The low-pressure area formed over the north Bay of Bengal and neighborhood under the influence of Monday's cyclonic circulation over the same region, according to a release.
The India Meteorological Department (IMD) on Monday issued a weather warning for north Indian states forecasting heavy to very heavy rain till July 29.
The alert was issued for the next 24 hours for the districts of Raigad, Ratnagiri, and Sindhudurg in coastal Konkan and also for Pune, Satara, and Kolhapur in Western Maharashtra.
The India Meteorological Department (IMD) on Sunday issued a yellow alert for Madhya Pradesh as per which isolated places in 11 districts, including Rewa and Damoh, are likely to receive heavy rainfall.
Expected weather conditions may trigger landslides on national and state highways, inundations in a low-lying area, high discharge in-stream and nullahs, besides disruption of traffic and other electrical and communication channels, it warned.
The IMD said rainfall activity is very likely to increase with fairly widespread to widespread rainfall with heavy to very heavy falls over the western Himalayan region and Uttar Pradesh from July 17 to 20.
The southern parts of the city received more rainfall than the north, leaving streets and alleys waterlogged in Ballygunge Circular Road, Loudon Street and Southern Avenue.
The Union Territory of Chandigarh, which is the common capital of Punjab and Haryana, received 20.6 mm rainfall, while its adjoining areas, including Mohali and Panchkula, also received showers, the weather office said.
Four teams have been based in Ratnagiri, two each in Mumbai, Sindhudurg, Palghar, Raigad, Thane and one in Kurla (east Mumbai suburb), NDRF Director General S N Pradhan said in a tweet.
Maharashtra Chief Minister Uddhav Thackeray on Monday directed the state administration to stay alert and be prepared to tackle any eventuality in the wake of the forecast of heavy rains in Mumbai and other coastal areas of the state during this week.
The Karnataka State Natural Disaster Monitoring Centre (KSNDMC) on Saturday issued yellow alert for 16 districts, including Bengaluru
The districts of Alappuzha, Kottayam, Ernakulam, Idukki, Thrissur, Malappuram, Kozhikode, Wayanad, Kannur and Kasaragod districts have been issued yellow alert.
A red-colour coded weather alert has been issued for Assam and Meghalaya from May 26-28, the India Meteorological Department (IMD) said on Tuesday, predicting very heavy rainfall in these two northeastern states.
The storm might cause damage to kutcha houses, power and communication lines and roads in parts of the state, Regional Met Director G K Das said, advising people in vulnerable areas to stay indoors
The Met department's Mumbai Centre issued the advisory for Konkan, Goa and coastal Karnataka after the signs of intensification of cyclonic circulation in the Arabian Sea
A red alert has been issued for three districts on Tuesday as extremely heavy rains are expected in central Kerala as the flood-hit northern parts were slowly limping back to normalcy and the toll climbed to 88.
The India Meteorological Department said, "The situation of a cyclone is going on in Mumbai, which will cause heavy rains in the city. There have been no rains in the city in the last two-three days but circumstances are changing. There will be more rain in the coming days.
The alert, also sounded in Uttarakhand and West Bengal, also advises fishermen to not venture in central Arabian sea, the NDMA said today.