Presentations from the 2018 Annual WRF & MPAS Users’ Workshop

Lecture Series: Model Unification Efforts at NSF NCAR

LS-1	Singletrack Overview	Chris Davis, NSF NCAR/MMM	LS-1 Slides
LS-2	Dynamical Cores	Bill Skamarock, NSF NCAR/MMM, and Peter Lauritzen, NSF NCAR/CGD	LS-2 Slides
LS-3	Physics	Dave Gill, NSF NCAR/MMM, and Andrew Gettelman, NSF NCAR/CGD	LS-3 Slides
LS-4	Infrastructure	Mariana Vertenstein, Unidata/UCP, and Michael Duda, NSF NCAR/MMM	LS-4 Slides
LS-5	Data Assimilation and Singletrack	Chris Snyder, NSF NCAR/MMM, and Jeff Anderson, NSF NCAR/CISL
LS-6	Unified Chemistry and Singletrack	Mary Barth, NSF NCAR/ACOM	LS-6 Slides
LS-7	Land Surface Modeling (Community Terrestrial System Modeling - CTSM) and Singletrack	Martyn Clark, and Mike Barlage, NSF NCAR/RAL	LS-7 Slides

Annual Development Updates

Chair: Jordan Powers, NSF NCAR/MMM

1.1	The Weather Research and Forecasting Model: 2018 Annual Update	Jimy Dudhia, Mesoscale and Microscale Meteorology Laboratory, NSF National Center for Atmospheric Research	1.1 Abstract 1.1 Slides
1.2	WRFDA 2018 Update	Zhiquan Liu, Juanzhen Sun, Jamie Bresch, Mike Kavulich, Junmei Ban, Jonathan Guerrette, and Ying Zhang, NSF National Center for Atmospheric Research	1.2 Abstract 1.2 Slides
1.3	WRF-Chem V4.0: A summary of status and updates	Ahmadov, Ravan, Georg A. Grell, Ka Yee Wong, Stuart McKeen, Megan Bela, Li Zhang, National Oceanic and Atmospheric Administration/Earth System Research Laboratory and University of Colorado/Cooperative Institute for Research in Environmental Sciences, and many other directly contributing authors, NSF NCAR, Pacific Northwest National Laboratory, and other institutes	1.3 Abstract 1.3 Slides
1.4	Hurricane WRF: 2018 operational implementation and community support	Liu, Bin, I.M Systems Group, Inc. (IMSG Inc.) and National Oceanic and Atmospheric Administration(NOAA)/Environmental Modeling Center (EMC), Avichal Mehra, NOAA/EMC, Zhan Zhang, IMSG Inc. and NOAA/EMC, Kathryn Newman, National Center for Atmospheric Research (NCAR), Evan Kalina, NOAA/GSD and University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), Sergio Abarca, IMSG Inc. and NOAA/EMC, Ligia Bernardet, NOAA/Global Systems Division (GSD) and CU/CIRES, Mrinal Biswas, Laurie Carson, NCAR, Jili Dong, IMSG Inc. and NOAA/EMC, James Frimel, NOAA/GSD and Colorado State University/Cooperative Institute for Research in the Atmosphere, Evelyn Grell, NOAA/Physical Science Division, and CU/CIRES, Hyun-Sook Kim, IMSG Inc. and NOAA/EMC, Qingfu Liu, NOAA/EMC, Zaizhong Ma, Jessica Meixner, Dmitry Sheinin, IMSG Inc. and NOAA/EMC, Jason Sippel, NOAA/Hurricane Research Division, Biju Thomas, University of Rhode Island, Weiguo Wang, Henry Winterbottom, Keqin Wu, Lin Zhu, IMSG Inc. and NOAA/EMC, and Vijay Tallapragada, NOAA/EMC	1.4 Abstract 1.4 Slides
1.5	The Model for Prediction Across Scales Version 6.0 Release and Future Development Directions	Bill Skamarock and Michael Duda, MMM, NSF National Center for Atmospheric Research	1.5 Abstract 1.5 Slides

