1. 1 1 Northwest River Forecast Center National Weather Service Implementation of Community Hydrologic Prediction System CHPS Acceleration Team ABRFC, CNRFC, NERFC, NWRFC, and OHD Delft |WL Hydraulics, Deltares National HIC Meeting February 2009 National Weather Service Implementation of Community Hydrologic Prediction System CHPS Acceleration Team ABRFC, CNRFC, NERFC, NWRFC, and OHD Delft |WL Hydraulics, Deltares National HIC Meeting February 2009

2. 2 CAT background and historyCAT background and history Describe Baseline Operational Capabilities (BOC)Describe Baseline Operational Capabilities (BOC) CAT TimelineCAT Timeline Present Baseline Operational Capabilities (BOC-II)Present Baseline Operational Capabilities (BOC-II) Follow-on RFCs timeline (CAT-II)Follow-on RFCs timeline (CAT-II) Outline

3. 3 There are so many of people who made this project happen and have contributed immensely to its current successes. Gary Carter, Pedro Restrepo for supporting the RFCs in this endeavor on many levelsGary Carter, Pedro Restrepo for supporting the RFCs in this endeavor on many levels OHD staff for their program management, budget, software, and technical supportOHD staff for their program management, budget, software, and technical support –J.Roe, C.Dietz, R.Rieman, J.Gofus, many others Delft|WL DeltaresDelft|WL Deltares –The caliber of staff and dedication to maintain the aggressive schedule has been simply outstanding Accolades

4. 4 CATCHPS Acceleration TeamCATCHPS Acceleration Team BOCBaseline Operational CapabilityBOCBaseline Operational Capability CAT-IIThe 9 follow-on RFCsCAT-IIThe 9 follow-on RFCs BOC-IIUpdated version of the BOCBOC-IIUpdated version of the BOC Definitions

5. 5 Operational Operational 2006 2007 2008 2009 2010 2011 2006 2007 2008 2009 2010 2011 BOC Migration Parallel Ops Migration CAT RFCs CAT-II RFCs TodayTodayPilots/Demonstrations CAT & CAT-II Timelines BOC-II BOC Software Development BOC-II Software Development Retire NWSRFS

6. 6 CAT – CHPS Acceleration Team Develop Implementation Strategy and Plan to address NWSRFS-to- CHPS migration at CATsDevelop Implementation Strategy and Plan to address NWSRFS-to- CHPS migration at CATs The CAT basin demonstrations captured the varying hydrology and hydraulics as the first foray into FEWSThe CAT basin demonstrations captured the varying hydrology and hydraulics as the first foray into FEWS Success relies upon the strategy, planning, and execution on part of all the playersSuccess relies upon the strategy, planning, and execution on part of all the players –OHD, Deltares, CATs –Well organized approach to strategy and planning –Frequent and direct interfacings/workshops Basis of CAT activities followed a Baseline Operational Capability, or BOCBasis of CAT activities followed a Baseline Operational Capability, or BOC 6 Implementation Strategy

7. 7 Develop a Baseline Operational Capability BOC required examination of the end-to-end forecast systemBOC required examination of the end-to-end forecast system Clearly defined requirements to duplicate operations without NWSRFSClearly defined requirements to duplicate operations without NWSRFS Process served to define/direct software development & model transition activities at OHD and DeltaresProcess served to define/direct software development & model transition activities at OHD and Deltares 7 Implementation Strategy

8. CAT Recommendation BOC had Resource Implications Re-direct OHD resources toward CHPS & FEWSRe-direct OHD resources toward CHPS & FEWS Terminate “dead-end” NWSRFS enhancementsTerminate “dead-end” NWSRFS enhancements Align/re-evaluate HSMB-oriented “Research to Operations” (RTO) projectsAlign/re-evaluate HSMB-oriented “Research to Operations” (RTO) projects Establish a priority work plan at the RFCEstablish a priority work plan at the RFC –Not above forecast operations 8

9. 9 BOC - Baseline Operational Capability defined BOC is the minimum set of software, hardware, and information infrastructure to operationally support the 4 CAT RFCsBOC is the minimum set of software, hardware, and information infrastructure to operationally support the 4 CAT RFCs –Models, Operations, Display utilities Consistent with operational service delivery as of Jan 1, 2008Consistent with operational service delivery as of Jan 1, 2008 –Snapshot of 4 CAT RFC determined functionality and operations that would be included in initial CHPS system Mechanical change onlyMechanical change only –No re-calibration of models/basin –Except HEC-RAS 9 Baseline Operational Capability

