India is likely to witness another active spell of monsoon rainfall as a low-pressure area moves west-northwestwards, carrying moisture towards central and western parts of the country.
A low-pressure area can be thought of as a natural rain-maker, as it draws in moisture-laden air, helps it rise and cool, and creates clouds that eventually release rain.
The current system formed over the northwest and west-central Bay of Bengal, near the coasts of south Odisha and north Andhra Pradesh. It is now expected to move west-northwestwards, carrying moisture deeper into the country and affecting weather across central and western regions.
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This comes as the southwest monsoon enters its later phase. During this period, low-pressure systems moving inland can still trigger strong spells of rain before the monsoon begins its withdrawal.
According to the India Meteorological Department (IMD), the system was located over southwest Madhya Pradesh and adjoining north Vidarbha at 8.30 am on September 13. It is likely to move west-northwestwards across southeast Rajasthan and adjoining north Gujarat during the next 24 hours.
The system is expected to trigger rainfall across several states, with heavy to extremely heavy showers forecast in parts of Gujarat and Maharashtra.
The IMD has forecast widespread rainfall over Gujarat, Saurashtra and Kutch from September 13 to 15.
Isolated extremely heavy rainfall is likely over Gujarat on September 13. Very heavy rain is forecast over Gujarat on September 14, while Saurashtra and Kutch may receive very heavy showers on September 13 and 14.
The weather system is expected to bring intense rainfall over parts of Gujarat as it moves west-northwestwards. The IMD has also warned of thunderstorms, lightning and gusty winds in several areas.
The rainfall comes as parts of Gujarat, particularly Saurashtra and Kutch, have experienced a rain deficit. The fresh spell is likely to bring relief to some areas, although intense short-duration showers may also lead to waterlogging and localised flooding.
In Maharashtra, the IMD has forecast widespread rainfall over Konkan and Goa, Madhya Maharashtra and Marathwada on September 13.
Isolated heavy rain is likely over Marathwada on September 13 and Madhya Maharashtra on September 14. Very heavy rainfall is also expected over Konkan and Goa on September 13, while north Madhya Maharashtra may receive extremely heavy rain on the same day.
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Mumbai and neighbouring areas are likely to experience heavy showers, thunderstorms and gusty winds during the spell. The IMD has issued a yellow alert for Mumbai and surrounding districts, including Thane, Palghar and Raigad, amid the possibility of intense rainfall and strong winds.