Other New Development

Chair: Todd Hutchinson, *The Weather Company, an IBM Business

2.1	New chemistry and diagnostics for the MOZART chemistry suite in WRF-Chem	Barth, Mary, Gabriele Pfister, Stacy Walters, Louisa Emmons, National Center for Atmospheric Research (NCAR), and Gustavo Cuchiara, University of Colorado and NCAR	2.1 Abstract 2.1 Slides
2.2	Improving the numerical efficiency of storm-scale NWP models	Wicker, Louis J., National Oceanic and Atmospheric Administration/National Severe Storms Laboratory	2.2 Abstract 2.2 Slides 2.2 Extended Abstract
2.3	Development of a multiscale modeling framework for urban simulations in the Weather Research and Forecasting model	Wiersema, David, University of California, Berkeley (UC Berkeley), Katherine Lundquist, Lawrence Livermore National Laboratory, and Fotini Katopodes Chow, UC Berkeley	2.3 Abstract 2.3 Slides
2.4	Progress towards a regional capability in MPAS-Atmosphere	Duda, Michael, William Skamarock, Soyoung Ha, National Center for Atmospheric Research, and and Sang-Hun Park, Yonsei University, South Korea	2.4 Abstract 2.4 Slides
2.5	Enhancing community collaborations through NWP software containers	Kavulich, Michael J., J. H. Gotway, M. Harrold, J. K. Wolff, K. Fossell, National Center for Atmospheric Research, Research Applications Laboratory	2.5 Abstract 2.5 Slides
2.6	Developmental Testbed Center: Status update and outlook	Nance, Louisa, National Center for Atmospheric Research (NCAR), Jeff Beck, National Oceanic and Atmospheric Administration (NOAA)/Earth System Research Laboratory (ESRL)/Global Systems Division (GSD) and Colorado State University/Cooperative Institute for Research in the Atmosphere (CSU/CIRA), Ligia Bernardet, NOAA/GSD and University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), Grant Firl and Michelle Harrold, NCAR, Ming Hu, NOAA/GSD and CU/CIRES, Tara Jensen, NCAR, Evan Kalina, NOAA/GSD and CU/CIRES, Kathryn Newman, NCAR, Dave Turner, NOAA/GSD, Jamie Wolff and Chunhua Zhou, NCAR	2.6 Abstract 2.6 Slides

Microphysics

Chair: Robert Fovell, University of Albany, SUNY

3.1	Predicting ice particle shape evolution in a bulk microphysics scheme	Jensen, Anders, National Center for Atmospheric Research	3.1 Abstract 3.1 Slides
3.2	Updates to the Aerosol-Aware Microphysics (Thompson-Eidhammer) scheme	Thompson, Gregory, Trude Eidhammer, and Mei Xu, National Center for Atmospheric Research/Research Applications Laboratory	3.2 Abstract 3.2 Slides
3.3	Addressing model uncertainty through stochastic parameter perturbations with the Thompson microphysics scheme as part of a High Resolution Rapid Refresh ensemble	Wolff, Jamie, National Center for Atmospheric Research (NCAR)/Research Application Laboratory (RAL) and Developmental Testbed Center (DTC), Greg Thompson, NCAR/RAL, Isidora Jankov, Jeffrey Beck, Colorado State University/Cooperative Institute for Research in the Atmosphere, affiliated with the National Oceanic and Atmospheric Administration/Earth System Research Laboratory and the DTC, Michelle Harrold, Michael Kavulich, Jr., and Lindsay Blank, NCAR/RAL and DTC	3.3 Abstract 3.3 Slides
3.4	Transport and entrainment of trace gases in a modeled and observed SEAC4RS case study of air mass thunderstorms	Cuchiara, G.C., National Center for Atmospheric Research (NCAR) and University of Colorado/Institute of Arctic and Alpine Research (CU/INSTAAR), M. Barth, NCAR, A. Fried, INSTAAR, C. Homeyer, University of Oklahoma/School of Meteorology, M. Bela, National Oceanic and Atmosphere Administration, Chemical Science Division, and N. Heath, United States Air Force Technical Applications Center	3.4 Abstract 3.4 Slides
3.5	Antarctic clouds simulated by Polar WRF and AMPS	Hines, Keith M., David H. Bromwich, and Sheng-Hung Wang, Byrd Polar and Climate Research Center, The Ohio State University	3.5 Abstract 3.5 Slides

Experimental Fire/Smoke Forecasting

Chair: Ravan Ahmadov, NOAA/ESRL/GSD

4.1	Improving prediction of aerosol and ozone formation from wildfire emissions in the western U.S.	Bela, M. M., S. A. McKeen, R. Ahmadov, University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU Boulder/CIRES) and National Oceanic and Atmospheric Administration (NOAA)/Earth System Research Laboratory (ESRL), G. Pereira, Universidade Federal de Sao Joao del-Rei, Brazil, S. R. Freitas, National Aeronautics and Space Administration (NASA)/Goddard Space Flight Center (GSFC), M. K. Trainer, NOAA/ESRL, W. M. Angevine, CIRES/CU Boulder and NOAA/ESRL, G. J. Frost, NOAA/ESRL, R. Volkamer, N. Kille, CU Boulder, A. Zelenyuk-Imre, L. Riihimaki, Pacific Northwest National Laboratory, R. B. Pierce, C. Schmidt, C. Weidinmyer, CIRES/CU Boulder, and P. E. Saide, University of California, Los Angeles
4.2	Wildfire smoke and volcanic ash forecasting over North America with the RAP and HRRR NWP systems	James, Eric, Ravan Ahmadov, University of Colorado/Cooperative Institute for Research in Environmental Sciences, Trevor Alcott, Georg Grell, and Curtis Alexander, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Systems Division	4.2 Abstract 4.2 Slides
4.3	Terrain-driven winds and gusts during the Thomas fire	Fovell, Robert, University at Albany, SUNY	4.3 Abstract 4.3 Slides
4.4	Adding wildfire smoke in real-time WRF forecasts	Mass, Cliff and David Ovens, University of Washington	4.4 Abstract 4.4 Slides
4.5	Wildfire pyroconvection and CAPE: buoyancy’s drying and atmospheric intensification	Bakhshaii, Atoossa and Edward Johnson, University of Calgary, Alberta, Canada	4.5 Abstract 4.5 Slides

