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Annual Conference of

Relief Commissioners/Secretaries of DM of States

to review preparedness for SW Monsoon

27th May 2014 at Vigyan Bhawan, New Delhi

Flood Forecasting and Warning Mechanism

V D RoyDirector(FFM)

Ph 011-26102836, Email-fmdte@nic.in

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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- 1958 –Delhi

• Present network- 175 (147+28)• 20 divisions• 9 Major River Basins

– 71 sub basins– 17 states/UTs

Central Water Commission

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

WEATHER FORECASTSWEATHER FORECASTS

RIVER STAGE &DISCHARGE ATBASE STATION

RIVER STAGE &DISCHARGE ATBASE STATION

RIVER STAGE &DISCHARGE ATFORECASTING STATIONS

RIVER STAGE &DISCHARGE ATFORECASTING STATIONS RAINFALLRAINFALL

F.M. O. OF I.M.DF.M. O. OF I.M.DFLOOD FORECASTINGCENTRES & CONTROL ROOMS

FLOOD FORECASTINGCENTRES & CONTROL ROOMS

FORMULATION OFFORECASTFORMULATION OFFORECASTC.E., S.E.C.E., S.E.

STATE GOVT.CONTROL ROOMSTATE GOVT.CONTROL ROOM

PRESSPRESS RADIORADIO

P & TP & T

POLICEPOLICE FLOOD COMMITTEEFLOOD COMMITTEE

CIVIL AUTHORITIESCIVIL AUTHORITIES

ENGG. AUTHORITIESENGG. AUTHORITIES

DEFENCEDEFENCE

RAILWAYSRAILWAYS

INDUSTRIESINDUSTRIES

F.M.O OF I.M.DF.M.O OF I.M.D

REGIONAL OFFICESOF I.M.D.REGIONAL OFFICESOF I.M.D.

REGIONAL OFFICESOF I.M.D.REGIONAL OFFICESOF I.M.D.

DOORDARSHANDOORDARSHAN

CWC HQCWC HQ MINISTRY OF WRMINISTRY OF WR

NDMA, NDMNDMA, NDM

FF and Warning Present System – schematic Diagram

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Flood Forecasting Network of CWC – State wise FF Stations

•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 - Rainfall Runoff module, Hydrodynamic module, Flood Forecast module

•Forecast Dissemination• Email, SMS, Website (http://180.171.92.80/ffs)• 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

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 12-24 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

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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

15th 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.

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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 Extended1st May to 31st Dec

New Website for Forecast disseminationhttp://180.171.92.80/ffs

Flood Season 2014

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Notification

• A notification No. 3/120/2013-FFM/2638-2717 dated 3rd 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.

Basin Modified Period

1. Brahmaputra Basin 1st May to 31st October

2. All other Basins upto Krishna Basin

1st June to 31st October

3. Basins South of Krishna Basin (Pennar, Cauvery and Southern Rivers)

1st June to 31st December

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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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Field Chief Engineers of CWC SN Designation / Address Tel / FAX

1 Shri R K Sinha, Chief Engineer (B&BBO), CWC, “Rebekka Ville” Near Barik Point Temple Road, Lower Lachumiere, PO-Rynjah(Umpling), Shillong – 793 001 (Meghalaya)

0364-2220568 Tel0364-2220644 Fax09485175605

2 Shri K S Jacob, Chief Engineer (KGBO) (Additional Charge), CWC, Krishna Godavari Bhawan, 1st Floor, House No 11-4-648, AC Guards, Hyderabad – 500 004 (Andhra Pradesh)

040-23308640 Tel 040-23308642 Fax09449060644

3 Shri S K Sahu, Chief Engineer (LGBO), CWC,,177-B, Srikrishna Puri, Patna-800 001 (Bihar)

0612-2541087 Tel0612-2541865 Fax09471006062

4 Shri A S P Sinha, Chief Engineer (M&ERO), CWC, Plot No.13 & 14, Mahanadi Bhawan, Bhoi Nagar, Bhubaneswar – 751 002 (Orissa)

0674-2545573 Tel0674-2545536 Tel0674-2545537 Fax09437005537

5 Shri Y K Handa, Chief Engineer (IBO), CWC,Block-IV, 6th Floor, Kendriya Sadan, Sector 9-A, Chandigarh-160 017

0172-2741766 Tel0172-2742465 Fax 09818353456

6 Shri S K Sahu, Chief Engineer (TBO), CWC,Sevoke Road, 2nd Mile, Silliguri-734 401

0353-2543230 Tel0353-2540262 Fax 09471006062

Field Chief Engineers of CWC SN Designation / Address Tel / FAX

8 Shri M S Agrawal, Chief Engineer (YBO), CWC, Kalindi Bhawan, B-5, Tara Crescent Road, Qutub Institutional Area, New Delhi-110 016

011-26526865 Tel011-26526857 Fax 09911229973

9 Shri Ram Saran, Chief Engineer (UGBO), CWC, Jahnavi Sadan, 21/496, Indira Nagar, Lucknow-226 016 (Uttar Pradesh)

0522-2715832 Tel0522-2715834 Fax 08005489019

10 Shri Lalit Kumar, Chief Engineer (NBO), CWC, Block3, G-Floor, Prayavas Bawan, Mother Teresa Marg, Arera Hills, Bhopal – 462 011 (MP)

0755-2574513 Tel0755-2550253 Fax 09425018835

11 Shri R K Suryavanshi, Chief Engineer (NTBO), CWC, Narmada Tapi Bhawan, Room No.103, 1st Floor, Sector 10A, Gandhinagar -382043(Gujarat)

079-23245427 Tel079-23246115 Fax 09879200530

12 Shri J Chandrashekhar Iyer, Chief Engineer (C&SR), CWC, Sangamam Gandhimanagar, Peelamedu, Coimbatore – 641 004 (Tamil Nadu)

0422-2512242 Tel0422-2512243 Fax 07598029286

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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

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THANKS

Central Water Commission