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1 Annual Conference of Relief Commissioners/Secretaries of DM of States to review preparedness for SW Monsoon 27 th May 2014 at Vigyan Bhawan, New Delhi.

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Presentation on theme: "1 Annual Conference of Relief Commissioners/Secretaries of DM of States to review preparedness for SW Monsoon 27 th May 2014 at Vigyan Bhawan, New Delhi."— Presentation transcript:

1 1 Annual Conference of Relief Commissioners/Secretaries of DM of States to review preparedness for SW Monsoon 27 th May 2014 at Vigyan Bhawan, New Delhi Flood Forecasting and Warning Mechanism V D Roy Director(FFM) Ph ,

2 2 Flood Forecasting Activities of CWC CWC declared as line department for Flood Management. Provides Flood Forecasting services based on hydro- meteorological data from its network, reservoir release data received from project authorities, QPF from IMD (in real-time domain) First FF site –Delhi Present network- 175 (147+28) 20 divisions 9 Major River Basins – 71 sub basins – 17 states/UTs Central Water Commission

3 DFCR FF Formulation FMO RF, WF, QPF CWC site BS, FFS WL, RF, Q Civil Authorities & others Media CFCR Summary Compilation NDM IOC Ministries/ Deptt CWC FF Services Set-up

4 WEATHER FORECASTS RIVER STAGE & DISCHARGE AT BASE STATION RIVER STAGE & DISCHARGE AT BASE STATION RIVER STAGE & DISCHARGE AT FORECASTING STATIONS RIVER STAGE & DISCHARGE AT FORECASTING STATIONS RAINFALL F.M. O. OF I.M.D FLOOD FORECASTING CENTRES & CONTROL ROOMS FLOOD FORECASTING CENTRES & CONTROL ROOMS FORMULATION OF FORECAST FORMULATION OF FORECAST C.E., S.E. STATE GOVT. CONTROL ROOM STATE GOVT. CONTROL ROOM PRESS RADIO P & T POLICE FLOOD COMMITTEE CIVIL AUTHORITIES ENGG. AUTHORITIES DEFENCE RAILWAYS INDUSTRIES F.M.O OF I.M.D REGIONAL OFFICES OF I.M.D. REGIONAL OFFICES OF I.M.D. REGIONAL OFFICES OF I.M.D. REGIONAL OFFICES OF I.M.D. DOORDARSHAN CWC HQ MINISTRY OF WR NDMA, NDM FF and Warning Present System – schematic Diagram

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6 6 Flood Forecasting Network of CWC – State wise FF Stations

7 Data Collection : Manually, Sensors Transmission: Wireless, Telephone, Mobiles, DRT of INSAT, Vsat Forecast Formulation: Statistical Correlations using gauge to gauge, Gauge - discharge data - Multiple coaxial correlations using gauge, rainfall, Antecedent Precipitation Index (API) data Mathematical Models like MIKE-II - Rainfal l Runoff module, Hydrodynamic module, Flood Forecast module Forecast Dissemination , SMS, Website ( civil/ engineering authorities of concerned States, defence, railways/ highways authorities, industrial and other important establishments located in the flood prone areas Media, Press Flood Forecasting in CWC

8 Forecast Frequency Major rivers (Travel time >24 hours) Forecasts are being formulated based on 0800 hrs/ 0900 hrs water level data and forecst issued once in a day at 1000 hrs with advance warning time from 24 hrs to 36 hrs Medium rivers (Travel time hours) Forecasts are being formulated based on 0600 hrs and 1800 hrs water level data and forecast issued twice in a day at 0700 hrs and 1900 hrs with advance warning time from 12 hrs to 24 hrs Flashy rivers (Travel time < 12 hours) Forecasts are being formulated based on any hr water level data and forecast issued multiple times (more than twice) in a day with advance warning time less than 12 hrs 8

9 Flood Situation during 2013 Severe flooding observed at many places Unprecedented Flooding at two stations- Mawi(Yamuna in UP/Haryana) & Bhagalpur (Ganga in Bihar) High Flooding at 20 Stations- Brahmaputra(Assam), Yamuna(DL), Ganga(UK, UP), Subarnaekha & Burhabalang(Odisha), Ghagha(UP & BH), Rapti(UP), Wardha(MH), Kosi(BH) Total 7060 forecasts were issued Flood Forecasts activity was extended beyond 15 th October 2013 to cover the floods due to Phailin in the states of Odisha, West Bengal, Jharkhand and Bihar. Liaison with IMD & project authorities of concerned State Governments until the threat of floods receded. 9