Software Development

Chair: Dave Gill, NCAR

5.1	GPU developments for the WRF and MPAS Models	Adie, Jeff, Carl Ponder, and Alexey Romanenko, NVIDIA Corporation	5.1 Abstract 5.1 Slides
5.2	Improve WRF I/O performance – implementation of parallel IO	Huang, Wei, Hewlett Packard Enterprise Co.	5.2 Abstract 5.2 Slides
5.3	Plans for a GPU-accelerated MPAS-driven forecast system	Hutchinson, Todd, Brett Wilt, James Cipriani, John Wong, The Weather Company, an IBM Business, Rich Loft, Bill Skamarock, Michael Duda, Dave Gill, and Raghu Kumar, National Center for Atmospheric Research	5.3 Abstract 5.3 Slides
5.4	GIS4WRF - Overview of a new toolkit for pre- and post-processing in the Advanced Research WRF modelling framework	Meyer, D., Department of Meteorology, University of Reading, Reading, UK, and M. Riechert, Microsoft Research, Cambridge, UK
5.5	Acceleration of WRF on GPU	Abdi, Daniel, Sam Elliott, S. M. Iman Gohari, Don Berchoff, Gene Pache and John Manobianco, TempoQuest	5.5 Abstract 5.5 Slides
5.6	Community infrastructure for facilitating improvement and testing of physical parameterizations: the Common Community Physics Package (CCPP)	Heinzeller, Dom, Ligia Bernardet, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Systems Division (NOAA/ESRL/GSD), University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), and Developmental Testbed Center (DTC), Grant Firl, Laurie Carson, Don Stark, National Center for Atmospheric Research (NCAR) and DTC, Man Zhang, NOAA/ESRL/GSD, CU/CIRES and DTC, Jimy Dudhia, and Dave Gill, NCAR	5.6 Abstract 5.6 Slides

Improving Modeled Convection

Chair: Songyou Hong, KIAPS, South Korea

6.1	Analysis of the MPAS convective-permitting physics suite in the tropics with different parameterizations of convection	Fowler, Laura, Mary Barth, National Center for Atmospheric Research, Kiran Alapaty, United States Environmental Protection Agency, Mark Branson, and Don Dazlich, Colorado State University	6.1 Abstract 6.1 Slides
6.2	Tropical cyclones in global convection-permitting MPAS simulations	Judt, Falko, National Center for Atmospheric Research	6.2 Abstract 6.2 Slides
6.3	Impact of the cumulus scheme on model initialization of convective storms	Wong, May, Glen Romine, and Chris Snyder, National Center for Atmospheric Research	6.3 Abstract 6.3 Slides
6.4	The impacts of convection-permitting resolution on tropical convection and extended global prediction skill in MPAS	Weber, Nicholas and Clifford Mass, University of Washington	6.4 Abstract 6.4 Slides
6.5	Modeling convection using the Tiedtke cumulus scheme at different grid sizes	Wang, Wei, National Center for Atmospheric Research	6.5 Abstract 6.5 Slides
6.6	Progress in forecasting derechoes with the NCAR-WRF high-resolution ensemble	Weisman, Morris, Craig Schwartz, and Kevin Manning, National Center for Atmospheric Research	6.6 Abstract 6.6 Slides

Poster Session

Model Development

P1	The statistics of WRF	Powers, Jordan G., National Center for Atmospheric Research	P1 Abstract P1 Poster P1 Extended Abstract
P2	Fostering community involvement in the advancement of physical parameterizations for the NCEP Unified Forecast System	Bernardet, L., University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES) at NOAA Global Systems Division (NOAA/GSD), G. Firl, National Center for Atmospheric Research (NCAR), D. Heinzeller, CU/CIRES and NOAA/GSD, L. Carson, NCAR, M. Zhang, CU/CIRES and NOAA/GSD, M. Harrold, NCAR, J. Henderson, NOAA/GSD, J. Wolff, L. Xue, J. Dudhia, D. Stark, L. Nance, NCAR, and G. Grell, NOAA/GSD	P2 Abstract
P3	NU-WRF development and support at NASA GSFC	Cruz, Carlos, Science Systems and Applications, Inc., and National Aeronautics and Space Administration/Goddard Space Flight Center	P3 Abstract P3 Poster
P4	Sensitivity of a Bayesian atmospheric-transport inversion model to spatio-temporal sensor resolution	Jensen, Derek, Katherine Lundquist, and Donald Lucas, Lawrence Livermore National Laboratory	P4 Abstract
P5	Recent developments in planetary atmospheric modeling with WRF and MPAS	Toigo, Anthony, The Johns Hopkins University Applied Physics Laboratory, Mark Richardson, Aeolis Research (Aeolis), Chris Lee, University of Toronto, Canada, Yuan Lian, Aeolis, Michael Mischna, National Aeronautics and Space Administration/Jet Propulsion Laboratory, and Claire Newman, Aeolis	P5 Abstract
P6	Experimentation with vertical layer structure in MPAS-A	Bullock, Russ, Robert Gilliam, Jerold Herwehe, and Jon Pleim, United States Environmental Protection Agency
P7	A sensitivity study of convection parameterizations in MPAS-A utilized in conjunction with USEPA physics options	Herwehe, Jerold A., Robert C. Gilliam, O. Russell Bullock Jr., and Jonathan E. Pleim, United States Environmental Protection Agency	P7 Abstract P7 Poster
P8	Exascale computing in numerical weather prediction: massively parallel I/O in atmospheric models on conformal meshes	Heinzeller, Dom, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Systems Division (NOAA/ESRL/GSD), University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), and Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Germany (KIT/IMK-IFU), Michael Duda, National Center for Atmospheric Research/Mesoscale and Microscale Meteorology Laboratory, Thomas Schwitalla, University of Hohenheim, Institute of Physics and Meteorology, Germany, and Harald Kunstmann, KIT/IMK-IFU and University of Augsburg, Department of Geography, Germany	P8 Abstract
P9	Key applications of the Weather Research and Forecasting (WRF) model running on GPUs, AceCAST	Elliot, Samuel, S. M. Iman Gohari, Daniel Abdi, Donald Birchoff, and Gene Pache, TempoQuest Inc.	P9 Abstract

