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Author Liu, Y. ; Tan, Z.-M. ; Wu, Z.
Title Noninstantaneous Wave-CISK for the Interaction between Convective Heating and Low-Level Moisture Convergence in the Tropics Type $loc['typeJournal Article']
Year 2019 Publication Journal of the Atmospheric Sciences Abbreviated Journal J. Atmos. Sci.
Volume 76
Issue 7
Pages 2083-2101
Keywords Convection ; Diabatic heating ; Moisture ; moisture budget
Abstract The interaction between tropical convective heating and thermally forced circulation is investigated using a global dry primitive-equation model with the parameterization of wave-conditional instability of the second kind (CISK). It is demonstrated that deep convective heating can hardly sustain itself through the moisture convergence at low levels regardless of the fraction of immediate consumption of converged moisture. In contrast, when the fraction is large, shallow convective heating and its forced circulation exhibit preferred growth of small scales. As the “CISK catastrophe” mainly comes from the instantaneous characters of moisture-convection feedback in the conventional wave-CISK, a noninstantaneous wave-CISK is proposed, which highlights the accumulation-consumption (AC) time scale for the convective heating accumulation and/or the converged moisture consumption. In the new wave-CISK, once moisture is converged, the release of latent heat takes place gradually within an AC time scale. In this sense, convective heating is not only related to the instantaneous moisture convergence at the current time, but also to that which occurred in the past period of the AC time scale. The noninstantaneous wave-CISK could guarantee the occurrence of convective heating and/or moisture convergence at larger scales, and then favor the growth of long waves, and thus solve the problem of CISK catastrophe. With the new wave-CISK and AC time scale of 2 days, the simulated convective heating-driven system bears a large similarity to that of the observed convectively coupled Kelvin wave.
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ISSN 0022-4928
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Call Number COAPS @ user @
Serial 1065
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Author Maloney, E.D. ; Gettelman, A. ; Ming, Y. ; Neelin, J.D. ; Barrie, D. ; Mariotti, A. ; Chen, C.-C. ; Coleman, D.R.B. ; Kuo, Y.-H. ; Singh, B. ; Annamalai, H. ; Berg, A. ; Booth, J.F. ; Camargo, S.J. ; Dai, A. ; Gonzalez, A. ; Hafner, J. ; Jiang, X. ; Jing, X. ; Kim, D. ; Kumar, A. ; Moon, Y. ; Naud, C.M. ; Sobel, A.H. ; Suzuki, K. ; Wang, F. ; Wang, J. ; Wing, A.A. ; Xu, X. ; Zhao, M.
Title Process-Oriented Evaluation of Climate and Weather Forecasting Models Type $loc['typeJournal Article']
Year 2019 Publication Bulletin of the American Meteorological Society Abbreviated Journal Bull. Amer. Meteor. Soc.
Volume 100
Issue 9
Pages 1665-1686
Keywords
Abstract Realistic climate and weather prediction models are necessary to produce confidence in projections of future climate over many decades and predictions for days to seasons. These models must be physically justified and validated for multiple weather and climate processes. A key opportunity to accelerate model improvement is greater incorporation of process-oriented diagnostics (PODs) into standard packages that can be applied during the model development process, allowing the application of diagnostics to be repeatable across multiple model versions and used as a benchmark for model improvement. A POD characterizes a specific physical process or emergent behavior that is related to the ability to simulate an observed phenomenon. This paper describes the outcomes of activities by the Model Diagnostics Task Force (MDTF) under the NOAA Climate Program Office (CPO) Modeling, Analysis, Predictions and Projections (MAPP) program to promote development of PODs and their application to climate and weather prediction models. MDTF and modeling center perspectives on the need for expanded process-oriented diagnosis of models are presented. Multiple PODs developed by the MDTF are summarized, and an open-source software framework developed by the MDTF to aid application of PODs to centers' model development is presented in the context of other relevant community activities. The paper closes by discussing paths forward for the MDTF effort and for community process-oriented diagnosis.
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ISSN 0003-0007
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1088
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Author Hoffman, R.N. ; Privé, N. ; Bourassa, M.
