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December 12, 2024:ssh mean for 1993 to 2022 offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.1 / biharmonic viscosity 0.1 / additional harmonic viscosity 0.7 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar with hv 1.0 (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected November 21, 2024:ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.1 / biharmonic viscosity 0.1 / additional harmonic viscosity 1.0 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar with hv 1.0 (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected November 17, 2024:ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.1 / biharmonic viscosity 0.1 / additional harmonic viscosity 1.0 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar with biharmonic 0.1 alone (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected October 7, 2024:ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.1 / biharmonic viscosity 0.1 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected Ausgust 12, 2024:ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.15 / biharmonic viscosity 0.1 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected July 17, 2024:ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / wind stress x 1.1 / biharmonic viscosity 0.1 / minimum vertical viscosity 1e-4 (3dVar open-mp) / CFB stress correction / Bottom roughness (z0b=0.001) / Ensemble perturbations x 4 / after 38-year spin-up simulation and 1-year 3dVar (recalculated 9-day coverage of SSHA data) / get_tsclim_monthly corected June 9, 2024:Wind stress x 1.0 /ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / Biharminic viscosity 0.1 / CFB stress correction / Bottom roughness (Z0B=0.001)/ minimum vertical viscosity 1e-4 / Bulletin-20240527 May 31, 2024:Wind stress x 1.0 /ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / Biharminic viscosity 0.3 / CFB stress correction / Bottom roughness (Z0B=0.001)/ minimum vertical viscosity 1e-4 Bulletin-20240519 May 24, 2024:Wind stress x 1.0 /ssh mean offset -20cm / a4dvar weight parameter (bg) 0.3 / Biharminic viscosity 0.3 / CFB stress correction / Bottom roughness / minimum vertical viscosity 1e-4 Bulletin-20240511 May 7, 2024:Wind stress x 1.0 /ssh mean offset -25cm / a4dvar weight parameter (bg) 0.3 / Biharminic viscosity 0.3 / CFB stress correction / Bottom roughness / minimum vertical viscosity 1e-4 Bulletin-20240425 February 9, 2024:Wind stress x 1.0 /ssh mean offset -25cm / a4dvar weight parameter (bg) 0.3 / additional harmonic viscosity 1.0 / minimum vertical viscosity 1e-4 diffusivity 0.1e-4 from Bulletin-20240128 January 18, 2024:Wind stress x 1.15, hybrid harmonic(0.6)-biharmonic viscosity(0.05), original bottom friction, 4th order baroclinic pressure gradient scheme, offset -25cm for mean sea surface height reference, a4dvar weight parameter (bg) 0.3 from Bulletin-20240104 January 2, 2024:Wind stress x 1.15, hybrid harmonic(0.6)-biharmonic viscosity(0.05), original bottom friction, 4th order baroclinic pressure gradient scheme, offset -25cm for mean sea surface height reference, a4dvar weight parameter (bg) 0.2 from Bulletin-20231219 December 25, 2023:Failed representation of the stable Kuroshio large meander and so interrupted the forecast experiments December 17, 2023:Wind stress x 1.1, hybrid harmonic(0.16)-biharmonic viscosity(0.05), original bottom friction, 4th order baroclinic pressure gradient scheme, offset -25cm for mean sea surface height reference, a4dvar weight parameter (bg) 0.15 from Bulletin-20231203 December 9, 2023:Wind stress x 1.1, hybrid harmonic(0.16)-biharmonic viscosity(0.05), original bottom friction, 4th order baroclinic pressure gradient scheme, offset -25cm for mean sea surface height reference, a4dvar weight parameter (bg) 0.2 from Bulletin-20231125 November 25, 2023:Wind stress x 1.1, hybrid harmonic(0.16)-biharmonic viscosity(0.05), original bottom friction, 4th order baroclinic pressure gradient scheme, offset -25cm for mean sea surface height reference from Bulletin-20231109 November 11, 2023:Wind stress x 1.1, hybrid harmonic-biharmonic viscosity, bottom friction by Varlamov et al. (2015), rotated baroclinic pressure gradient scheme from Bulletin-20231024 October 10, 2023:Ensenble Sensitivity Analysis targeting south of Muroto September 10, 2023:Introducing the strong relaxation toward the mgdsst climatology in climatrocgy forcng runs from Bulletin-20230829 August 15, 2023:Adding the ensemble NCEP-CFSv2 forcing (20-member) experiments August 4, 2023:Wind stress x 1.2 July 17, 2023:No reralxation to MGDSST monthly climatology July 06, 2023:Ensemble perturbations x (1.5 -> 2) July 03, 2023:Wind stress x 1.1 and Ensemble perturbations x (1 -> 1.5) June 26, 2023:Tentatively Opened |
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Kuroshio path prediction driven by the seasonal prediction and climatology forcings from the NCEP CFSv2 product. Surface velocities prediction driven by the seasonal prediction and climatology forcings from the NCEP CFSv2 product. Ensemble mean SST anomaly driven by the ensemble NCEP-CFSv2 forcings compared to SST climatological daily mean from JCOPE2M 1993-2022 data Ensemble mean SST difference between the forecast runs driven by the ensemble NCEP-CFSv2 and its climatology forcings Ensemble mean SST anomaly compared to SST climatological daily mean from JCOPE2M 1993-2022 data Ensemble mean SST difference between the forecast runs driven by the NCEP-CFSv2 and its climatology forcings Home Wind stress x 1.1 / bhv 0.1 / hv 0.7 / sshmean 93-22 / from 3dvar 20230708 20241119 20240604 Wind stress x 1.1 / bhv 0.1 / hv 0.6 / from 3dvar 20230708 20241119 20240604 Wind stress x 1.1 / bhv 0.1 / hv 1.0 / from 3dvar 20230708 20241111 20241103 20240706 20240604 20240503 20240401 20240229 20240128 20240104 20231203 20231101 20230930 Wind stress x 1.1 / bhv 0.1 / hv 1.0 / from 3dvar 20241014 20241103 Wind stress x 1.1 / bhv 3.0 / dte 4 / hv 0.6 20241103 Wind stress x 1.1 / bhv 3.0 / dte 6-4 20241103 20241026 20241026 dte 8 from bhv0.1-3dVar 20240604 20240104 20231203 20230930 20230829 20230728 Wind stress x 1.1 20241026 20241018 20241010 20241002 20240924 20240722 20240714 20240706 20240620 20240604 20240503 20240401 20240229 20240128 20240104 20231203 20231101 20230930 20230829 20230728 Wind stress x 1.15 20240916 20240908 20240831 20240823 20240815 20240807 20240730 20240722 20240706 20240604 20240503 20240401 20240229 20240128 20240104 20231203 20231101 20230930 20230829 20230728 20231203 / additional harmonic 0.1 20231203 / z0b=0.01 20231203 / z0b=0.1 Previous cases 2 Previous cases 1 CFSv2 original SST daily anomaly forecast MGDSST daily anomaly for valiation Ensemble Sensitivity Analysis targeting south of Muroto E-mail: jcope@jamstec.go.jp | |