Data Assimilation

P10	MAD-WRF: A solar irradiance nowcasting system to support the Group on Earth Observations Vision for Energy (GEO-VENER)	Jimenez, Pedro A., G. Thompson, C. Snyder, S. E. Haupt, B. Andersen, A. Anderson, J. Bresch, B. Brown, G. Descombes, B. J. Jung, and J. A. Lee, National Center for Atmospheric Research	P10 Abstract
P11	MPAS-DART ensemble data assimilation system in polar regions	Riedel, Christopher, and Steven Cavallo, University of Oklahoma	P11 Abstract
P12	Testing and evaluation of the radar data assimilation for high resolution convective forecasts	Zhou, Chunhua, Ying Zhang, National Center for Atmospheric Research/Research Applications Laboratory (NCAR/RAL), Guoqing Ge, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Systems Division (NOAA/ESRL/GSD), Jonathan Vigh, NCAR/RAL, Ming Hu, NOAA/ESRL/GSD	P12 Abstract
P13	Impact of atmospheric data assimilation on the prediction of shallow and deep convective clouds near the SGP site during HI-SCALE	Tai, Sheng-Lun, Jerome Fast, and William Gustafson, Pacific Northwest National Laboratory	P13 Abstract
P14	A new forward operator for assimilating water-vapor mixing ratio profiles into the WRF-DA system and its impact study	Thundathil, Rohith, Thomas Schwitalla, Andreas Behrendt, Shravan Kumar Muppa, Stephan Adam, and Volker Wulfmeyer, Institute of Physics and Meteorology, University of Hohenheim, Germany	P14 Abstract P14 Poster
P15	Multiscale modeling for tactical Army nowcasting	Dumais, Robert, Brian Reen and Huaqing Cai, United States Army Research Laboratory	P15 Abstract

Chemistry

P16	Source attribution of tropospheric ozone in WRF-Chem using a tagging technique	Lupascu, Aurelia, and Tim Butler, Institute for Advanced Sustainability Studies, Potsdam, Germany	P16 Abstract
P17	Chemical characteristics and ozone production in the Northern Colorado Front Range	Pfister, Gabriele, Mary Barth, Stacy Walters, Frank Flocke, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, William Vizuete, Chi-Tsan Wang, University of North Carolina, Department of Environmental Sciences and Engineering	P17 Abstract P17 Poster
P18	Characterization of stratospheric ozone intrusion into the troposphere based on the hemispheric-scale modeling	Itahashi, Syuichi, North Carolina State University (NCSU), and Central Research Institute of Electric Power Industry, Japan, Rohit Mathur, Christian Hogrefe, United States Environmental Protection Agency, and Yang Zhang, NCSU	P18 Abstract
P19	Sub-kilometer mobile emissions grid and dispersion model for Medellin, Colombia	Henao, Juan J., John F. Mejia, Department of Atmospheric Science, Desert Research Institute, Angela M. Rendon and Juan F. Salazar, Universidad de Antioquia, Colombia	P19 Abstract P19 Poster

