to become a depression on September 21 and a deep depression on September 22.
- Likely track
- The system may move toward the north Andhra Pradesh–south Odisha coast around the morning of September 23.
- Heaviest rain
- Coastal Andhra Pradesh and Odisha may receive heavy to very heavy rain, with isolated extremely heavy rain on September 23-24.
- Peak wind risk
- Winds over parts of the Bay of Bengal may reach 55-65 kmph, gusting to 75 kmph, on September 23.
- Delhi-NCR outlook
- Thunderstorms and lightning are possible over Delhi, Haryana and Chandigarh on September 25-26.
- Potential hazards
- The India Meteorological Department warned of waterlogging, flooding, landslides, damaged trees and disruptions to road and rail traffic.