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Water Level In Mumbai Lakes Nears Full Capacity; IMD Issues RED Alert For Mumbai And Thane

IMD has warned of extremely heavy rainfall and thunderstorms with lightning and gusty winds at isolated places in Mumbai city and suburbs on Thursday, September 25.

<div class="paragraphs"><p>The collective water stock&nbsp;in the reservoirs is now at 14,36,657 million litres till 6:00 am on September 25 (Source: Screengrab from the video posted on X by BMC)</p></div>
The collective water stock in the reservoirs is now at 14,36,657 million litres till 6:00 am on September 25 (Source: Screengrab from the video posted on X by BMC)

The seven lakes that provide drinking water to Mumbai have breached the 99% mark, according to the data shared by the Brihanmumbai Municipal Corporation on Wednesday.  

The collective water stock in the reservoirs is now at 14,36,657 million litres till 6:00 am on September 25, equivalent to 99.26% of useful content of storage. Mumbai receives more than 3,800 MLD (millions of litres per day) of water from seven reservoirs namely, Bhatsa, Upper Vaitarna, Middle Vaitarna, Tansa, Modak Sagar, Vihar and Tulsi, located in Mumbai, Thane and Nashik districts.

According to the latest data from the Mumbai civic body, the useful water stock in Upper Vaitarna is 99.58%, while at Tansa, 98.85% of the water stock is available.

The water stock in Middle Vaitrana is 98.93%, and Modak Sagar is 95.35% full. The water level in Bhatsa, Tulsi and Vihar lakes is at 100%.

Water levels in the lakes catering to Mumbai have seen a rise due to the prevailing thunderstorms and heavy rainfall in the catchment areas over the past few days.

The seven reservoirs -- Bhatsa, Upper Vaitarna, Middle Vaitarna, Tansa, Modak Sagar, Vihar and Tulsi -- have 14,36,657 million litres of water against the full capacity which is around 14.47 lakh million litres.

Water Level in Mumbai Lakes In September

Since September 1, there has been an increase of around 2.5% in the water levels in the lakes catering to Mumbai and its suburbs.

Mumbai Weather Update

As per the latest weather forecast shared by the Met Department of Mumbai, extremely heavy rainfall & thunderstorms with lightning and gusty winds are very likely at isolated places in Mumbai city and suburbs on Wednesday, September 25.

The Regional Met Centre (RMC) Mumbai stated that the expected change in climate is due to the interaction between the mid-level easterlies and the dry north-westerlies at lower levels.

IMD Issues Red Alert For Mumbai

In its latest forecast and warnings report at 5:30 p.m. on Wednesday, RMC Mumbai revised the earlier orange alert to a red alert for Mumbai and Thane on the possibility of extremely heavy rainfall & thunderstorms at isolated places on Wednesday, September 25.

The weather agency has also issued an red alert for Raigad, Ratnagiri and Pune. Orange alert has been issued for Sindhudurg, Nasik and other districts of Maharashtra with the possibility of thunderstorms and very heavy rainfall at isolated places on September 25.

Check the district-wise updated forecast below.

weather forecast Sept 25.pdf

Long Range Weather forecast by IMD

As per the extended range forecast shared by IMD, here are the weather forecast and warnings for different regions of India.

Northwest India & West India

Isolated heavy rainfall is very likely over Madhya Maharashtra, Konkan & Goa until September 27. Heavy rainfall is also expected in the Gujarat Region from September 25 to 27.

Central India

Light to moderate rainfall is very likely over Central India during the week. Isolated heavy rainfall is very likely over East Madhya Pradesh, Chhattisgarh, West Madhya Pradesh and Vidarbha on September 25.

East & Northeast India

Light to moderate rainfall is likely over Andaman & Nicobar Islands and the remaining East India & Northeast India during the week. Isolated heavy rainfall is very likely over Nagaland, Manipur, Mizoram, Tripura, Arunachal Pradesh, Assam and Meghalaya on September 25.

South Peninsular India

Heavy rainfall is also expected in Telangana and Rayalaseema on September 25. Above-normal Maximum temperature is very likely over Tamil Nadu, Puducherry & Karaikal, Kerala & Mahe during the next 2 days.