Regional Climate

P20	High-resolution future climate change simulation in Alaska using a pseudo-global warming Scenario	Newman, Andrew J., National Center for Atmospheric Research (NCAR), Andrew J. Monaghan, University of Colorado, Martyn P. Clark, Kyoko Ikeda, Lulin Xue, NCAR, and Jeff. R. Arnold, United States Army Corps of Engineers	P20 Abstract
P21	Sensitivity study of tropical cyclone activity for a long-term simulation using MPAS_VM with 120-23km	Hashimoto, Atsushi, Central Research Institute of Electric Power Industry, Japan, James M. Done, Laura D. Fowler, and Cindy L. Bruyere, National Center for Atmospheric Research	P21 Abstract P21 Poster
P22	The effect of drying and irrigation on the local climate with WRF-ARW model: a case of the Po Valley (Italy)	Valmassoi, Arianna, Earth Institute, Department of Planning and Environmental Policy, University College Dublin, Richview, Dublin 14, Jimy Dudhia, National Center for Atmospheric Research, Silvana Di Sabatino, Department of Physics and Astronomy, University of Bologna, Italy, Francesco Pilla, Earth Institute, Department of Planning and Environmental Policy, University College Dublin, Richview, Dublin 14	P22 Abstract P22 Poster
P23	Future changes of precipitation, temperature and evapotranspiration for the Continental United States	Tewari, Mukul, International Business Machines Corporation (IBM), Thomas J. Watson Research Center, Campbell D. Watson, Lloyd A. Treinish, Luke A. Winslow, and Kevin C. Rose, Rensselaer Polytechnic Institute	P23 Abstract
P24	Initial development for simulating land surface change impacts on climate in the northern plains	Scott, Aaron, and Aaron Kennedy, University of North Dakota	P24 Abstract
P25	Regional climate simulations with WRF/Noah-MP: Validation and the effect of crop and groundwater modules	Barlage, Michael, National Center for Atmospheric Research/Research Applications Laboratory/Hydrometerological Applications	P25 Abstract

