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Jan Hafner Climate Modeling Specialist International Pacific Research Center School of Ocean and Earth Science and Technology University of Hawaii Honolulu, Hawaii 96822 Phone: (808) 956-2530 Fax: (808) 956-9425 Email:

Education

• 1996 - Ph.D. (Atmospheric Science), University of Alabama in Huntsville, Huntsville, Alabama
• 1995 - M.S. (Atmospheric Science), University of Alabama in Huntsville, Huntsville, Alabama
• 1990 - RNDr. (Meteorology), Charles University, Prague, Czechoslovakia
  (RNDr. - Rerum Naturalium Doctoris corresponds to M.S.)

Research Interests 

• Mesoscale numerical modeling
• Climate modeling

Scientific Work Experience

• Climate Modeling Specialist, IPRC, University of Hawaii, July 2016 – present
• Scientific Computer Programmer, IPRC, University of Hawaii, February 2001 – June 2016
• Research Associate, Jackson State University, 1999 – 2001
• Postdoctoral fellow, CIRA - Colorado State University, 1997 – 1999
• Graduate Assistant, University of Alabama in Huntsville, 1992 – 1996

Awards

• Fleming-Shenk Student Paper Award, first runner up in The 8th Conference on
  Satellite Meteorology and Oceanography, American Meteorological Society
  January 29 – February 2, 1996, Atlanta, GA.

Presentations

• Hafner, J., and R.S. Reddy, 2000: Mesoscale modeling of seabreeze circulation in Louisiana-Mississippi Gulf coast region.
  AGU Spring Meeting,
  May 31 – June 3, 2000, Washington DC.
• Abbate, G., J. Hafner, L. De Cecco, and S. Martini, 1998: Remote sensing study of microclimate in urban areas: application to the area of Rome.
  Proceedings of  the 8th URSI Commission of Triennial Open Symposium,
  September 22 – 25, 1998, Averio, Portugal.
• Abbate, G., J. Hafner, H. Kowalewska, L. de Cecco, and S. Martini, 1998: Telerilevamento e GIS per caratterizzare, sorvegliare e gesture la risorsa ambientale Amicroclima nolle aree urbane,
  Procc. 2nd Conferenza Nationale ASITA,
  November 24Washington DC27, 1998, Fiera Bolzano, Italy.
• Kidder, S.Q., and J. Hafner, 1995: A satellite study of urban warming for global climate research, NIGEC Second Annual Research Symposium: 'Reducing Scientific Uncertainty II',
  April 26 – 27, 1995, Tuscaloosa, AL.