10. 10 BOC – Empower facilities delivered with FEWS Comprehensive database/repositoryComprehensive database/repository –Time Series –Point/grid/mean areal –Model states –MODs –Approved/non-approved runs Archive capableArchive capable Backup potentialBackup potential System synchronizationSystem synchronization Built-in GIS facilitiesBuilt-in GIS facilities Technology upgradeTechnology upgrade 10 Baseline Operational Capability

11. 11 Following slides will highlight several areas the CAT, OHD, and Deltares addressed based on the BOC roadmap Data processingData processing NWSRFS OFS Pre ProcessorsNWSRFS OFS Pre Processors Observed and forecast forcingsObserved and forecast forcings Evaluate Models and OperationsEvaluate Models and Operations Post processingPost processing 11 Baseline Operational Capability Ensemble CapabilitiesEnsemble Capabilities CalibrationCalibration ArchiveArchive TrainingTraining Strategic and Tactical PlanningStrategic and Tactical Planning Ensemble CapabilitiesEnsemble Capabilities CalibrationCalibration ArchiveArchive TrainingTraining Strategic and Tactical PlanningStrategic and Tactical Planning

12. Hydrologic/Hydraulic Configuration Workflows will emulate Forecast Group and Segment structure of current NWSRFS implementationsWorkflows will emulate Forecast Group and Segment structure of current NWSRFS implementations This will help simplify migrationThis will help simplify migration 12 Baseline Operational Capability

13. OFS Models and Operations 3-classes of Models or Operations changes related to porting NWSRFS system Re-written into JAVARe-written into JAVA Adapters added to current NWSRFS functionality and ported to FEWSAdapters added to current NWSRFS functionality and ported to FEWS Employing functions within FEWSEmploying functions within FEWS 13 NWSRFS Model/Operations Baseline Operational Capability

14. Models re-written into Java Hydrologic/Hydraulic ModelsHydrologic/Hydraulic Models Soil Moisture ModelsSoil Moisture Models Snow ModelsSnow Models 14 NWSRFS Model/Operations Apply adapters for other models and operations Reservoir ModelsReservoir Models Routing ModelsRouting Models Consumptive UseConsumptive Use Apply adapters for other models and operations Reservoir ModelsReservoir Models Routing ModelsRouting Models Consumptive UseConsumptive Use RES-J, RES-SNGL, BASEFLOW, SARROUTE, CONS_USE, LAG/K, LAY-COEF, TATUM, TIDEREV, MUSKROUT, RES-J, RSNWELEV, CHANLOSS, SSARRESV, STAGEREV, RES-SNGL Replace with similar functions embedded within CHPS Time series or data manipulationTime series or data manipulation Replace with similar functions embedded within CHPS Time series or data manipulationTime series or data manipulation CLEAR-TS, CHANGE-T, ADD/SUB, SET-TS, MULT/DIV, NOMSNG, MERG-TS, MEAN-Q, WEIGHT-TS, LOOKUP3, LOOKUP, DELTA- TS, ADJUST-Q, ADJUST-H, ADJUST-T, PLOT-TS, PLOT-TUL SNOW-17, Unit-HG, SAC-SMA Baseline Operational Capability

15. Migration Tools Deltares will develop the necessary tools to convert NWSRFS to FEWSDeltares will develop the necessary tools to convert NWSRFS to FEWS Transform NWSRFS configurations/definitions to FEWSTransform NWSRFS configurations/definitions to FEWS Transfer parameters/model states to FEWSTransfer parameters/model states to FEWS 15 Baseline Operational Capability