Model Evaluation

P26	Effects of the deep convection schemes in variable-resolution aquaplanet simulations using CAM-MPAS	Jang, Jihyeon, National Center for Atmospheric Research (NCAR), Sang-Hun Park, Yonsei University, South Korea, Colin M. Zarzycki, William C. Skamarock, NCAR, and L. Ruby Leung, Pacific Northwest National Laboratory	P26 Abstract
P27	Performance of MPAS for tropical cyclone prediction in 2016, 2017 seasons	Wang, Wei, David Ahijevych, Chris Davis and Bill Skamarock, National Center for Atmospheric Research/Mesoscale and Microscale Meteorology Laboratory	P27 Abstract
P28	NU-WRF-LIS coupled simulation experiments of Tropical Storm Kelvin (2018) and the Brown Ocean Effect	Yoo, Jinwoong, Joseph Santanello, Sujay Kumar, National Aeronautics and Space Administration/Goddard Space Flight Center, and Marshall Shepherd, University of Georgia	P28 Abstract P28 Poster
P29	WRF simulations of the heavy rainfall in Northern Kyushu, July 2017	Inaba, Naoki, Nozomu Takada, Koji Sakamoto, and Ayako Kimoto, Meteorological Engineering Center Inc., Japan	P29 Abstract
P30	Numerical evaluation of the influence of urbanization in the convection and precipitation patterns in the metropolitan region of Sao Paulo (Brazil)	Rangel, Rafael H O, Federal University of Rio de Janeiro, Brazil, de Souza, Carolina V. F., and Marcio Cataldi, Fluminense Federal University, Brazil	P30 Abstract
P31	Model evaluation of high-resolution urban climate simulation: WRF ARW/LSM/SLUCM model as a case study	Li, Zhiqiang, The Chinese University of Hong Kong, Hong Kong	P31 Abstract P31 Poster P31 Extended Abstract
P32	Numerical investigation of a heavy snowfall event over the tropical Andes	Zamuriano, Marcelo, Oeschger Center for Climate Change Research and Institute of Geography, University of Bern, Switzerland	P32 Abstract
P33	Downslope wind storm study in a wind farm area on the Isthmus of Tehuantepec using WRF high-resolution simulations	Prosper Fernandez, Miguel Angel, University of Santiago de Compostela, Spain, Ian Sosa Tinoco, Technical Institute of Sonora, Mexico, Carlos Otero Casal, and Gonzalo Miguez-Macho, University of Santiago de Compostela, Spain	P33 Abstract
P34	Mean annual wake study for a wind farm in the province of Jiangsu (China)	Prosper Fernandez, Miguel Angel, University of Santiago de Compostela, Spain, Liu Zhao, Xu Dong, Xinjiang, Goldwind Science & Technology Co., Carlos Otero Casal, and Gonzalo Miguez-Macho, University of Santiago de Compostela, Spain	P34 Abstract
P35	Mesoscale impacts of wind farms: study of the wind farm scheme of the WRF-ARW model	Ramon, Jaume, University of Barcelona (UB), Alex Montornes, Vortex, and Mireia Udina, UB	P35 Abstract
P36	Study of the role of the Great Lakes as moisture sources in the famous November 2014 severe lake-effect snowstorm using a moisture tagging capability in WRF	Insua-Costa, Damian and Gonzalo Miguez-Macho, Universidade de Santiago de Compostela, Spain	P36 Abstract
P37	A case study evaluation of fog simulation using various land-surface models and micro-physics schemes	Eder, Brian, Robert Gilliam, Donna Schwede, United States Environmental Protection Agency (U.S. EPA), Patrick Campbell, National Oceanic and Atmospheric Administration/National Research Council Fellowship Participant and U.S. EPA, and Mellissa Wrzesien, Oak Ridge Institute for Science and Education Intern, and U.S. EPA	P37 Abstract
P38	The impact of SST on the wind and air temperature simulations: a case study for the coastal region of the Rio de Janeiro state	Dragaud, Ian, Cunha D. Viana, Mauricio Soares da Silvaa, Alberto Luiz Coimbra, Institute of Post-Graduation and Research in Engineering (COPPE), Federal University of Rio de Janeiro (UFRJ), Brazil, Luiz Paulo F. Assadb, Department of Meteorology, Geoscience Institute (IGEO), and UFRJ, Marcio Cataldic, Department of Agriculture and Environmental Engineering, Post-Graduation in Biosystems Engineering, Fluminense Federal University, Brazil, Luiz Landaua, Renato N. Eliasa, COPPE/UFRJ, Luiz Claudio G. Pimentelb, IGEO/UFRJ, and Jimy Dudhia, Mesoscale and Microscale Meteorology Laboratory, National Center for Atmospheric Research	P38 Abstract P38 Extended Abstract
P41	Using SURFRAD and CERES datasets to evaluate physics parameterizations	Harrold, Michelle, National Center for Atmospheric Research/Research Applications Laboratory (NCAR/RAL) and Developmental Testbed Center (DTC), Man Zhang, National Oceanic and Atmospheric Administration/Earth System Research Laboratory (NOAA/ESRL), University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), and DTC, Jamie Wolff, NCAR/RAL and DTC, Ligia Bernardet, NOAA/ESRL, CU/CIRES, and DTC, and Judy Henderson, NOAA/ESRL and DTC	P41 Abstract
P42	Verification of FV3 forecasts using the Model Evaluation for Research Innovation Transition (MERIT) testing framework	Hertneky, Tracy, National Center for Atmospheric Research (NCAR) and Developmental Testbed Center (DTC), Gerard Ketefian, University of Colorado/Cooperative Institute for Research in Environmental Sciences at National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Systems Division (NOAA/ESRL/GSD), Jeff Beck, Isidora Jankov, Colorado State University/Cooperative Institute for Research in the Atmosphere at NOAA/ESRL/GSD, Jamie Wolff, Christopher Williams, Michelle Harrold, and Lindsay Blank, NCAR and DTC	P42 Abstract P42 Poster
P43	Sensitivity of simulated convection-driven stratosphere-troposphere exchange in WRF-Chem to the choice of physical and chemical parameterization	Phoenix, Daniel, Cameron Homeyer, University of Oklahoma, and Mary Barth, National Center for Atmospheric Research	P43 Abstract P43 Poster
P44	Using less conventional observations to identify model physics errors in a CONUS-wide ensemble	Gallagher, Alex, and Rob Fovell, The State University of New York, Albany	P44 Abstract
P45	Running WRF operationally at AWS using OBSGRID	Carpenter Jr., Richard L., Weather Decision Tech	P45 Abstract P45 Poster P45 Extended Abstract
P46	The Model Evaluation Tools: recent advances	Halley Gotway, J., T. L. Jensen, R. Bullock, H. Soh, and J. Prestopnik, National Center for Atmospheric Research and Developmental Testbed Center	P46 Abstract
P47	Transparency in model testing and evaluation - Input needed for DTC workshop	Jensen, T. L., National Center for Atmospheric Research (NCAR) and Developmental Testbed Center (DTC), L. R. Bernardet, University of Colorado/Cooperative Institute for Research in Environmental Sciences, National Oceanic and Atmospheric Administration (NOAA)/Global Systems Division, and Developmental Testbed Center (DTC), J. Levitt, NOAA/Environmental Modeling Center, I. Stajner, NOAA/Office of Science and Technology Integration, and L. Nance, NCAR and DTC	P47 Abstract

