Monsoon Revives Over Maharashtra, Including Mumbai; Heavy Rain Likely Until July 6
Representational Image: AI-Skymet
Key Takeaways:
- The Southwest Monsoon has revived over Maharashtra, including Mumbai, after a brief weak phase.
- Moderate to heavy rainfall is expected across Mumbai, Thane, and Navi Mumbai until July 5 or 6.
- Santacruz recorded 103 mm rainfall in the last 24 hours, signalling active monsoon conditions.
- A low-pressure area moving towards Konkan and Goa may intensify rainfall around July 5 and 6.
- Forecast Validity: Next 4 to 5 days.
The Southwest Monsoon has regained strength over Maharashtra, including Mumbai, after a brief lull in rainfall activity. Following a delayed onset and an impressive start, the monsoon had weakened for a few days, resulting in mostly dry weather with only isolated showers. However, the monsoon has now become active once again, bringing widespread rain along the entire West Coast, from Maharashtra to Coastal Karnataka and Kerala.
Mumbai witnessed the arrival of the monsoon on June 23, nearly 13 days later than its normal onset date. Despite the delay, the city experienced an exceptional beginning to the rainy season. The Santacruz observatory recorded a remarkable 225 mm of rainfall, while the Colaba observatory received an even higher 248 mm during the first spell of monsoon showers.
After this spectacular start, rainfall activity diminished considerably, allowing only occasional showers over the city. The revival of the monsoon is now being driven by strengthening westerly winds and favourable atmospheric conditions along the west coast.
During the last 24 hours, rainfall activity has increased once again. Colaba recorded 30 mm of rain, while Santacruz received 103 mm, indicating that the monsoon has become active over Mumbai and its suburbs.
We expect moderate to heavy showers to continue across Mumbai, Thane, Navi Mumbai, and adjoining areas until at least July 5 or 6. Persistent cloud cover and regular rainfall will keep daytime temperatures below normal, making the weather pleasant. However, spells of intense rain may trigger waterlogging, flash floods in low-lying areas, traffic congestion, and disruptions to daily life.
The renewed rainfall comes as a major relief for Mumbai, which had been facing concerns over water availability. The prolonged dry spell after the monsoon onset had slowed the replenishment of the city's reservoirs, forcing authorities to impose water supply rationing in several areas. The upcoming widespread rainfall is expected to significantly improve reservoir storage levels and ease water scarcity.
July and August are climatologically the wettest months for Mumbai. During this period, the city often experiences one or two episodes of extremely heavy rainfall that lead to widespread flooding and severe traffic disruptions. Similar conditions may develop around July 5 and 6 as a low-pressure area is expected to move from South Madhya Pradesh towards North Konkan and Goa, enhancing rainfall activity over the Mumbai Metropolitan Region.
Residents are advised to remain updated with the latest weather forecasts and exercise caution while travelling during periods of heavy rainfall. We at Skymet are closely monitoring the evolving weather system and will continue to provide timely updates as the situation develops.
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