A Western Disturbance will affect Western Himalayan Region on 13th & 14th and another will affect northwest India from 17th February, 2022.
The Western Disturbance as a trough in middle & upper tropospheric westerlies runs along Long. 82°E to the north of Lat. 27°N and a trough runs from Bihar to North Interior Karnataka in lower tropospheric levels; it is very likely to cause:
1. Isolated to scattered light/moderate rainfall with thunderstorm & lightning very likely over Sub-Himalayan West Bengal-Sikkim during next 2 days and over Jharkhand, Bihar, Gangetic West Bengal & Odisha on 10th February, 2022.
2. Scattered to fairly widespread rainfall with thunderstorm & lightning very likely over Arunachal Pradesh and Assam & Meghalaya during next 2 days. Isolated hailstorm also likely over Assam & Meghalaya on 11th February, 2022.
3. Strong winds (speed 25-35 kmph) very likely over Punjab, Haryana and West Uttar Pradesh during next 2 days.
Isolated to scattered rainfall very likely over Tamilnadu, Puducherry & Karaikal, Kerala & Mahe and Lakshadweep during next 5 days. Isolated thunderstorm accompanied with lightning also likely over Tamilnadu, Puducherry & Karaikal, Kerala & Mahe during next 3
days.
Under the influence of fresh feeble Western Disturbance; isolated to scattered light rainfall/snowfall very likely over Jammu, Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Himachal Pradesh and Uttarakhand on 13th & 14th February, 2022.
Under the influence of another Western Disturbance; scattered to fairly widespread light rainfall/snowfall very likely over Western Himalayan Region and light isolated to scattered over plains of northwest India from 17th to 21st February, 2022.