Model Physics

P48	A mosaic approach to land cover characterization in MPAS-A	Campbell, Patrick C., Jesse O. Bash, Jerold A. Herwehe, and Robert Gilliam, United States Environmental Protection Agency	P48 Abstract
P49	Coupling of a detailed snow model to Noah-MP in WRF-Hydro for glacier mass balance and glacier runoff studies	Eidhammer, Trude, Roy Rasmussen, and Dave Gochis, National Center for Atmospheric Research	P49 Abstract
P50	Impact of satellite and model based soil moisture initial conditions on coupled NU-WRF simulations	Santanello, Joseph, National Aeronautics and Space Administration/Goddard Space Flight Center (NASA/GSFC), Patricia Lawston, Earth System Science Interdisciplinary Center/University of Maryland, College Park (UMCP), Sujay Kumar, NASA/GSFC, and Eli Dennis, UMCP	P50 Abstract
P51	Sensitivity of HWRF simulations to parameter variations in the Grell-Freitas convection scheme	Grell, Evelyn, University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES) at the National Oceanic and Atmospheric Administration (NOAA)/Earth System Research Laboratory (ESRL)/Physical Science Division (PSD), and Developmental Testbed Center (DTC), Mrinal Biswas, DTC and National Center for Atmospheric Administration (NCAR), Georg Grell, NOAA/ESRL/Global Systems Division (GSD), Evan Kalina, CU/CIRES and NOAA/ESRL/GSD, Kathryn Newman, DTC and NCAR, Ligia Bernardet, CIRES, NOAA/ESRL/GSD and DTC, Laurie Carson, DTC and NCAR, and James Frimel, NOAA/ESRL/GSD, DTC, and Colorado State University/Cooperative Institute for Research in the Atmosphere	P51 Abstract
P52	Testing of the Grell-Freitas convective scheme with HWRF	Biswas, Mrinal K., K. Newman, Developmental Testbed Center (DTC) and National Center for Atmospheric Research (NCAR), E. Kalina, E. Grell, L. Bernardet, DTC, National Oceanic and Atmospheric Administration (NOAA)/Earth System Research Laboratory (ESRL), and University of Colorado/Cooperative Institute for Research in Environmental Sciences (CU/CIRES), J. Zhang, NOAA/Atlantic Oceanographic and Meteorological Laboratory/Hurricane Research Division, G. Grell, NOAA/ESRL, L. Carson, DTC/NCAR, and J. Frimel, NOAA/ESRL and Colorado State University/Cooperative Institute for Research in the Atmosphere	P52 Abstract
P53	Analysis of seasonally-dependent bias in WRF PBL schemes for the southern Appalachian Mountains	Thaxton, Chris and Quinlin Riggs, Appalachian State University	P53 Abstract P53 Poster
P54	A new subgrid-scale orographic drag parameterization suite for the RAP/HRRR model	Toy, Michael D., Joseph B. Olson, Tanya G. Smirnova, Jaymes S. Kenyon, John M. Brown, Georg A. Grell, National Oceanic and Atmospheric Administration/Earth System Research Laboratory, and University of Colorado/Cooperative Institute for Research in Environmental Sciences	P54 Abstract P54 Poster
P55	Including stochastic parameter perturbations into Thompson-Eidhammer microphysics scheme	Thompson, Gregory, Judith Berner, National Center for Atmospheric Research, Jason Otkin, Sarah Griffin, University of Wisconsin/Cooperative Institute for Meteorological Satellite Studies, and Fanyou Kong, University of Oklahoma/Center for Analysis and Prediction of Storms	P55 Abstract
P56	Development of NTU triple-moment ice-phase microphysics scheme with consideration of particle shape and density variation	Chen, Jen-Ping, Tzu-Chin Tsai, Department of Atmospheric Sciences, National Taiwan University	P56 Abstract P56 Poster P56 Extended Abstract

Real-time Forecast Development & Verification

Chair: Cliff Mass, Department of Atmospheric Sciences, University of Washington

8.1	Seasonal variation of the surface wind forecast performance of the 3km-grid WRF-RTFDDA forecasting system over China	Pan, Linlin, Yubao Liu, Gregory Roux, Yuewei Liu, Luca Delle Monache, National Center for Atmospheric Research, Ju Hu, Shuanglong Jin, and Shuanglei Feng, Chinese Electric Power Research Institute, SGCC, China	8.1 Abstract 8.1 Slides
8.2	The operational future of the Rapid-Refresh (RAP) and High-Resolution Rapid Refresh (HRRR)	Alexander, Curtis, Steve Weygandt, Stan Benjamin, David Dowell, National Oceanic and Atmospheric Administration (NOAA), Ming Hu, Tanya Smirnova, Joe Olson, Jaymes Kenyon, NOAA and University of Colorado/Cooperative Institute for Research in Environmental Sciences (CIRES), Georg Grell, NOAA, Eric James, NOAA and CIRES, Haidao Lin, NOAA and Colorado State University/Cooperative Institute for Research in the Atmosphere (CIRA), Terra Ladwig, NOAA and CIRES, John Brown, Trevor Alcott, NOAA, and Isidora Jankov, NOAA and CIRA	8.2 Abstract 8.2 Slides
8.3	Current MPAS development and forecast skill improvement for Weather Company operations	Cipriani, James P., Brett A. Wilt, John Wong, and Todd A. Hutchinson, The Weather Company, an IBM Business
8.4	Long-term precipitation biases and evaluation of simulated rain characteristics in the Pacific Northwest	Conrick, Robert, and Clifford F. Mass, University of Washington	8.4 Abstract 8.4 Slides
8.5	A globally relocatable high-resolution WRF realtime forecast system for renewable energy	Deng, Aijun, Younghun Kim, Srivats Shukla, Wander Wadman and Ali Mohammed, Utopus Insights, INC. Valhalla, NY, USA	8.5 Abstract 8.5 Slides 8.5 Extended Abstract
8.6	Why resolution matters when using WRF to drive hydrology and hydrodynamic models	Watson, Campbell D., Guillaume Auger, James P. Cipriani, Eli M. Dow, Michael E. Henderson, Harry R. Kolar, Mukul Tewari, Lloyd A. Treinish, IBM Research, TJ Watson Research Center, Yorktown Heights, NY 8.6 Abstract 8.6 Slides
8.7	Assessing ensemble forecast performance for select members available in the Community Leveraged Unified Ensemble (CLUE) during 2017 Hazardous Weather Testbed Spring Forecasting Experiment (HWT-SFE)	Blank/ Lindsay, Jamie K. Wolff, Michelle Harrold, National Center for Atmospheric research and Developmental Testbed Center (DTC), and Jeff Beck, Colorado State University/Cooperative Institute for Research in the Atmosphere/Affiliated with National Oceanic and Atmospheric Administration/Earth System Research Laboratory/ Global Systems Division, and Developmental Testbed Center (DTC)	8.7 Abstract 8.7 Slides