16. 16 Display Concepts System Forecaster Interactivity FEWS has been engineered to employ and expand upon D2D display and functional conceptsFEWS has been engineered to employ and expand upon D2D display and functional concepts Increase the analysis time of forecasterIncrease the analysis time of forecaster Reduce mechanics (clicking) to information panelsReduce mechanics (clicking) to information panels Allow use of expanded screen real estate per user needsAllow use of expanded screen real estate per user needs –Can use “twin-view” screen expansion Take advantage of tabs, docking, earlobes, tear-offs techniquesTake advantage of tabs, docking, earlobes, tear-offs techniques User mechanical state (configuration) memorized and used on re-entryUser mechanical state (configuration) memorized and used on re-entry System Forecaster Interactivity FEWS has been engineered to employ and expand upon D2D display and functional conceptsFEWS has been engineered to employ and expand upon D2D display and functional concepts Increase the analysis time of forecasterIncrease the analysis time of forecaster Reduce mechanics (clicking) to information panelsReduce mechanics (clicking) to information panels Allow use of expanded screen real estate per user needsAllow use of expanded screen real estate per user needs –Can use “twin-view” screen expansion Take advantage of tabs, docking, earlobes, tear-offs techniquesTake advantage of tabs, docking, earlobes, tear-offs techniques User mechanical state (configuration) memorized and used on re-entryUser mechanical state (configuration) memorized and used on re-entry Baseline Operational Capability

17. Introduce and Develop “MODS” in FEWS –Deltares developing MODs interface and capability FEWS Interactive Forecast GUI meeting (Aug 2008)FEWS Interactive Forecast GUI meeting (Aug 2008) –Emulate NWSRFS functionality with more sophistication and intuitiveness –Modify states or data to models & time series Soil Moisture StatesSoil Moisture States Snow StatesSnow States Simulated ForecastsSimulated Forecasts RegulationRegulation 17 Baseline Operational Capability

18. Data Flow Existing data flows re-mapped to provide same point, areal, and gridded data currently provided by NWSRFSExisting data flows re-mapped to provide same point, areal, and gridded data currently provided by NWSRFS –Ofs_de/batchpst –Track data sources for MAP comparisons between RFS and CHPS grid-generated data Data flows will support archive and verification requirementsData flows will support archive and verification requirements QC will remain external to FEWS via tools and applicationsQC will remain external to FEWS via tools and applications QC within FEWS propagates to external systems and repositoriesQC within FEWS propagates to external systems and repositories Question IHFS database existence at RFCsQuestion IHFS database existence at RFCs 18 Baseline Operational Capability

19. NWSRFS Pre Processors Observed and Forecast Forcings Forcings will remain external to FEWSForcings will remain external to FEWS Goal is for all input forcings to be in grid formGoal is for all input forcings to be in grid form –FEWS will transform input to mean areal FEWS will also support both point and time series data ingestFEWS will also support both point and time series data ingest –Eg., post time series data to FEWS (NWS) RRS Quality Control within FEWS will propagate to external systems and repositories(NWS) RRS Quality Control within FEWS will propagate to external systems and repositories 19 Baseline Operational Capability

20. NWSRFS OFS Preprocessors CAT RFCs agreed to retire all OFS Pre-processors and employ routines within FEWS to generate mean areal time series dataCAT RFCs agreed to retire all OFS Pre-processors and employ routines within FEWS to generate mean areal time series data CAT/HSEB formed team to address OFS PPCAT/HSEB formed team to address OFS PP All input forcings will be in grid formAll input forcings will be in grid form Validate techniques in mean areal computations against current OFS PP dataValidate techniques in mean areal computations against current OFS PP data –Adjust for biases –Maintain temporal considerations of 6 & 24 hour time series 20 Baseline Operational Capability

21. Post Processing FEWS to export XML and SHEF messagesFEWS to export XML and SHEF messages Forecast generation (and transmission) will be by forecast group or single segmentForecast generation (and transmission) will be by forecast group or single segment Ability to visually (read-only) monitor forecast process by other usersAbility to visually (read-only) monitor forecast process by other users –eg. WFOs? 21 Baseline Operational Capability

22. 22 Baseline Operational Capability ESP - Ensemble Streamflow Prediction Services FEWS will provide for existing level of ensemble operations, products, and servicesFEWS will provide for existing level of ensemble operations, products, and services Retreat from ESPADP due to reliance on FS5filesRetreat from ESPADP due to reliance on FS5files Employ XEFS Ensemble Product Generator (EPG)Employ XEFS Ensemble Product Generator (EPG) Initial version this fall 2009Initial version this fall 2009 Completed by fall 2010Completed by fall 2010 Ens-Pre and Ens-Post are considered part of BOCEns-Pre and Ens-Post are considered part of BOC ESP - Ensemble Streamflow Prediction Services FEWS will provide for existing level of ensemble operations, products, and servicesFEWS will provide for existing level of ensemble operations, products, and services Retreat from ESPADP due to reliance on FS5filesRetreat from ESPADP due to reliance on FS5files Employ XEFS Ensemble Product Generator (EPG)Employ XEFS Ensemble Product Generator (EPG) Initial version this fall 2009Initial version this fall 2009 Completed by fall 2010Completed by fall 2010 Ens-Pre and Ens-Post are considered part of BOCEns-Pre and Ens-Post are considered part of BOC

