The first few days of August will be rainy for north and south India, the India Meteorological Department (IMD) said on Sunday as per a PTI report.
After a brief lull, rainfall over southern peninsular India will pick up from Monday whereas east Uttar Pradesh, Uttarakhand, Himachal Pradesh, Delhi, Chandigarh, Punjab, and Jammu and Kashmir will receive heavy spells (64.4 mm to 115 mm in 24 hours) till Tuesday.
The IMD has warned about very heavy rainfall (115.4 mm to 204 mm in 24 hours) over several districts in Kerala, Mahe, Tamil Nadu, Puducherry, Karaikal, and Karnataka till August 4. Some of these include Shimoga, Nilgiris, Thiruvananthapuram, Kanyakumari, Allapuzha, Ernakulam, Tirunelveli, Thoothukudi, and Idukki, which have been placed on 'orange' alert.
A western disturbance is also lying over Afghanistan and adjoining Pakistan in middle tropospheric levels. A north-south trough is running from south Chhattisgarh to Comorin across Telangana, Rayalaseema, and Tamil Nadu at lower tropospheric levels. A shear zone in middle tropospheric levels is likely to develop across extreme south Peninsular India from August 2.
Under the influence of these systems, widespread rainfall activity with isolated heavy rain and thunderstorms/lightning was very likely in Uttarakhand and eastern Uttar Pradesh on August 1 and 2 and Jammu & Kashmir on Monday.
Widespread rainfall with isolated heavy rain and thunderstorms/lightning was very likely in Bihar, Jharkhand, and Gangetic West Bengal on August 1 and 2; Sub-Himalayan West Bengal, Sikkim, and Arunachal Pradesh till August 3; Assam, Meghalaya, Nagaland, Manipur, Mizoram, and Tripura till August 5.
Isolated very heavy rainfall was also very likely in Arunachal Pradesh, Assam, and Meghalaya on Monday. Widespread rainfall with isolated heavy rain and thunderstorms/lightning was very likely in Telangana from August 3 to 5; coastal and north interior Karnataka and Lakshadweep from August 2 to 5; south interior Karnataka, Tamil Nadu, Puducherry, Karaikal, Kerala, and Mahe till August 5.