10 10 Review of Warning and Danger Levels Review of Warning and Danger Levels Review of Warning and Danger levels has been done at Srinagar on river Alaknanda in Uttarakhand and is reduced from 539 and 540 m respectively to 535 and 536 m respectively. Review of Warning and Danger Levels at Rosera on Burhi Gandak in Bihar has also been taken up and is likely to be finalised before the start of the ensuing flood season. Review of Warning Level for Mathura (Prayag Ghat) on Yamuna in Uttar Pradesh has been taken up with the concerned Revenue authorities of UP and will be done after confirmation from respective District / Revenue authorities. Flood Preparedness Period Extended Flood Preparedness Period Extended 1 st May to 31 st Dec New Website for Forecast dissemination New Website for Forecast dissemination Flood Season 2014

11 11 Notification A notification No. 3/120/2013-FFM/ dated 3 rd December 2013 has already been issued modifying the designated flood periods for various basins to be followed from monsoon 2014 onwards. Central Water Commission Sl.No.BasinModified Period 1.Brahmaputra Basin1 st May to 31 st October 2.All other Basins upto Krishna Basin 1 st June to 31 st October 3.Basins South of Krishna Basin (Pennar, Cauvery and Southern Rivers) 1 st June to 31 st December

12 12 Notification In case of floods in any basin beyond the above designated flood period due to unexpected rain/releases from dams or other reasons, the flood forecasting activity shall be resumed in affected basins by the concerned organisation/division till the water level falls below warning level/inflow falls below threshold limit at all FF/ IF stations and necessary bulletins shall be disseminated as usual to all users as well as CFCR. Central Water Commission

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18 Field Chief Engineers of CWC SNDesignation / AddressTel / FAX 1 Shri R K Sinha, Chief Engineer (B&BBO), CWC, Rebekka Ville Near Barik Point Temple Road, Lower Lachumiere, PO- Rynjah(Umpling), Shillong – (Meghalaya) Tel Fax Shri K S Jacob, Chief Engineer (KGBO) (Additional Charge), CWC, Krishna Godavari Bhawan, 1 st Floor, House No , AC Guards, Hyderabad – (Andhra Pradesh) Tel Fax Shri S K Sahu, Chief Engineer (LGBO), CWC,,177-B, Srikrishna Puri, Patna (Bihar) Tel Fax Shri A S P Sinha, Chief Engineer (M&ERO), CWC, Plot No.13 & 14, Mahanadi Bhawan, Bhoi Nagar, Bhubaneswar – (Orissa) Tel Tel Fax Shri Y K Handa, Chief Engineer (IBO), CWC,Block-IV, 6th Floor, Kendriya Sadan, Sector 9-A, Chandigarh Tel Fax Shri S K Sahu, Chief Engineer (TBO), CWC,Sevoke Road, 2nd Mile, Silliguri Tel Fax

19 Field Chief Engineers of CWC SNDesignation / AddressTel / FAX 8 Shri M S Agrawal, Chief Engineer (YBO), CWC, Kalindi Bhawan, B-5, Tara Crescent Road, Qutub Institutional Area, New Delhi Tel Fax Shri Ram Saran, Chief Engineer (UGBO), CWC, Jahnavi Sadan, 21/496, Indira Nagar, Lucknow (Uttar Pradesh) Tel Fax Shri Lalit Kumar, Chief Engineer (NBO), CWC, Block3, G- Floor, Prayavas Bawan, Mother Teresa Marg, Arera Hills, Bhopal – (MP) Tel Fax Shri R K Suryavanshi, Chief Engineer (NTBO), CWC, Narmada Tapi Bhawan, Room No.103, 1 st Floor, Sector 10A, Gandhinagar (Gujarat) Tel Fax Shri J Chandrashekhar Iyer, Chief Engineer (C&SR), CWC, Sangamam Gandhimanagar, Peelamedu, Coimbatore – (Tamil Nadu) Tel Fax

20 20 Review of Danger levels and Warning levels especially in respect of CWC FF stations where situation warrants need to be done and intimated to regional offices of CWC. Flood Damage statistics may be updated regularly during monsoon followed by confirmation copy after the season is over for record Latest Mobile numbers of nodal officers for receiving SMS in case of High & Unprecedented Floods need to be supplied to CWC. Appeal to States

21 21 THANKS Central Water Commission


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