Heavy rainfall predicted across Mumbai and Southern States


India Meteorological Department (IMD) predicted the well-marked low-pressure area over north Odisha and adjoining Gangetic West Bengal along with associated cyclonic circulation is extending up to upper tropospheric levels tilting southwestwards with height persists. It is very likely to move west-northwest and weaken gradually during the next 2 days.


Realized Surface Winds over Mumbai: Winds of 60-70kmph have been reported over Colaba. The wind speed also increased up to 107kmph in gustiness during 1700-1715 hrs IST today over Colaba.

Forecast and Warning for Mumbai and neighbourhood

Strong winds with speed reaching 70 Kmph along and off the Mumbai and adjoining Konkan coast likely to continue till 6th morning and gradually reduce thereafter. Extremely heavy rainfalls are also likely to continue over Mumbai tonight and reduce from tomorrow August 7.

A trough runs from south Gujarat to the cyclonic circulation associated with the well-marked low-pressure area at mid & upper tropospheric levels. A cyclonic circulation lies over south Gujarat & neighbourhood at lower tropospheric levels.

Warning for the Southern States

♦ A low-pressure area is likely to develop over west-central & adjoining north Bay of Bengal around August 9, 2020.

♦ Strong southwesterly/westerly monsoonal flow over the Arabian sea with winds speed reaching up to 50-60kmph along & off the west coast at lower tropospheric levels very likely to continue to prevail during the next 2 days.

  • Widespread rainfall (except Tamilnadu where isolated to scattered rainfall is likely ) with isolated heavy to very heavy falls also likely over Tamilnadu, Kerala and South Interior & Coastal Karnataka during next 4-5 days. Isolated extremely heavy falls likely over Coastal Karnataka on 05th, 08th, 09th August, over South interior Karnataka on 05th August; over Tamilnadu on 05th, 06th, 08th & 09th August; over Kerala &Mahe during 05-09th August 2020.

Moderate to a severe thunderstorm with lightning

  • very likely at isolated places over south Punjab, Haryana, Chandigarh & Delhi, Uttar Pradesh, East Rajasthan, Gujarat state, Madhya Pradesh, Bihar, Jharkhand, Chhattisgarh and Gangetic West Bengal.