Title Comments on “Reanalyses and Observations: What's the Difference?” Type $loc['typeJournal Article']
Year 2017 Publication Bulletin of the American Meteorological Society Abbreviated Journal Bull. Amer. Meteor. Soc.
Volume 98
Issue 11
Pages 2455-2459
Keywords GEOPHYSICAL DATA ; marine surface winds ; energy and water cycles
Abstract Are there important differences between reanalysis data and familiar observations and measurements? If so, what are they? This essay evaluates four possible answers that relate to: the role of inference, reliance on forecasts, the need to solve an ill-posed inverse problem, and understanding of errors and uncertainties. The last of these is argued to be most significant. The importance of characterizing uncertainties associated with results—whether those results are observations or measurements, analyses or reanalyses, or forecasts—is emphasized.
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ISSN 0003-0007
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Call Number COAPS @ rl18 @
Serial 990
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Author Legg, S. ; Briegleb, B. ; Chang, Y. ; Chassignet, E.P. ; Danabasoglu, G. ; Ezer, T. ; Gordon, A.L. ; Griffies, S. ; Hallberg, R. ; Jackson, L. ; Large, W. ; Özgökmen, T.M. ; Peters, H. ; Price, J. ; Riemenschneider, U. ; Wu, W. ; Xu, X. ; Yang, J.
Title Improving Oceanic Overflow Representation in Climate Models: The Gravity Current Entrainment Climate Process Team Type $loc['typeJournal Article']
Year 2009 Publication Bulletin of the American Meteorological Society Abbreviated Journal Bull. Amer. Meteor. Soc.
Volume 90
Issue 5
Pages 657-670
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ISSN 0003-0007
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Call Number COAPS @ mfield @
Serial 683
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Author Shin, D.W. ; Cocke, S. ; Larow, T.E.
Title Ensemble Configurations for Typhoon Precipitation Forecasts Type $loc['typeJournal Article']
Year 2003 Publication Journal of the Meteorological Society of Japan Abbreviated Journal
Volume 81
Issue 4
Pages 679-696
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ISSN 0026-1165
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 476
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Author Shin, D.W. ; Ahn, J.B.
Title Adaptive Use of TRMM Observations for Tropical Precipitation Forecasts Type $loc['typeJournal Article']
Year 2002 Publication Journal of the Meteorological Society of Japan Abbreviated Journal Jmsj
Volume 80
Issue 1
Pages 85-97
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ISSN 0026-1165
ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 831
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Author Bourassa, MA ; Weissman, DE
Title The development and application of a sea surface stress model function for the QuikSCAT and ADEOS-II SeaWinds scatterometers Type $loc['typeConference Article']
Year 2003 Publication IEEE International Symposium on Geoscience and Remote Sensing (IGARSS) Abbreviated Journal
Volume Issue Pages 239-241
Keywords component ; surface stress ; SeaWinds ; scatterometer ; validation
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Area Expedition Conference 23rd International Geoscience and Remote Sensing Symposium (IGARSS 2003)
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 485
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Author Weissman, D. E., H. Winterbottom, and M. A. Bourassa
Title The influence of rainfall upon scatterometer estimates for sea surface stress: applications to boundary layer parameterization and drag coefficient models within tropical cyclone environments Type $loc['typeConference Article']
Year 2010 Publication OCEANS 2010, MTS/IEEE Abbreviated Journal
Volume Issue Pages 1-7
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Call Number COAPS @ mfield @
Serial 582
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Author Weissman, D. E., H. Winterbottom, and M. A. Bourassa
Title Studies of the influence of rainfall upon scatterometer estimates for sea surface stress: applications to boundary layer parameterization and drag coefficient models within tropical cyclone environments Type $loc['typeConference Article']
Year 2010 Publication 2010 IEEE International Geoscience and Remote Sensing Symposium Abbreviated Journal
Volume Issue Pages 4154-4157
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Call Number COAPS @ mfield @
Serial 581
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Author Bourassa, M. A.
Title Uncertainty in scatterometer derived vorticity Type $loc['typeConference Article']
Year 2009 Publication 2009 IEEE International Geoscience and Remote Sensing Symposium Abbreviated Journal
Volume Issue Pages III-805 - III-808
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Funding OVWST
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Call Number COAPS @ mfield @
Serial 673
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