23. 23 Baseline Operational Capability XEFS - Experimental Ensemble Forecast System Right behind NWSRFS migrationRight behind NWSRFS migration Prototyping at CN, CB, MA, OH, and NERFCs in 2010Prototyping at CN, CB, MA, OH, and NERFCs in 2010 Operational in 2011 at CNRFCOperational in 2011 at CNRFC XEFS - Experimental Ensemble Forecast System Right behind NWSRFS migrationRight behind NWSRFS migration Prototyping at CN, CB, MA, OH, and NERFCs in 2010Prototyping at CN, CB, MA, OH, and NERFCs in 2010 Operational in 2011 at CNRFCOperational in 2011 at CNRFC

24. 24 Calibration System Commitment to continue supporting current calibration systemCommitment to continue supporting current calibration system Currently limited to existing NWS model/operationsCurrently limited to existing NWS model/operations Action from January CAT workshop raised the priority and accelerated support for calibration program linked to CHPSAction from January CAT workshop raised the priority and accelerated support for calibration program linked to CHPS Not in initial BOCNot in initial BOC Targeted for Jan 2010Targeted for Jan 2010 Needed to support hydrologic servicesNeeded to support hydrologic services Calibration System Commitment to continue supporting current calibration systemCommitment to continue supporting current calibration system Currently limited to existing NWS model/operationsCurrently limited to existing NWS model/operations Action from January CAT workshop raised the priority and accelerated support for calibration program linked to CHPSAction from January CAT workshop raised the priority and accelerated support for calibration program linked to CHPS Not in initial BOCNot in initial BOC Targeted for Jan 2010Targeted for Jan 2010 Needed to support hydrologic servicesNeeded to support hydrologic services Baseline Operational Capability

25. Training Key component to CHPS transition and migrationKey component to CHPS transition and migration Combination of contractor/NWS trainingCombination of contractor/NWS training Deltares visiting CAT RFCs to provide both system and migration training.Deltares visiting CAT RFCs to provide both system and migration training. Hydrology training remains responsibility of RFCHydrology training remains responsibility of RFC 25 Baseline Operational Capability

26. System Support/Maintenance NWS models/operations are passed to DeltaresNWS models/operations are passed to Deltares –Available to all other users (share concept) FEWS software builds delivered by DeltaresFEWS software builds delivered by Deltares –FEWS software architecture responsibility of Deltares OHD/OCWWS HSD will be first line supportOHD/OCWWS HSD will be first line support –Maintenance NWS operations only –Other FEWS bugs reported/fixed by Deltares 2 nd line support direct from Deltares2 nd line support direct from Deltares 26 Baseline Operational Capability

27. 27Operational 2006 2007 2008 2009 2010 2011 2006 2007 2008 2009 2010 2011 BOC Migration Parallel Ops CAT RFCs TodayTodayPilots/Demonstrations CAT Timeline and Workshops Jun WS August Design Meeting Sep WS December 2008 Software Acceptance/Testing Jan WS Mar WS Jun WS Sep WS Dec WS Weekly CAT Calls FEWS update Apr - Models and operationApr - Models and operation Jun - Interactive/MODsJun - Interactive/MODs Mar WS Jun WS Sep WS Jan WS Mar WS FEWS minor/major updates 2x/year CAT/OHD/DeltaresWorkshops Data Flow Changes OFSde/CHPSpst Dec WS Decision Meeting CHPS Training BOC Software Development

28. 28 2008 JanuaryJanuary –CAT-recommend implementation of Delft-FEWS as the software infrastructure for CHPS approved by Gary Carter, OHD Weekly CAT calls to discuss and monitor activities and progressWeekly CAT calls to discuss and monitor activities and progress 28 CAT Timeline & Activities

29. 29 2008 June 2008 Workshop Objectives (Silver Spring)June 2008 Workshop Objectives (Silver Spring) –First CAT workshop –Software design and development –CHPS Implementation strategy HighlightsHighlights –Data Processing (I/O, QC) –Hardware architecture –Migration of model operations and FEWS adapters –Interactive forecasting capability (NWRFC design meeting) –Ensemble, calibration, verification systems Flash Flood GuidanceFlash Flood Guidance 29 CAT Timeline & Activities