PBL & Land Surface Physics

Chair: Mike Barlage, NCAR

9.1	Recent advances in three-dimensional turbulent mixing parameterization in the WRF model	Jimenez, Pedro A., National Center for Atmospheric research (NCAR), Alberto Martilli, CIEMAT, Spain, and Branko Kosovic, NCAR	9.1 Abstract 9.1 Slides
9.2	The influence of boundary layer mixing on the evolution of an extratropical cyclone	Vaughan, Matthew, and Robert Fovell, University at Albany	9.2 Abstract 9.2 Slides
9.3	Sensitivity of urban canopy and land surface models to input land cover data	Shaffer, Stephen R., Arizona State University	9.3 Abstract 9.3 Slides
9.4	Evaluation of a gray-zone PBL scheme at sub-kilometer resolutions	Hong, Song-You, Korea Institute of Atmospheric Prediction Systems	9.4 Abstract 9.4 Slides
9.5	Evaluation of the boundary layer temperature and moisture fields in the Hurricane Weather Research and Forecast (HWRF) system	Kalina, Evan, University of Colorado/Cooperative Institute for Research in Environmental Sciences (CIRES) at the National Oceanic and Atmospheric Administration’s Global Systems Division (NOAA/GSD) and the Developmental Testbed Center (DTC), Mrinal Biswas, Kathryn Newman, National Center for Atmospheric Research (NCAR) and DTC, Evelyn Grell, CIRES at NOAA’s Physical Sciences Division (NOAA/PSD) and DTC, Georg Grell, NOAA/GSD, Joseph Cione, NOAA/PSD and NOAA’s Hurricane Research Division (NOAA/HRD), Kelly Ryan, University of Miami/Cooperative Institute for Marine and Atmospheric Studies (CIMAS) and NOAA/HRD, Bin Liu, NOAA’s Environmental Modeling Center (NOAA/EMC) and I.M. Systems Group, Inc. (IMSG), Zhan Zhang, NOAA/EMC, James Frimel, Colorado State University/Cooperative Institute for Research in the Atmosphere at NOAA/GSD and DTC, and Laurie Carson, NCAR and DTC	9.5 Abstract 9.5 Slides

Local to Global Modeling

Chair: Lou Wicker, National Severe Storms Laboratory/NOAA

10.1	WRF-LES episode III: the microscale awakens	Montornes, Alex, Pau Casso, Gil Lizcano, Vortex, and Branko Kosovic, National Center for Atmospheric Research	10.1 Abstract 10.1 Slides
10.2	Sensitivity of wind turbine array downstream effects to the parameterization used in WRF	Shepherd, Tristan J, Cornell University (CU), Patrick Volker, Technical University of Denmark (DTU), Denmark, Rebecca J Barthelmie, CU, Andrea N Hahmann, DTU, and Sara C Pryor, CU	10.1 Abstract 10.1 Slides
10.3	Forcing data at WRF lateral boundary corner and its impact on storm intensification - a case study through mid-latitude cyclone Christian	Imberger, Marc, Xiaoli Guo Larsen, Jianting Du, and Neil Davis, Department of Wind Energy, Technical University of Denmark, Denmark	10.1 Abstract 10.1 Slides 10.3 Extended Abstract
10.4	Vertical resolution, energetics and dissipation in high-resolution atmospheric simulations	Skamarock, Bill, Chris Snyder, Joe Klemp, National Center for Atmospheric Research, and Sang-Hun Park, Yonsei University, South Korea	10.1 Abstract 10.1 Slides
10.5	Global convection-allowing ensemble forecasts with MPAS	Schwartz, Craig, and Ryan Sobash, National Center for Atmospheric Research	10.1 Abstract 10.1 Slides
10.6	Preparing MPAS-A for global retrospective air quality modeling: An evaluation of a 2016 simulation with comparisons to WRF	Gilliam, Robert, Jerold Herwehe, Russell Bullock and Jonathan Pleim, United States Environmental Protection Agency	10.1 Abstract 10.1 Slides

Instructional Sessions

• Visualizing WRF-ARW and MPAS Data Using NCL, NCL Slides

• Proper Care and Feeding of your Cloud-based WRF (WRF in the Cloud), AWS WRF in the Cloud Slides

• VAPOR

• Building a WRF Workflow with Scala Computing (WRF in the Cloud)

• Analyzing and Visualizing WRF-ARW Data Using WRF-Python and other Python Tools

• Simplifying End-to-end Numerical Modeling Using Software Containers (WRF in Docker)