Increasing vertical resolution in US models to improve track forecasts of Hurricane Joaquin with HWRF as an example
Name
Zhang-2016-Increasing vertical resolution in U.pdf
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4.81 MB
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Author(s)
Zhang, Banglin
Tallapragada, Vijay
Weng, Fuzhong
Liu, Qingfu
Sippel, Jason A.
Ma, Zaizhong
Bender, Morris A.
Lindzen, Richard Siegmund
Date Issued
October 2016
Journal
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences (U.S.)
Citation
Zhang, Banglin; Lindzen, Richard S.; Tallapragada, Vijay; Weng, Fuzhong; Liu, Qingfu; Sippel, Jason A.; Ma, Zaizhong and Bender, Morris A. “Increasing Vertical Resolution in US Models to Improve Track Forecasts of Hurricane Joaquin with HWRF as an Example.” Proceedings of the National Academy of Sciences 113, no. 42 (October 2016): 11765–11769. © 2016 National Academy of Sciences (U.S.)
Version
Final published version
Abstract
The atmosphere−ocean coupled Hurricane Weather Research and Forecast model (HWRF) developed at the National Centers for Environmental Prediction (NCEP) is used as an example to illustrate the impact of model vertical resolution on track forecasts of tropical cyclones. A number of HWRF forecasting experiments were carried out at different vertical resolutions for Hurricane Joaquin, which occurred from September 27 to October 8, 2015, in the Atlantic Basin. The results show that the track prediction for Hurricane Joaquin is much more accurate with higher vertical resolution. The positive impacts of higher vertical resolution on hurricane track forecasts suggest that National Oceanic and Atmospheric Administration/NCEP should upgrade both HWRF and the Global Forecast System to have more vertical levels.
MIT Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1073/pnas.1613800113