30. 30 2008 August 4-6 Design Meeting (NWRFC)August 4-6 Design Meeting (NWRFC) –Interactive forecast system –MODs capabilities –Deltares, ABRFC, NERFC, and CNRFC participating Each CAT sent a forecast representative to hammer out interface and MODS designEach CAT sent a forecast representative to hammer out interface and MODS design Laud Deltares for being open to ideas and suggestions and for providing invaluable inputLaud Deltares for being open to ideas and suggestions and for providing invaluable input 30 CAT Timeline & Activities

31. 31 2008 September 2008 Workshop (NERFC)September 2008 Workshop (NERFC) HighlightsHighlights –Status of development at OHD and Deltares –PreProcessor requirements Data processing (Time series, grib, xmrg, netcdf )Data processing (Time series, grib, xmrg, netcdf ) –Prepare for CHPS testing and configuration support tools –MODS technical implementation –Interactive forecasting capability –Ensemble, Calibration, verification system –Archive –CHPS hardware and infrastructure FFG againFFG again 31 CAT Timeline & Activities

32. 32 2008 December 2008 Software Acceptance TestingDecember 2008 Software Acceptance Testing Model and TS-Operations comparison between CHPS & NWSRFSModel and TS-Operations comparison between CHPS & NWSRFS –Compare models/operations between RFS & CHPS –SAC-SMA, Snow-17 –Time Series Testing settled on output time-seriesTesting settled on output time-series –Statistical measures RMSE, max/min error computed –Discovered precision and unit conversion issues Concluded the TS comparisons must match exactly (within rounding considerations)Concluded the TS comparisons must match exactly (within rounding considerations) 32 CAT Timeline & Activities

33. 33 2009 January 2009 Workshop (Silver Spring)January 2009 Workshop (Silver Spring) HighlightsHighlights –XEFS –Calibration & Verification Calibration given higher development priorityCalibration given higher development priority –Archive –Product Generation Potential use of WaterML for XML servicesPotential use of WaterML for XML services Planning and strategy to engage with follow-on RFCsPlanning and strategy to engage with follow-on RFCs The 9 follow-on RFCs were designated as CAT-IIThe 9 follow-on RFCs were designated as CAT-II Decision to start a BOC-II documentDecision to start a BOC-II document 33 CAT Timeline & Activities

34. 34 2009 Today January 2009January 2009 –Started Webinar/GoTo for ALL RFC to bring them up to speed on status/progress/activities –February 11 most recent call –Next to occur in March? February 9-13, 2009February 9-13, 2009 –First migration training held at NWSTC –3 per RFC participated in training –Intense, comprehensive February training milestone is first activity to set migration in motionFebruary training milestone is first activity to set migration in motion 34 CAT Timeline & Activities

35. 35 As of February 2009 CAT continues to remain on schedule 35 CAT Timeline & Activities

36. 36 2009 Yet to be … March 2009 will open the Deltares USA officeMarch 2009 will open the Deltares USA office –Edwin Welles & Peter Gijsbers March 30-31 (CNRFC)March 30-31 (CNRFC) –CAT Workshop April 1 (HEC)April 1 (HEC) –Meeting to discuss/resolve development and maintenance of HEC adaptors April 28-May 1April 28-May 1 or May 5-8 HEC-RAS Training –Unsteady HEC-RAS training for NERFC and NWRFC April 13April 13 –Steady State (basic) training on HEC-RAS for ALL RFCS –HEC in Davis, CA 36 CAT Timeline & Activities

37. 37 2009 June 14-18June 14-18 –Software Update –Includes interactive and MODS capability June 22-26, 2009 (ABRFC)June 22-26, 2009 (ABRFC) –CAT Workshop –Training Sept 28-October 2 (NWRFC)Sept 28-October 2 (NWRFC) –CAT workshop December 14-18 (Silver Spring)December 14-18 (Silver Spring) –CAT Workshop 37 CAT Timeline & Activities

