A43G:
Toward Reducing Systematic Errors in Weather and Climate Models: Evaluation, Understanding, and Improvement I Poster

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Session ID#: 12620

Session Description:
Despite continuous advances in both weather and climate models, large errors persist in their simulated weather and climate. Describing and understanding the nature and causes of these errors through deep analysis and evaluation using observations is a first and critical step to improving models. This session invites presentations in the following areas: (1) Global and regional evaluation of weather and climate models such as those used in numerical weather prediction (NWP) and climate modeling centers and from major model intercomparison projects (e.g., CMIP3/CMIP5); (2) Process studies that utilize various modeling tools; (3) Diagnostics for model performance rooted in surface or satellite observations; and (4) Observational studies that have a direct bearing on understanding and improving model representations of convection, clouds, radiation, precipitation and their interactions. Understanding model errors in mean state or variability (diurnal, seasonal, etc.), in atmosphere, land, and coupled models are all of interest.
Primary Convener:  Shaocheng Xie, Lawrence Livermore National Laboratory, Livermore, United States
Conveners:  Brian Medeiros, National Center for Atmospheric Research, Boulder, CO, United States and Donghai Wang, Science Systems and Applications, Inc., Lanham, United States
Chairs:  Donghai Wang, Science Systems and Applications, Inc., Lanham, United States and Shaocheng Xie, Lawrence Livermore National Laboratory, Livermore, United States
OSPA Liaison:  Shaocheng Xie, Lawrence Livermore National Laboratory, Livermore, United States
Index Terms:

3311 Clouds and aerosols [ATMOSPHERIC PROCESSES]
3337 Global climate models [ATMOSPHERIC PROCESSES]
3354 Precipitation [ATMOSPHERIC PROCESSES]
3359 Radiative processes [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Improving the Forecasting of Persistent Severe Rainfall using the Spectral Nudging and Update Cycle Methods (125724)
Yanfeng Zhao, CAMS Chinese Academy of Meteorological Sciences, State Key Laboratory of Severe Weather, Beijing, China; NUIST Nanjing University of Information Science and Technology, Nanjing, China, Donghai Wang, Science Systems and Applications, Inc., Lanham, United States and Jianjun Xu, Guangdong Ocean University, College of ocean and atmosphere, Zhanjiang, China
Trade-wind Clouds in Community Atmosphere Model Hindcasts: Impacts of Resolution and Parameterized Physics (136095)
Brian Medeiros, National Center for Atmospheric Research, Boulder, CO, United States
Rossby wave errors and the gradient of PV at the tropopause (141352)
Benjamin John Harvey, National Centre for Atmospheric Science, Department of Meteorology, University of Reading, Reading, United Kingdom
Dissecting the Precipitation and Moisture Biases in CMIP5 Models (143826)
Mengmiao Yang, Center for Earth System Science, Tsinghua University, Beijing, China and Guangjun Zhang, Scripps Institution of Oceanography, La Jolla, CA, United States
Diurnal Cycle Climatology of Surface Layer and Boundary Layer Parameters in the Atmospheric Component of the GFDL Global Climate Model (150319)
Hyeyum Hailey Shin1,2, Yi Ming3, Ming Zhao3,4 and Jean-Christophe Golaz5, (1)NOAA, GFDL, Princeton, NJ, United States, (2)UCAR CPAESS, Boulder, CO, United States, (3)Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (4)University Corporation for Atmospheric Research, Boulder, CO, United States, (5)Lawrence Livermore National Laboratory, Livermore, CA, United States
What are the roles of air-sea coupling and resolution for the Northeast Pacific stratocumulus to cumulus transition in the Community Earth System Model? (136345)
Arianna Marie Varuolo-Clarke, University Corporation for Atmospheric Research, Boulder, United States; University of Colorado at Boulder, Boulder, United States, Brian Medeiros, National Center for Atmospheric Research, Boulder, CO, United States and Kevin A Reed, Stony Brook University, Stony Brook, NY, United States
A Process-Based Assessment of Decadal-Scale Surface Temperature Evolutions in Observations and in the NCAR CCSM4 Decadal Hindcast (141654)
