Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Jongil Han"'
Autor:
Weiguo Wang, Jongil Han, Junghoon Shin, Xiaomin Chen, Andrew Hazelton, Lin Zhu, Hyun-Sook Kim, Xu Li, Bin Liu, Qingfu Liu, John Steffen, Ruiyu Sun, Weizhong Zheng, Zhan Zhang, Fanglin Yang
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
This document summarizes the physics schemes used in two configurations of the first version of the operational Hurricane Analysis and Forecast System (HAFSv1) at NOAA NCEP. The physics package in HAFSv1 is the same as that used in NCEP global foreca
Externí odkaz:
https://doaj.org/article/6f6d1d96c49c41ae8323e95ed2fb1c2f
Publikováno v:
Monthly Weather Review. 150:3211-3227
A prognostic closure is introduced to, and evaluated in, NOAA’s Unified Forecast System. The closure addresses aspects that are not commonly represented in traditional cumulus convection parameterizations, and it departs from the previous assumptio
Autor:
Jialin Lin, Taotao Qian, Peter Bechtold, Georg Grell, Guang J. Zhang, Ping Zhu, Saulo R. Freitas, Hannah Barnes, Jongil Han
Publikováno v:
Atmosphere-Ocean. 60:422-476
Autor:
Jialin Lin, Taotao Qian, Howard B. Bluestein, Peter Ditlevsen, Hai Lin, Tatsuya Seiki, Eigo Tochimoto, Hannah Barnes, Peter Bechtold, Frederick H. Carr, Saulo R. Freitas, Steven J. Goodman, Georg Grell, Jongil Han, Philip Klotzbach, Woosub Roh, Masaki Satoh, Siegfried Schubert, Guang Zhang, Ping Zhu
Publikováno v:
Atmosphere-Ocean. 60:506-517
Autor:
Christopher S. Bretherton, Jongil Han
Publikováno v:
Weather and Forecasting. 34:869-886
A new turbulent kinetic energy (TKE)-based moist eddy-diffusivity mass-flux (EDMF) vertical turbulence mixing scheme (EDMF-TKE) is developed, where the nonlocal transport by large turbulent eddies is represented by a mass-flux (MF) scheme while the l
Publikováno v:
Weather and Forecasting. 32:2005-2017
The current operational NCEP Global Forecast System (GFS) cumulus convection schemes are updated with a scale-aware parameterization where the cloud mass flux decreases with increasing grid resolution. The ratio of advective time to convective turnov
Publikováno v:
Monthly Weather Review. 144:2125-2135
The sensitivity of a cumulus parameterization scheme (CPS) to a representation of precipitation production is examined. To do this, the parameter that determines the fraction of cloud condensate converted to precipitation in the simplified Arakawa–
Autor:
João Paulo Teixeira, Hua-Lu Pan, Christopher S. Bretherton, Jennifer K. Fletcher, Jongil Han, Ruiyu Sun, Marcin L. Witek
Publikováno v:
Weather and Forecasting. 31:341-352
The current operational eddy-diffusivity countergradient (EDCG) planetary boundary layer (PBL) scheme in the NCEP Global Forecast System (GFS) tends to underestimate the PBL growth in the convective boundary layer (CBL). To improve CBL growth, an edd
Publikováno v:
Weather and Forecasting. 29:1143-1154
The most recent version of the simplified Arakawa–Schubert (SAS) cumulus scheme in the National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) (GFS SAS) is implemented in the Weather Research and Forecasting (WRF) Model wi
Autor:
Christopher S. Bretherton, Jongil Han, Cecile Hannay, João Paulo Teixeira, Sungsu Park, C. Roberto Mechoso, Hua-Lu Pan, Heng Xiao, Ruiyu Sun
Publikováno v:
Climate Dynamics. 43:737-752
We present a diagnostic analysis of the marine low cloud climatology simulated by two state-of-the-art coupled atmosphere–ocean models: the National Center for Atmospheric Research community earth system model version 1 (CESM1) and the National Cen