India's southwest monsoon is expected to remain active over the coming days as a fresh low-pressure area is likely to develop over the northwest Bay of Bengal, potentially triggering another spell of widespread rainfall across eastern and central India.
According to the latest weather outlook, the developing system could strengthen the monsoon circulation, drawing moisture inland and increasing rainfall activity over several states beginning August 12.
Heavy Rain Alert for Odisha
Odisha is expected to receive the first impact of the weather system.
Meteorologists have forecast isolated heavy to very heavy rainfall between August 12 and August 13, with some districts likely to witness intense downpours.
Authorities have advised residents in vulnerable areas to remain alert as heavy rain could lead to:
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Waterlogging in urban areas
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Localised flooding
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Rising river levels
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Traffic disruptions
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Landslide risks in hilly regions
Why the Bay of Bengal Matters During Monsoon
The Bay of Bengal plays a crucial role in India's southwest monsoon.
Warm sea surface temperatures frequently generate low-pressure systems, which transport enormous amounts of moisture toward the Indian subcontinent.
As these weather systems move inland, they often bring prolonged rainfall across:
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Odisha
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Chhattisgarh
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Jharkhand
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Madhya Pradesh
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West Bengal
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Eastern Uttar Pradesh
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Parts of central India
The latest system is expected to follow a similar pattern, helping sustain rainfall across large parts of the country.
Active Monsoon Trough Supporting Rainfall
Weather experts also noted that the monsoon trough remains active and positioned south of its normal location.
An active monsoon trough creates favourable conditions for cloud formation and moisture convergence, significantly enhancing rainfall activity across eastern and central India.
This combination of an active trough and a fresh Bay of Bengal low-pressure system could keep monsoon conditions favourable over the next several days.
More Rain Expected Across Eastern and Central India
As the weather system strengthens, satellite imagery is expected to show increasing cloud cover over the Bay of Bengal and adjoining eastern India.
The eventual intensity and track of the low-pressure area will determine which regions receive the heaviest rainfall, but current forecasts suggest widespread showers across several states.
Meteorologists continue to monitor the system closely as it develops over the Bay.
Residents Advised to Stay Updated
People living in rain-prone regions are advised to monitor official weather updates and local advisories.
Heavy rainfall can lead to temporary flooding, transportation delays, and disruptions to daily life, especially in low-lying areas.
With another rain-bearing system forming over the Bay of Bengal, the southwest monsoon appears set to remain active across much of eastern and central India during the coming week.
Frequently Asked Questions (FAQs)
Why is a low-pressure area important for the monsoon?
Low-pressure systems over the Bay of Bengal pull moisture from the sea toward land, strengthening monsoon rainfall across eastern, central, and northern India.
Which states are likely to receive heavy rainfall?
Odisha is expected to be affected first, followed by parts of Chhattisgarh, Jharkhand, Madhya Pradesh, West Bengal, and adjoining central Indian states.
Is the monsoon weakening?
No. Current weather conditions suggest the southwest monsoon remains active, supported by a fresh low-pressure system over the Bay of Bengal.
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