Weather Research and Forecasting WRF model and Community Modeling and Analysis Systems CMAS

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Weather Research and Forecasting (WRF) model and
Community Modeling and Analysis Systems (CMAS)

• Daewon Byun
• University of Houston

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(No Transcript)
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On-Line Modeling
Off-Line Modeling
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Comparison of On-line and Off-line Modeling
Paradigms
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Comparison of On-line and Off-line Modeling
Paradigms
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Ideal One-Atmosphere Modeling
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Conclusion

• CMAQ is ready for combined one-atmosphere
  modeling
• convenient chemistry capability
• comprehensive process simulation
• versatile coding structure data handling
• maintains dynamic consistency
• uses generalized coordinates
• handles mass consistency problems

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Conclusion
Multiscale Capability

• Governing diffusion eq. in a generalized
  coordinates
• Conformal map projections
• Flexible vertical coordinate system
• Matching dry deposition algorithms
• Flux-form atmospheric diffusion and advection
• Schemes to maintain dynamic consistency
• Nesting techniques
• Subgrid scale modeling plume-in-grid

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The End.

• Have a Nice Day !