India, Sept. 15 -- Overnight heavy rains and waterlogging crippled Mumbai on Monday as the India Meteorological Department (IMD) placed Mumbai under high alert for very heavy rainfall with gusty winds and thunderstorms.

IMD upgraded its alert to orange from yellow at 7am, which will continue till 8:30am on Tuesday. Heavy to very heavy rainfall and thunderstorms with gusty winds at isolated places is expected in Mumbai, Palghar, Thane, Raigad and Ratnagiri, according to the forecast.

According to IMD, southwest monsoon conditions were very active over Marathwada, North Konkan and Madhya Maharashtra, normal over South Konkan and weak over Gujarat.

In the 24-hour period till 8:30am on Monday, the city logged 134.4 mm of rain at the Colaba...