Simulated Tropical Cyclone Climatology in the Tropical Channel Experiments

Part of the Springer Theses book series (Springer Theses)


As described in Chap. 1, coarse resolution GCMs are capable of producing hurricane-like vortices. However, they cannot resolve the hurricane core or the intensity of the hurricane. In addition, they cannot resolve the mesoscale processes that contribute to genesis. Coarse-resolution GCMs also have high tropical biases that generally underestimate precipitation, and also poorly simulate tropical modes such as monsoons and convectively coupled waves. Capturing these tropical modes is important to simulating TC genesis and development. Since current computing capacity is not sufficient to run global models at very high resolution over decadal time scales, an alternative is to nest a high-resolution mesoscale model within a GCM over a region of interest. This approach has been shown to improve the simulation of TC frequency and structure compared to those in GCMs and it is the general approach adopted here. The Advanced Research WRF model version 3 (ARW), has been adapted and nested within either reanalysis or a GCM to simulate regional climate as the Nested Regional Climate Model (NRCM). Such regional climate modeling is still in its infancy and there remains much to understand about simulating regional climate at high resolution. This work is an attempt to contribute to the understanding of high-resolution climate projection.


Convective System Mesoscale Convective System Parent Domain Main Development Region Child Domain 
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Copyright information

© Springer-Verlag Berlin Heidelberg  2012

Authors and Affiliations

  1. 1.School of Earth Atmospheric SciencesGeorgia Institute of TechnologyAtlantaUSA

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