Rainfall Forecast issued by India Meteorological Department for the next 5 days indicate that Heavy to Very Heavy rainfall with extremely heavy fall are very likely to occur in Arunachal Pradesh, Assam & Meghalaya, Sub Himalayan West Bengal, Sikkim and Bhutan. Heavy to very heavy rainfall is likely in Eastern UP, Bihar and Nepal.
Due to this rainfall, the rivers like Brahmaputra and its tributaries in Arunachal Pradesh, Assam and Meghalaya, Northern tributaries of Ganga in Eastern UP, North Bihar are likely to Rise and create low to High flood with unprecedented flood in few locations.
The likely impact of these rains as inferred from rainfall runoff model run for 3 days advisory forecast is likely rapid Rise in water levels of rivers as stated above and detailed as under:
Brahmaputra Basin:
River Brahmaputra is likely to flow in Moderate to High to Unprecedented flood situation in the districts of Dibrugarh, Jorhat, Golaghat, Nagaon, Morigaon, Kamrup, Goalpara and Dhubri of Assam during 10th to 20th August 2017.
River Siang in Upper and East Siang district of Arunachal Pradesh and Dhemaji district of Assam, River Lohit in Namsai, Lohit and Anjaw district of Arunachal Pradesh and Tinsukia district of Assam is likely to flow in Moderate to High flood situation with Unprecedented in few locations during the period from 10th to 13th August 2017
River Subansiri in Upper and lower Subansiri districts of Arunachal Pradesh and Lakhimpur district of Assam is likely to flow in moderate to High flood during 10th to 13th August 2017.
River Kameng in West and East districts of Arunachal Pradesh is likely to flow in moderate to high flood situation during 10th to 13th August 2017.
River Ranganadi and River Jia-Bharali are likely to flow in Moderate to High Flood situation in North Lakhimpur and Sonitpur districts of Assam respectively during the period from 10th to 13th August 2017.
River Dikhow and Desang in Sibsagar district of Assam are likely to flow in Moderate to High Flood situation during the period from 10th to 13th August 2017.
River Dhansiri North is likely to flow in High to Unprecedented flood situation in Darrang district of Assam during 10th to 13th August 2017.
Rivers Puthimari and Pagladiya in Baksa, Kamrup and Nalbari district of Assam are likely to flow in Moderate to High flood situation during 10th to 14th August 2017.
Rivers Beki and Manas in Barpeta district of Assam are likely to flow in Moderate to High Flood situation during the period from 10th to 15th August 2017.
River Aie , Gaurang and Champamati in Barpreta, Bongaigaon , Chirrang, Goalpara districts of Assam are likely to flow in Moderate to High Flood with Unprecedented floods in some reaches during 10th to 15th August 2017.
River Sankosh in Alipurduar district of West Bengal and Dhubri district of Assam is likely to flow in Moderate to High Flood situation during the period from 10th to 15th August 2017 .
River Torsa in Coochbehar district of West Bengal is likely to flow in Moderate Flood situation during the period from 10th to 15th August 2017.
Rivers in South Sikkim are also likely to flow in Moderate Flood situation during the period from 10th to 15th August 2017.
Ganga Basin:
River Mahananda in Jalpaiguri and Malda district of West Bengal and Kishanganj, Araria, Purnea and Katihar district of Bihar is likely to flow in moderate to High flood situation during 10th to 14th August 2017.
Rivers Kosi, Kamlabalan, Adhwara Group, Bagmati, Burhi Gandak, Gandak, Ghaghra are likely to flow in low to moderate with High flood situation in few locations in Supaul, Madhepura, Madhubani, Darbhanga, Khagaria, Sitamarhi, Shivhar, Muzaffarpur,Samastipur, Begusarai, West and East Champaran, Gopalganj, Siwan,Saran, Vaishali districts of Bihar during 10th to 14th August 2017.
Rivers Ghaghra, Rapti, their tributaries and Gandak are likely to flow in low to moderate with High flood situation in few locations in the districts of Maharajganj, Kushinagar, Deoria, Ballia, Sidharthnagar, Gorakhpur, Mau, Gazipur, Balarampur, Basti, Sravasti, Gonda, Ambedkernagar, Azamgarh, Bahraich, Kheri, Sitapur, Bara Banki, Faizabad, Sultanpur, Pilibhit, St. Kabir Nagar during 10th to 14th August 2017.
River Ganga in Uttar Pradesh, Bihar, Jharkhand, West Bengal is likely to flow in low to moderate flood during 11th to 20th August 2017.
Samir/