The monsoon trough at mean sea level lies north of its normal position. It is likely to continue north of its normal position for the next four to five days. Rain activity ranges from fairly common to widespread with isolated downpours and thunderstorms or lightning most likely over Uttarakhand until August 3 and over Himachal Pradesh on July 31.
Similar weather conditions are forecast to last until 3 August. Separate very heavy rainfall is also very likely over Uttarakhand on 31 July and 31 August. is forecast over the states of Bihar, Jharkhand, Odisha, West Bengal and northeast for the next few days.
The IMD said, “Precipitation is fairly common/wide-ranging with individual large cascades and thunderstorms/lightning are most likely to occur over Bihar during July 30-August 2; Jharkhand during July 31.” until August 2; Gangetic West Bengal on July 31 & August 1; Odisha on August 1; West Bengal & Sikkim, Assam & Meghalaya and Nagaland, Manipur, Mizoram & Tripura for the next 4 days.”
Isolated very heavy rainfall is also very likely to occur over Bihar on July 31 and August 1, over Little Himalayas of West Bengal and Sikkim, Assam and Meghalaya on July 31. Scattered rainfall is common. Thunderstorms and lightning are forecast over central India for the next four to five days. Isolated heavy falls are also likely in Eastern Madhya Pradesh and Chhattisgarh on August 3.
According to the Ministry of MeT, a north-south trench runs from North Karnataka Interior to the Comorin area through South Karnataka Interior and Tamilnadu Interior in the lower troposphere.
Meanwhile, a cyclonic circulation lies over the Namcentral Bay of Bengal between 0.9 km and 3.1 km above mean sea level. It is likely to move gradually westward towards the peninsula’s east coast of India over the next five days. Due to these weather conditions, heavy rainfall is forecast in southern India, including Kerala, Andhra Pradesh, Telangana and Karnataka in the next few days.
Fairly common/widespread rainfall accompanied by isolated large falls and thunderstorms/lightning are very likely on the Andhra Pradesh & Yanam Coast between August 1st and 3rd, the weather agency said. ; Telangana during July 30 & August 1 – 3; Coastal Karnataka July 30 & 1 – August 3.” Similar weather conditions will worsen inland south of Karnataka , Tamil Nadu, Puducherry, Karaikal, Kerala and Mahe until August 1. Heavy rainfall is also forecast over Rayalaseema, first hinterland Karnataka and Lakshadweep until August 3.