Refereed Publications

• Annamalai, H., R. Neale, and J. Hafner, in press: ENSO-induced teleconnection:process-oriented diagnostics to assess Rossby wave sources and ambient flow properties in climate models. J. Climate, IPRC-1591.
• Maximenko, N.A., J. Hafner, M. Kamachi, and A. MacFadyen, 2018: Numerical simulations of debris drift from the Great Japan Tsunami of 2011 and their verification with observational reports. Marine Pollution Bulletin, 132, 5‐25, doi:10.1016/j.marpolbul.2018.03.056. IPRC-1319.
• Trinanes, J.A., M.J. Olascoaga, G.J. Goni, N.A. Maximenko, D.A. Griffin, and J. Hafner, 2016: Analysis of potential MH370 debris trajectories using ocean observations and numerical model results. Journal of Operational Oceanography, 9 (2), 126-138, doi:10.1080/1755876X.2016.1248149. IPRC-1217.
• Annamalai, H., V. Keener, M.J. Widlansky, and J. Hafner, 2015: El Niño Strengthens in the Pacific: Preparing for the Impacts of Drought. AsiaPacific Issues, (122), 1‐10. IPRC-1162.
• Duhec, A.V., R.F. Jeanne, N.A. Maximenko, and J. Hafner, 2015: Composition and potential origin of marine debris stranded in the Western Indian Ocean on remote Alphonse Island, Seychelles. Marine Pollution Bulletin, 96 (1-2), 76-86, doi:10.1016/j.marpolbul.2015.05.042. IPRC-1120.
• Annamalai, H., J. Hafner, A. Kumar, and H. Wang, 2014: A Framework for Dynamical Seasonal Prediction of Precipitation over the Pacific Islands. J. Climate, 27 (9), 3272-3297, doi:10.1175/JCLI-D-13-00379.1. IPRC-1041.
• Carson, H.S., M.R. Lamson, D. Nakashima, D. Toloumu, J. Hafner, N.A. Maximenko, and K.J. McDermid, 2013: Tracking the sources and sinks of local marine debris in Hawai'i Marine Environmental Research, 84, 76-83, doi:10.1016/j.marenvres.2012.12.002. IPRC-947.
• Eriksen, M., N.A. Maximenko, M. Thiel, A. Cummins, G. Lattin, S. Wilson, J. Hafner, A. Zellers, and S. Rifman, 2013: Plastic pollution in the South Pacific subtropical gyre. Marine Pollution Bulletin, 68 (1‐2), 71-76, doi:10.1016/j.marpolbul.2012.12.021. IPRC-948.
• Ajayamohan, R.S., H. Annamalai, J.-J. Luo, J. Hafner, and T. Yamagata, 2011: Poleward Propagation of Boreal Summer Intraseasonal Oscillations in a Coupled Model: Role of Internal Processes. Clim. Dyn., 37, 851-867, DOI: 10.1007/s00382-010-0839-6.
• Annamalai, H., S. Kida and J. Hafner, 2010: Potential impact of the tropical Indian Ocean - Indonesian Seas on El Nino characteristics. J. Climate, 23, 3933-3952.
• Law, K.L., S. Morèt-Ferguson, N.A. Maximenko, G. Proskurowski, E. E. Peacock, J. Hafner, and C. M. Reddy, 2010: Plastic accumulation in the North Atlantic Subtropical Gyre. Science, 329, 1185-1188.
• Zheng, X.-T., S.-P. Xie, G.A. Vecchi, Q. Liu, and J. Hafner, 2010: Indian Ocean dipole response to global warming: Analysis of ocean-atmospheric feedbacks in a coupled model. J. Climate, 23 (5), 1240-1253.
• Stowasser, M., H. Annamalai, and J. Hafner, 2009: Response of the South Asian Summer Monsoon to global warming: Mean and Synoptic systems. J. Climate, 22 (4), 1014-1036.
• Xie, S.-P., K. Hu, J. Hafner, H. Tokinaga, Y. Du, G. Huang, and T. Sampe, 2009: Indian Ocean capacitor effect on Indo-western Pacific climate during the summer following El Nino. J. Climate, 22 (3), 730-747, DOI: 10.1175/2008JCLI2544.1.
• Yang, Y., S.-P. Xie, and J. Hafner, 2008: Cloud patterns lee of Hawaii Island: A synthesis of satellite observations and numerical simulation. J. Geophys. Res.-Atmos., 35, L04807, doi:10.1029/2008JD009889.
• Yang, Y., S.-P. Xie, and J. Hafner, 2008: The thermal wake of Kauai Island: Satellite observations and numerical simulations. J. Climate, 21, 4568-4586.
• Small, R.J., S.-P. Xie, and J. Hafner, 2005: Satellite observations of mesoscale ocean features and co-propagating atmospheric surface fields in the tropical belt. J. Geophys. Res.-Oceans, 110, doi:10.1029/2004JC002598.
• Hafner, J., and S.-P. Xie, 2003: Far-field simulation of the Hawaiian wake: Sea surface temperature and orographic effects. J. Atmos. Sci., 60, 3021-3032.
• Xie, S.-P., J. Hafner, Y. Tanimoto, W.T. Liu, H. Tokinaga, and H. Xu, 2002: Bathymetric effect on the winter sea surface temperature and climate of the Yellow and East China Seas. Geophys. Res. Lett., 29, 2228, doi:10.1029/2002GL015884.
• Hafner, J., and S.Q. Kidder, 1999: Urban heat island modeling in conjunction with satellite-derived surface/soil parameters. J. Appl. Meteor., 38, 448-465.