38. 38 CAT-II Migration Training 2007 2008 2009 2010 2011 2012 2007 2008 2009 2010 2011 2012 CAT RFCs 20102010 CAT-II Timeline and Workshops December 2009 Additional Software Acceptance/Testing May/June Deltares Visiting CAT-II RFCs Weekly CAT Calls Mar WS Jun WS Sep WS Jan WS Mar WS FEWS minor/major updates 2x/year CAT/OHD/DeltaresWorkshops Data Flow Changes OFSde/CHPSpstOperational Parallel Ops Migration BOC-II BOC-II Software DevelopmentHardware & Software Install BOCTodayToday CAT-II RFCs PilotsDemonstrations

39. 39 The CAT Team recognizes the CAT-II RFCs will have requirements not covered under the BOC. BOC-II will be the “minimum set of software, hardware, and information structure to operationally support” the CAT-II RFCsBOC-II will be the “minimum set of software, hardware, and information structure to operationally support” the CAT-II RFCs The BOC-II document is a reflection of the final BOCThe BOC-II document is a reflection of the final BOC Based on operational service delivery as of Jan 1, 2009Based on operational service delivery as of Jan 1, 2009 The CAT Team recognizes the CAT-II RFCs will have requirements not covered under the BOC. BOC-II will be the “minimum set of software, hardware, and information structure to operationally support” the CAT-II RFCsBOC-II will be the “minimum set of software, hardware, and information structure to operationally support” the CAT-II RFCs The BOC-II document is a reflection of the final BOCThe BOC-II document is a reflection of the final BOC Based on operational service delivery as of Jan 1, 2009Based on operational service delivery as of Jan 1, 2009 CAT-II Timeline & Activities

40. 40 BOC-II Basic Operating Capability for CAT-II → BOC-II will define the additional CAT-II requirements and control the migration process RFCs will need to inventory their configurations to determine the “additional” operations or models necessary to support CAT-II operationsRFCs will need to inventory their configurations to determine the “additional” operations or models necessary to support CAT-II operations CAT-II will also review the full end-to-end process and forecast systemCAT-II will also review the full end-to-end process and forecast system BOC-II Basic Operating Capability for CAT-II → BOC-II will define the additional CAT-II requirements and control the migration process RFCs will need to inventory their configurations to determine the “additional” operations or models necessary to support CAT-II operationsRFCs will need to inventory their configurations to determine the “additional” operations or models necessary to support CAT-II operations CAT-II will also review the full end-to-end process and forecast systemCAT-II will also review the full end-to-end process and forecast system CAT-II Timeline & Activities

41. 41 The CAT-II sites have been paired with a CAT RFC to help and support their migration project. ABRFCABRFC –SERFC, LMRFC, WGRFC CNRFCCNRFC –CBRFC, NCRFC NERFCNERFC –MARFC, OHRFC NWRFCNWRFC –MBRFC, APRFC RFC “Buddy” list

42. 42 2009 CAT-II participation has started…. Started monthly briefings for the CAT-II RFCsStarted monthly briefings for the CAT-II RFCs Available E-mail and new CAT-II list for questionsAvailable E-mail and new CAT-II list for questions Or just call one of the CATsOr just call one of the CATs Summer 2009 Deltares visiting CAT-II RFCs in May/June time periodSummer 2009 Deltares visiting CAT-II RFCs in May/June time period –Introductions –System briefings Initiate ~weekly CAT-II calls to iron out BOC-II Target final BOC-II document by May 2009 42 CAT-II Participation

43. 43 2010 – CAT II Jan 2-4 and Jan 11-15Jan 2-4 and Jan 11-15 –Migration training for CAT II including buddy RFCs, Deltares –2 groups 2010 CHPS Workshops (planned)2010 CHPS Workshops (planned) –March 29-April 2 –June 21-25 –Sept 27 – Oct 1 –Jan 10-14, 2011 –March 28-April 1, 2011 2010 Summer – National Workshop2010 Summer – National Workshop 2011 Summer – National Workshop2011 Summer – National Workshop 43 CAT-II Timeline & Activities

44. 44 CHPS Goals – CAT and CAT II Operations are a priority but…Operations are a priority but… Must achieve CHPS migration in order to retire NWSRFS by 2011Must achieve CHPS migration in order to retire NWSRFS by 2011 No resources to support dual systemsNo resources to support dual systems –OHD unable to support NWSRFS&CHPS –The RFC is in same position The CAT-II task is to prioritize the CHPS migration at the regional & office levelThe CAT-II task is to prioritize the CHPS migration at the regional & office level 44 CAT & CAT-II Goals

45. 45 2011 NWSRFS Retired Move forward onto other hydrology and science issues 45