Modeling high-impact weather and climate: Lessons from a tropical cyclone perspective

Although the societal impact of a weather event increases with the rarity of the event, our current ability to assess extreme events and their impacts is limited by not only rarity but also by current model fidelity and a lack of understanding of the underlying physical processes. This challenge is driving fresh approaches to assess high-impact weather and climate. Recent lessons learned in modeling high-impact weather and climate are presented using the case of tropical cyclones as an illustrative example. Through examples using the Nested Regional Climate Model to dynamically downscale large-scale climate data, the need to treat bias in the driving data is illustrated. Domain size, location, and resolution are also shown to be critical and should be guided by the need to: include relevant regional climate physical processes; resolve key impact parameters; and to accurately simulate the response to changes in external forcing. The notion of sufficient model resolution is introduced together with the added value in combining dynamical and statistical assessments to fill out the parent distribution of high-impact parameters.

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Author Done, James
Holland, Greg
Bruyere, Cindy
Leung, L.
Suzuki-Parker, Asuka
Publisher UCAR/NCAR - Library
Publication Date 2012-06-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:06:57.949199
Metadata Record Identifier edu.ucar.opensky::technotes:499
Metadata Language eng; USA
Suggested Citation Done, James, Holland, Greg, Bruyere, Cindy, Leung, L., Suzuki-Parker, Asuka. (2012). Modeling high-impact weather and climate: Lessons from a tropical cyclone perspective. UCAR/NCAR - Library. Accessed 05 December 2023.

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