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1. Introduction Four agencies issue tropical cyclone (TC) best-track datasets for the western North Pacific (WNP) basin. In addition to the World Meteorological Organization (WMO) Regional Specialized Meteorological Center (RSMC) in Tokyo, Japan, best-track datasets are issued by the Joint Typhoon Warning Center (JTWC) of the U.S. Navy, the China Meteorological Administration (CMA), and the Hong Kong Observatory (HKO). All four best-track datasets are included in the International Best Track
1. Introduction Four agencies issue tropical cyclone (TC) best-track datasets for the western North Pacific (WNP) basin. In addition to the World Meteorological Organization (WMO) Regional Specialized Meteorological Center (RSMC) in Tokyo, Japan, best-track datasets are issued by the Joint Typhoon Warning Center (JTWC) of the U.S. Navy, the China Meteorological Administration (CMA), and the Hong Kong Observatory (HKO). All four best-track datasets are included in the International Best Track
grants under the auspices of both the National Aeronautics and Space Administration (NASA) and the Japan Aerospace Exploration Agency (JAXA). D. Waliser’s contribution was carried out on behalf of the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. X. Jiang was also supported by the NSF Climate and Large-Scale Dynamics Program under Awards ATM-0934285 and AGS-1228302. APPENDIX Definitions of Acronyms AMIE ARM MJO Investigation Experiment AMMA African Monsoon
grants under the auspices of both the National Aeronautics and Space Administration (NASA) and the Japan Aerospace Exploration Agency (JAXA). D. Waliser’s contribution was carried out on behalf of the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. X. Jiang was also supported by the NSF Climate and Large-Scale Dynamics Program under Awards ATM-0934285 and AGS-1228302. APPENDIX Definitions of Acronyms AMIE ARM MJO Investigation Experiment AMMA African Monsoon
Meteorological Administration (KMA) has operationally implemented the Unified Model (UM) and its related pre-/postprocessing systems, imported from the Met Office ( Kay et al. 2013 ). The new EPS of the KMA is based on MOGREPS and uses ETKF with localization as the initial ensemble perturbation generation method. To verify that the ETKF method generates operational ensembles appropriately, it is necessary to understand the characteristics of the initial ensemble perturbations over the globe for statistically
Meteorological Administration (KMA) has operationally implemented the Unified Model (UM) and its related pre-/postprocessing systems, imported from the Met Office ( Kay et al. 2013 ). The new EPS of the KMA is based on MOGREPS and uses ETKF with localization as the initial ensemble perturbation generation method. To verify that the ETKF method generates operational ensembles appropriately, it is necessary to understand the characteristics of the initial ensemble perturbations over the globe for statistically
