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Bay of Bengal Low-Pressure System Set To Deepen as Mumbai Flood Risk Grows

Authorities have deployed NDRF teams; emergency travel advisories remain in effect, with reservoir stocks nearing capacity raising concerns over potential dam releases that could inundate low-lying areas.

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So far, heavy rainfall activity was concentrated over the Western Himalayas and the foothills, particularly Himachal Pradesh, Uttarakhand and Uttar Pradesh.

Overview

  • IMD forecasts the Bay of Bengal low-pressure area will deepen into a depression within 24 hours, driving widespread heavy to extremely heavy rainfall across central India and the Konkan coast through August 20.
  • Mumbai has endured its third straight day of intense downpours, with local gauges logging up to 200 mm; the Western Express Highway and other major roads remain choked by waterlogging.
  • Reservoirs supplying the city have filled to about 90–91% capacity; this eases water scarcity, raising concerns over controlled dam releases that could inundate downstream areas.
  • The IMD has extended orange and red alerts for Mumbai and multiple Konkan districts until Tuesday, warning of isolated extremely heavy showers and gusty winds.
  • Three NDRF teams have been deployed in Mumbai; municipal pumps are operating in flood-prone areas, with travel advisories issued to alert commuters.