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Evaluating the Scales of Various GCMs in Resolving Slantwise Convections
| PI: |
Yongsheng Chen |
| Institution: |
National Center for Atmospheric Research |
| Additional Investigators: |
Peter Yau |
| Abstract: |
The slantwise convection is the leading candidate for some mesoscale cloud and precipitaion bands, which are not explicitly resolved in most of the current GCMs. We implemented a slantwise convection parameteriztion scheme in the Canadian GCM.Our preliminary results suggest that the simulated climate can be improved with this scheme. The excessive slantwise convective available potential energy (SCAPE) produced by the GCM is largely reduced.
By comparing the GCM model output with the analysis, especially the CAPE/SCAPE fields, we can assess whether implementing a slantwise convection parameterization scheme is necessary in various GCMs. |
| Publications: |
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