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Summary of Flood Situation and Advisories
By PIB Delhi
Heavy to very heavy rainfall with extremely heavy falls at a few isolated places over West Madhya Pradesh; East Rajasthan, Gujarat and Sub-Himalayan West Bengal & Sikkim; heavy to very heavy rainfall at isolated places over Madhya Maharashtra, Assam and Konkan & Goa and heavy rainfall at isolated places over East Madhya Pradesh, Arunachal Pradesh & Coastal Karnataka occurred in the morning.
20 Stations (7 in Bihar, 4 in Uttar Pradesh, 2 each in Odisha & Maharashtra, 1 each in Assam, Gujarat, Jharkhand, Madhya Pradesh & West Bengal) are flowing in Severe Flood Situation (above danger level) and 24 stations (14 in Bihar, 6 in Uttar Pradesh, 2 each in Assam & Odisha) are flowing in Above Normal Flood Situation (above warning level). Inflow Forecast has been issued for 30 Barrages & Dams (8 in Madhya Pradesh, 3 each in Karnataka, Maharashtra, Rajasthan & Uttar Pradesh, 2 each in Andhra Pradesh, Jharkhand, West Bengal, Tamilnadu, 1 each in Odisha & Gujarat) for which flow is coming over threshold value. Details can be seen in link http://cwc.gov.in/sites/default/files/dfb202030082020_5.pdf
Widespread rainfall with heavy to very heavy falls and extremely heavy falls at isolated places is very likely over Gujarat today; isolated heavy to very heavy falls is likely on 31st August, 2020 over Gujarat and very likely to decrease significantly thereafter. Widespread rainfall with heavy to very heavy falls is also very likely over West Madhya Pradesh & North Konkan today; over Rajasthan on 31st August, 2020 and decrease significantly thereafter. Fairly widespread rainfall with Isolated heavy falls and thunderstorm & lightning is very likely over Northwest India & Western Himalayan Region during 01st – 03rd September, 2020.
Due to reduction in rainfall Rivers Mahanadi & its tributaries in Chhattisgarh & Odisha are expected to slowly fall with reduction in flows into major reservoirs. However, close watch is to be maintained in Districts Baleshwar, Sambalpur, Bhadrak, Jajapur, Cuttack, Angul, Mayurbhanj, Kendujar in Odisha and Korba, Dhamtari, Raipur, Mahasamund&Champa in Chhattisgarh.
Rivers Narmada, Tapi, Chambal in Madhya Pradesh, Rivers Wainganga &Wardha in Maharashtra have started falling in upper reaches as the rainfall has reduced significantly. Since no further rainfall is forecasted for next 48 hours, situation in flood affected Staes of Madhya Pradesh & Maharashtra are likely to improve significantly.
Rivers Chambal & its tributaries and Mahi in Madhya Pradesh & East Rajasthan are expected to rise rapidly due to forecasted continuous rainfall with isolated very heavy rainfall for next 24 hours. Gandhisagar Dam, Som Kamala Amba Dam, Kalisindh Dam, Mahi Bajaj Sagar Dam, Panchana Dam in Madhya Pradesh & Rana PratapSagar Dam & Kota Barrage in Rajasthan are expected to get heavy inflows. Close watch is to be maintained in Districts Dhar, Mandasour in Madhya Pradesh, Tonk, Banswara, Udaipur, Jhalawar, Baran, Chittorgarh, Karrauli, Bundi, Dholpur& Kota in Rajasthan.
Rivers Narmada, Mahi, Sabarmati in Gujarat, and West Flowing Rivers in Konkan & Goa are expected to rise due to forecasted heavy to very heavy rainfall in the next 3 days. Kadana Dam, Ukai Dam, Panam Dam, Madhuban Dam, SardarSarovar Dam &Dharoi Dam in Gujarat are expected to get increased inflows. Close watch is to be maintained in Districts of Narmada, Bharuch, Mahisagar, Mehsana, Tapi, Valsad, Panchmahal, Ahmedabad, Banaskantha&Mehsana in Gujarat.
Strict vigil is to be maintained in all the above States & Districts for next 3-4 days. It is advised that close watch has to be maintained for increased inflows in dams. Releases from any of these reservoirs may be done as per rule curve and standard operating procedure with advance intimation to downstream areas.
Maximum vigil has to be maintained along the rail and road tracks and bridges on these rivers and regulate traffic suitably to avoid any incident. Submergence of low-level cause ways along rivers and railway tracks along flashy rivers is to be monitored closely. All district administrations can take effective measures taking into account the prevailing Covid-19 situation in relief camps being set up in these districts.
