Here’s the weather outlook for India:

Wednesday (October 19)

  • Heavy to very heavy rains at isolated places are on the cards over Mahe and Kerala.
  • Heavy rainfall at isolated places is likely over Andaman and Nicobar Islands, Tamil Nadu, Karaikal, Puducherry and Lakshadweep.
  • Thunderstorms with lightning are possible over parts of Maharashtra, Konkan, Goa, coastal Andhra Pradesh, Yanam, Rayalaseema, Karnataka, Tamil Nadu, Karaikal, Puducherry, Lakshadweep, Mahe and Kerala.
  • Scattered thunderstorms are forecast in the Jammu region of Jammu & Kashmir.
  • Heavy snow is possible in the northwestern mountains of Jammu & Kashmir in the afternoon.
  • Jharkhand and Chhattisgarh are expected to experience fog early in the morning.

Thursday (October 20)

  • Heavy to very heavy rains at isolated places are very likely over Mahe and Kerala.
  • Heavy rainfall at isolated places is on the cards over Andaman and Nicobar Islands, South Interior Karnataka, Tamil Nadu, Karaikal, Puducherry and Lakshadweep.
  • Thunderstorms accompanied by lightning are probable over coastal Andhra Pradesh, Yanam, Rayalaseema, Tamil Nadu, Karaikal, Puducherry, Lakshadweep, Mahe and Kerala.
  • Stray thunder is forecast over the Jammu region of Jammu & Kashmir and northern Punjab.
  • Heavy snowfall is possible in the northwestern mountains of Jammu & Kashmir until Thursday night.
  • Fog in several parts of Bihar is expected early in the morning.

5-day nationwide forecast

3-day rainfall accumulation from Wednesday to Saturday morning (TWC Met Team)

3-day rainfall accumulation from Wednesday to Saturday morning

(TWC Met Team)

Western disturbances are likely to bring significant snow in high-altitude mountains and thunderstorms in lower mountains and the northwestern plains of northern India from Wednesday afternoon until late Thursday night.

The northern limit of the southwest monsoon is currently positioned in the middle of the Indian sub-continent. Therefore, the weather is likely to remain dry in the north of the sub-continent, while the southern half will experience wet weather.

Meanwhile, heavy downpours have been forecast over northeastern Andhra Pradesh and the mouth of the Ganga after Sunday evening.

A cyclonic circulation near the latitudinal zone of Andaman and Nicobar Islands in the Bay of Bengal is expected to develop into a depression around the early hours of Friday morning and travel towards the sub-continent.

The system could further develop into a deep depression or cyclonic storm and is likely to make landfall on the mouth of the Ganga during the first half of the upcoming week. Due to hot and humid onshore winds, caution is advised during heavy rains before the above system approaches.

Under the influence of the above system, fairly widespread to widespread rainfall and isolated heavy falls with thunderstorms and lightning are forecast over Tamil Nadu, Karaikal, Puducherry, Mahe, Kerala and Lakshadweep from Wednesday until Sunday. Similar conditions are expected to prevail over south interior Karnataka on Thursday and Friday.

Isolated very heavy rainfall is also very likely over Mahe and Kerala on Wednesday and Thursday.

Widespread light to moderate rainfall with isolated heavy falls is on the cards over Andaman and Nicobar Islands till Friday, October 21.

Further, isolated light rainfall or snowfall is possible over the western Himalayan region during the next two days.

Dry weather conditions are expected to prevail over most parts of northwest and central India

As for the mercury levels, both day-time and night-time temperatures are forecast to be extreme or relatively higher than usual over much of the Trans-Himalayan and western Himalayan region, at least until the end of this month.

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