Wind and Rain Modeling and Forecasts for Hawaii and Pacific Islands

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Team Leader:
Prof. Yi-Leng Chen

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Thank you for your interests in Rain and Wind Study Group in Hawaii

We are focusing on the following areas:

Mesoscale Weather and Modeling
Island-Induced Circulations
Heavy Rainfall and High Winds
Tropical Cyclone Initialization and Modeling
Regional Climate

High Resolution Numerical Weather Prediction over the Hawaiian Islands, Samoa Islands and the West Pacific

https://www.pacioos.hawaii.edu/

Carlis, D., L., Y.-L. Chen, and V. Morris, 2010: Numerical simulations of island-scale airflow and the Maui vortex during summer trade-wind conditions. Mon. Wea. Rev., 138, 2706-2736.
Chen, S-.Y, Y.-H. Kuo, and C.-Y. Huang; 2020: The impact of GPS RO data on the prediction of tropical cyclogenesis using a nonlocal observation operator: An initial assessment. Mon. Wea. Rev., 148, 2701-2717.
Chen, Y.-L., and A. J. Nash, 1994: Diurnal variation of surface airflow and rainfall frequencies on the island of Hawai‘i. Mon. Wea. Rev., 122, 34-56.
Hitzl, D.E., Y.-L. Chen, and F. Hsiao, 2020: Wintertime easterly and southeasterly airflow in the ‘Alenuihaha Channel, Mon. Wea. Rev., 148, 1337-1362.
Hitzl, D.E., Y.-L. Chen, and H.V. Nguyen, 2014: Numerical simulations and observations of airflow through the ‘Alenuihaha Channel, Hawai‘i. Mon. Wea. Rev., 142, 4696-4718.
Hsiao, F., Y.-L. Chen, H. V. Nguyen, D. E. Hitzl, and R. Ballard, 2021: Effects of trade wind strength on airflow and cloudiness over Oahu. Mon. Wea. Rev., 149, 3037-3062.
Hsiao, F., Y.-L. Chen, and D. E. Hitzl, 2020: Heavy Rainfall Events over Central Oahu under Weak Wind Conditions during Seasonal Transitions, Mon. Wea. Rev., 148, 4117-4141. (DOI: 10.1175/MWR-D-19-0358.1). SOEST 11404
Huang, Y.-F., and Y.-L. Chen, 2019: Numerical simulations of seasonal variations of rainfall over the Island of Hawai‘i. J. Appl. Meteor. and Climate, 58(6), 1219-1232.
Juang, H.-M. H., C.-T. Lee, Y. Zhang, M.-C. Wu, Y.-L. Chen, K. Kodama, and S.-C. Chen, 2005: Applying horizontal diffusion on pressure surface to mesocale models on terrain-following coordinates. Mon. Wea. Rev., 133, 1384-1402.
Li, N., K.-F. Cheung, J. S. Stopa, F. Hsiao, Y.-L. Chen, V. Luis, and P. Cross, 2016: Thirty-four years of Hawaii wave hindcast from downscaling of climate forecast system reanalysis. Ocean Modelling, 100 (2016), 78-95.
Li, N., G. G. Medina, Z. Yang, K. F. Cheung, D. Hitzl, and Y.-L. Chen, 2023, Multi-decade high- resolution regional hindcasts for wave energy resource characterization in U.S. coastal waters. Renew. Energy, 212, 803-817.
Nguyen, H. V., Y.-L. Chen, and F. Fujioka, 2010: Numerical Simulations of island effects on airflow and weather during the summer over the Island of Oahu. Mon. Wea. Rev. 138, 2253<96>2280. (pdf file)
Stopa, J. E., J.-F. Filipot, N. Li, K. F. Cheung, Y.-L. Chen, and L. Vega, 2013: Wave energy resources along the Hawaiian Island chain. Renew. Energy., 55, 305-321.
Tu, C.-C., Y.-L. Chen, S.-Y. Chen, Y.-H. Kuo and P.-L. Lin, 2017: Impacts of including rain evaporative cooling in the initial conditions on the prediction of a coastal heavy rainfall event during TiMREX. Mon. Wea. Rev.,145, 253-277.
Winning, T., Y.-L. Chen, and F. Xie, 2017: Estimation of the marine boundary layer height over the central north Pacific using GPS radio occultation. Atmos. Res., 183, 362-370.
Yang, Y., Y.-L. Chen, and F. M. Fujioka, 2005: Numerical simulations of the island-induced circulation over the island of Hawai‘i during HaRP. Mon. Wea. Rev., 133, 3693-3713.
Zhang, Y., Y.-L. Chen, and K. Kodama, 2005a: Validation of the coupled NCEP Mesoscale Spectral Model and an advanced Land Surface Model over the Hawaiian Islands. Part II: A high wind event. Wea. Forecasting, 20, 873-895.
Zhang, Y., Y.-L. Chen, S.-Y. Hong, H.-M. H. Juang, and K. Kodama, 2005b: Validation of the coupled NCEP Mesoscale Spectral Model and an advanced Land Surface Model over the Hawaiian Islands. Part I: Summer trade wind conditions and a heavy rainfall event. Wea. Forecasting, 20, 847-872.
Zhang, Y., Y.-L. Chen, T. A. Schroeder, and K. Kodama, 2005c: Numerical simulations of sea breeze circulations over northwest Hawaii. Wea. Forecasting, 20, 827-846.
Zhou, C., and Y.-L. Chen, 2014: Assimilation of GPS RO Refractivity data and its impact on simulations of trade wind inversion and a winter cold front in Hawaii. Nat. Sci., 6, 605-614, doi: 10.4236/ns.2014.68060.

WRF-ARW Hawaiian Islands

WRF-ARW American Samoa

WRF-ARW Northern Marianas/Guam

WRF-ARW (PacWest) Palau/Yap/Chuuk

WRF-ARW (PacEast) Pohnpei/Kosrae/Marshall Islands

WRF-NMM Hawaiian Islands