Increasing vertical resolution in US models to improve track forecasts of Hurricane Joaquin with HWRF as an example
Author(s)
Zhang, Banglin; Tallapragada, Vijay; Weng, Fuzhong; Liu, Qingfu; Sippel, Jason A.; Ma, Zaizhong; Bender, Morris A.; Lindzen, Richard Siegmund; ... Show more Show less
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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.
Date issued
2016-10Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary SciencesJournal
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
ISSN
0027-8424
1091-6490