New Delhi, Nov 10: The Andaman and Nicobar Islands are likely to experience widespread rainfall and isolated heavy showers through November 14, accompanied by thunderstorms, lightning and gusty winds, as the India Meteorological Department (IMD) tracks a developing low-pressure system over the Southeast Bay of Bengal. The system is expected to form around November 13 and move northwestwards, potentially affecting weather conditions across eastern and southern parts of the country in the following days.
In its latest forecast issued on November 10, the IMD said the islands could receive fairly widespread to widespread rainfall throughout the week, with isolated heavy rain expected between November 10 and 14. Thunderstorms accompanied by lightning and gusty winds are also likely during this period.
The weather system over the Bay of Bengal is expected to intensify into a well-marked low-pressure area within 24 hours of its formation. Its movement northwestwards could influence rainfall patterns over parts of eastern and southern India.
The forecast also points to unsettled weather across the southern peninsula. Tamil Nadu, Puducherry and Karaikal are likely to receive isolated to scattered rainfall from November 10 to 14, with another spell expected on November 16. Kerala and Mahe are likely to experience rain from November 10 to 15, while Lakshadweep may receive rainfall through November 16.
The IMD has forecast isolated heavy rainfall over Tamil Nadu, Puducherry and Karaikal on November 10 and 11, and again on November 15 and 16. Kerala and Mahe may also receive heavy rain on November 16. Thunderstorms, lightning and gusty winds reaching 40–50 kmph, with gusts up to 60 kmph, are expected over Tamil Nadu during November 10–12 and November 15–16.
Coastal Karnataka, South Interior Karnataka, Coastal Andhra Pradesh and Yanam, and Rayalaseema are also likely to receive isolated to scattered rainfall during the latter part of the week. The department has forecast fairly widespread to widespread rainfall over Tamil Nadu, Puducherry and Karaikal on November 15, followed by similar conditions over Kerala and Mahe on November 16.
In the Western Himalayan Region, a Western Disturbance is expected to bring scattered to fairly widespread rain and snowfall until November 13. Jammu and Kashmir, Ladakh, Gilgit-Baltistan and Muzaffarabad are likely to receive fairly widespread to widespread rain and snow on November 12 and 13, with isolated heavy precipitation forecast over the Kashmir Valley on November 12.
The region may also receive isolated to scattered rainfall on November 10 and 11, and again from November 14 to 16. Himachal Pradesh and Uttarakhand are expected to experience light to moderate rainfall at isolated places.
Northeast India may receive isolated to scattered rainfall over Arunachal Pradesh, Assam, Meghalaya and other northeastern states until November 12. Isolated heavy rain and moderate to intense lightning are forecast over parts of Meghalaya, Mizoram and Tripura on November 10 and 11.
The IMD has forecast no significant weather activity over West and Central India during the week.