Junwen Chen1,2, Yi Deng2, WenShi Lin1 and Song Yang3, (1)Sun Yat-Sen University, School of Atmospheric Sciences, Guangzhou, China, (2)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (3)Sun Yat-sen University, School of Atmospheric Sciences, Zhuhai, China
Diurnal Cycle of Clouds and Precipitation at the ARM SGP Site (144174)
Wei Zhao, University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, Roger Marchand, Applied Physics Laboratory University of Washington, Seattle, WA, United States and Qiang Fu, University of Washington, Atmospheric and Climate Science, Seattle, United States
Evaluation of dry precipitation bias over the Amazon using Climate Model Short-Range Hindcasts (126941)
Shaocheng Xie1, Kai Zhang2, Hsi-Yen Ma3, Rong Fu4 and Stephen A Klein3, (1)Lawrence Livermore National Laboratory, Livermore, United States, (2)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, (3)Lawrence Livermore National Laboratory, Livermore, CA, United States, (4)University of Texas at Austin, Department of Geological Sciences, Austin, TX, United States
Evaluation of ACCESS Model Cloud Properties Over the SouthernOcean Area Using Multiple-satellite ProductsSan Luo1,2 Zhian Sun2, Xiaogu Zheng1, Lawrie Rikus2 and Charmaine Franklin31 College of Global Change and Earth System Science, Beijing Normal University, China 2 Collaboration for Australian Weather and Climate Research3 CSIRO (148635)
San Luo, BNU Beijing Normal University, College of Global Change and Earth System Science, Beijing, China
Effects of ocean-atmosphere coupling on rainfall over the Indian Ocean and northwestern Pacific Ocean during boreal summer (150236)
Zhen-Qiang Zhou1, Shang-Ping Xie2 and Wenyu Zhou1, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)UCSD, Scripps Institution of Oceanography, La Jolla, United States
Effects of Convective Triggering Process in a Cumulus Parameterization Scheme on the Diurnal Variation of Precipitation over East Asia (153628)
Ji-Young Han1, So-Young Kim2, In-Jin Choi3 and Emilia Kyung Jin3, (1)KIAPS (Korea Institute of Atmospheric Prediction Systems), Physics Research Team, Seoul, South Korea, (2)KIAPS Korea Insititute of Atmospheric Prediction Systems, Seoul, Korea, Republic of (South), (3)KIAPS Korea Insititute of Atmospheric Prediction Systems, SEOUL, Korea, Republic of (South)
Optimization of microphysics in the Unified Model, using the Micro-genetic algorithm. (154919)
Jiyeon Jang1, Yonghee Lee2, Hoyong Lee3, Jeongsoon Lee3 and Sangwon Joo3, (1)KIAPS Korea Insititute of Atmospheric Prediction Systems, Seoul, South Korea, (2)National Institute of Meteorological Science, Daejeon, South Korea, (3)National Institute of Meteorological Science, Numerical Data Application Division, Seoul, Korea, Republic of (South)
Atmospheric Rivers in Climate Simulations: A Multi-model, Global Evaluation (169957)
Bin Guan, University of California Los Angeles, Los Angeles, CA, United States and Duane Edward Waliser, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Effects of Partial Cloudiness on Precipitation Processes in Regional and Global Models (195717)
So-Young Kim, KIAPS Korea Insititute of Atmospheric Prediction Systems, Seoul, Korea, Republic of (South)
Systematic Biases of Present-day’s Land Surface Air Temperature and Precipitation and Associated Tendency of Future Projection in the Asia Monsoon of the CMIP5 models (155633)
Tomoaki Ose, Meteorological Research Institute, Ibaraki, Japan
Introduction of the Multi-Model Ensemble Strategies Using Non-linear Genetic Algorithm: an Application to the prediction of Surface air temperature and Precipitation (155663)
Joonlee Lee and Joong-Bae Ahn, Pusan National University, Busan, Korea, Republic of (South)
Evaluation of rainstorm characteristics in a regional climate model (157940)
Jiali Wang1, Won Chang2, Veerabhadra Rao Kotamarthi3, Julian Marohnic2, Michael Stein4 and Elisabeth J Moyer5, (1)Argonne National Laboratory, Argonne, United States, (2)University of Chicago, Chicago, IL, United States, (3)Argonne National Laboratory, Lemont, IL, United States, (4)University of Chicago, Department of Statistics, Chicago, IL, United States, (5)University of Chicago, Department of the Geophysical Sciences, Chicago, United States
Multi-Year Application and Evaluation over U.S. using the Weather Research and Forecasting model with Chemistry and the Physics/Aerosol Packages from the Community Atmosphere Model version 5 (WRF-CAM5) (158536)
Chinmay Kumar Jena, Yang Zhang and Patrick C Campbell, North Carolina State University Raleigh, Raleigh, NC, United States
Representation of convection in the CNRM climate model during the CINDY-DYNAMO campaign (161412)
Ahmat Younous Abdel-lathif, CNRM (Météo-France and CNRS), AMACS, Toulouse, France, Romain Roehrig, CNRM (Météo-France and CNRS), Toulouse, France, Isabelle Beau, CNRM (CNRS and Météo-France), Toulouse, France and Hervé Douville, CNRM (Météo-France/CNRS), Toulouse, France
Using ARM Observations to Evaluate Climate Model Representation of Land-Atmosphere Coupling on the U.S. Southern Great Plains (166557)
Thomas J Phillips, Stephen A Klein, Hsi-Yen Ma and Qi Tang, Lawrence Livermore National Laboratory, Livermore, CA, United States
Investigating the Scale Dependence of SCM Simulated Clouds by Using Gridded Forcing Data at SGP (166871)
Shuaiqi Tang, Lawrence Livermore National Laboratory, Livermore, CA, United States, Minghua Zhang, Stony Brook University, Stony Brook, United States and Shaocheng Xie, Lawrence Livermore National Laboratory, Livermore, United States
Convective Scale Ensemble Prediction System in KMA for Early Warning of High Impact Weather (167383)
Seungwoo Lee, KMA Korea Meteorlogical Administration, NMC, Seoul, South Korea
Evaluation of the Medium Range Forecast from an Operational Model (167658)
Yoonjae Kim, National Institute of Meteorological Sciences, Seogwipo, South Korea, Deuk-Kyun Rha, KMA Korea Meteorlogical Administration, Seoul, Korea, Republic of (South), Junsu Kim, KMA Korea Meteorological Administration, Daejeon, South Korea and Seok Woo Son, Seoul National University, Seoul, Korea, Republic of (South)
Impact of High Resolution Land Surface Information on WRF Simulated Surface Temperature And Precipitation Over China (170928)
Ye Yu, CAREERI/CAS Cold and Arid Regions Environmental and Engineering Research Institute, Lanzhou, China, Jianjun He, Nankai University, College of Environmental Science & Engineering, Tianjin, China and DS Xia, Lanzhou University, MOE Key Laboratory of West China's Environmental System, College of Earth and Environmental Sciences, Lanzhou, China
Impacts of Convective Triggering on the Coupling of Convection and Diurnal Propagating Systems over the Southern Great Plains in CAM5 (172647)
Yi-Chi Wang1, Hua-Lu Pan1 and Huang-Hsiung Hsu2, (1)Research Center for Environmental Changes Academia Sinica, Taipei, Taiwan, (2)Academia Sinica, Taipei, Taiwan
Analog ensemble and Bayesian regression techniques to improve the wind speed prediction during extreme storms in the NE U.S. (183103)
Jaemo Yang1, Marina Astitha2, Luca Delle Monache3 and Stefano Alessandrini3, (1)University of Connecticut, Civil and Environmental Engineering, Groton, CT, United States, (2)University of Connecticut, Civil & Environmental Engineering, Groton, CT, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States
Evaluation of Historical CMIP5 Temperature and Precipitation Trends for NCA Climate Regions (184459)
Jinny Lee1, Paul C Loikith2, Kenneth Kunkel3, Hugo Lee4 and Duane Edward Waliser1, (1)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)Portland State University, Geography, Portland, OR, United States, (3)CICS-NC/NCDC, Asheville, NC, United States, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
Validation of Wavewatch III Model in BlackSea Using Different Re-Analysis Wind Data (188563)
Cagil Kirezci, Middle East Technical University, Civil Engineering, Ankara, Turkey and Gulizar Ozyurt Tarakcıoglu, Middle East Technical University, Ankara, Turkey
IMPROVING PRECIPITATION FORECAST FOR CANADIAN CATCHMENTS (195597)
Sanjeev Kumar Jha1, Durga Lal Shrestha2, Colleen Walford3, Doris N.S. Leong4, Evan Friesenhan3, David Campbell5 and Peter F Rasmussen1, (1)University of Manitoba, Winnipeg, MB, Canada, (2)CSIRO, Land & Water, Clayton, Australia, (3)Alberta River Forecast Center, Environment and Sustainable Resource Development, Government of Alberta, Edmonton, AB, Canada, (4)British Columbia River Forecast Center, Ministry of Forests, Lands and Natural Resource Operations, Victoria, BC, Canada, (5)British Columbia River Forecast Centre, Ministry of Forests, Lands, Natural Resource Operations and Rural Development, Water Management Branch, Victoria, Canada

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