International Pacific Research Center | People

Nat Johnson

Postdoctoral Fellow
[Past Staff]

International Pacific Research Center
School of Ocean and Earth Science and Technology
University of Hawaii
Honolulu, Hawaii 96822

Email:
Webpage: http://iprc.soest.hawaii.edu/users/natj/

Education

2009 - Ph.D., Meteorology, The Pennsylvania State University, University Park, Pennsylvania
2001 - B.A., Environmental Science and Policy, Duke University, Durham, North Carolina

Research Interests

Dynamics of climate variability, climate change, and atmospheric teleconnection patterns
Extended-range predictability and forecasting
Interactions among tropical convection, the sea surface, and large-scale circulations
Variability, predictability, and change of rainfall and temperature extremes
Applications of novel statistical tools for data analysis in the atmospheric and oceanic sciences

Scientific Work Experience

Postdoctoral Fellow, International Pacific Research Center, SOEST, University of Hawaii, Honolulu, Hawaii, July 2009 – present

Refereed Publications

Chang, C.-H., and N.C. Johnson, 2015: The continuum of wintertime Southern Hemisphere atmospheric teleconnection patterns. J. Climate, 28 (24), 9507-9529, doi:10.1175/JCLI-D-14-00739.1. IPRC-1125.
Horton, D.E., N.C. Johnson, D. Singh, D.L. Swain, B. Rajaratnam, and N.S. Diffenbaugh, 2015: Contribution of changes in atmospheric circulation patterns to extreme temperature trends. Nature, 522, 465-4698, doi:10.1038/nature14550. IPRC-1121.
Xie, S.-P., C. Deser, G.A. Vecchi, M. Collins, T.L. Delworth, A. Hall, E. Hawkins, N.C. Johnson, et al., 2015: Towards predictive understanding of regional climate change. Nature Climate Change, 5, 921-930, doi:10.1038/nclimate2689. IPRC-1122.
Johnson, N.C., D.C. Collins, S.B. Feldstein, M.L. L'Heureux, and E.E. Riddle, 2014: Skillful wintertime North American temperature forecasts out to four weeks based on the state of ENSO and the MJO. Weather and Forecasting, 29 (1), 23-38, doi:10.1175/WAF-D-13-00102.1. IPRC-1023.
Maloney, E.D., N.C. Johnson, S.-P. Xie, et al., 2014: North American climate in CMIP5 experiments: Part III: Assessment of 21st Century projections. J. Climate, 27 (6), 2230-2270, doi:10.1175/JCLI-D-13-00273.1. IPRC-1030.
Singh, D., D.E. Horton, M. Tsiang, M. Haugen, M. Ashfaq, R. Mei, D. Rastogi, N.C. Johnson, A. Charland, B. Rajaratnam, and N.S. Diffenbaugh, 2014: Severe precipitation in northern India in June 2013: Causes, historical context, and changes in probability. Bull. Amer. Meteor. Soc., 95 (9), S58-S61, doi: . IPRC-1074.
Chang, C.-H., N.C. Johnson, and N. Cassar, 2013: Neural network-based estimates of Southern Ocean net community production from in-situ O₂ / Ar and satellite observation: A methodological study. Biogeosciences, 10, 16923-16972, doi:10.5194/bgd-10-16923-2013. IPRC-1061.
Ito, H., N.C. Johnson, and S.-P. Xie, 2013: Subseasonal and interannual temperature variability in relation to extreme temperature occurrence over East Asia. J. Climate, 26 (22), 9026-9042, doi:10.1175/JCLI-D-12-00676.1. IPRC-994.
Johnson, N.C., 2013: How many ENSO flavors can we distinguish? J. Climate, 26 (13), 4816-4827, doi:10.1175/JCLI-D-12-00649.1. IPRC-941.
Li, J., S.-P. Xie, E. Cook, M. Morales, D. Christie, N.C. Johnson, F. Chen, R. D'Arrigo, A. Fowler, X. Gou, and K. Fang, 2013: El Niño modulations over the past seven centuries. Nature Climate Change, 3, 822-826, doi:10.1038/nclimate1936. IPRC-987.
Riddle, E.E., M.B. Stoner, N.C. Johnson, M.L.L. Heureux, D.C. Collins, and S.B. Feldstein, 2013: The impact of the MJO on clusters of wintertime circulation anomalies over the North American region. Clim. Dyn., 40 (7‐8), 1749-1766, doi:10.1007/s00382-012-1493-y. IPRC-909.
Sheffield, J., S.J. Camargo, R. Fu, Q. Hu, X. Jiang, N.C. Johnson, S.-P. Xie, et al., 2013: North American Climate in CMIP5 Experiments. Part II: Evaluation of Historical Simulations of Intraseasonal to Decadal Variability. J. Climate, 26 (23), 9247-9290, doi:10.1175/JCLI-D-12-00593.1. IPRC-993.
Lee, S., T. Gong, N.C. Johnson, S. Feldstein, and D. Pollard, 2011: On the possible link between tropical convection and the Northern Hemisphere Arctic surface air temperature change between 1958 and 2001. J. Climate, 24, 4350-4367.doi: http://dx.doi.org/10.1175/2011JCLI4003.1.
Small III, A.A., J.B. Stefik, J. Verlinde, and N.C. Johnson, 2011: The Cloud Hunter's Problem: An Automated Decision Algorithm to Improve the Productivity of Scientific Data Collection in Stochastic Environments. Mon. Wea. Rev., 139 (7), 2276-2289.
Johnson, N.C., and S.B. Feldstein, 2010: The continuum of North Pacific sea level pressure patterns: Intraseasonal, interannual, and interdecadal variability. J. Climate, 23, 851-867.
Johnson, N.C., and S.-P. Xie, 2010: Changes in the sea surface temperature threshold for tropical convection. Nature Geoscience, 3 (12), 842-845.
Johnson, N.C., S.B. Feldstein, and B. Tremblay, 2008: The continuum of Northern Hemisphere teleconnection patterns and a description of the NAO shift with the use of self-organizing maps. J. Climate, 21, 6354-6371.
Lebo, Z.J., N.C. Johnson, and J.Y. Harrington, 2008: Radiative influences on ice crystal and droplet growth within mixed-phase stratus clouds. J. Geophys. Res., 113, D09203, doi:10.1029/2007JD009262.
Verlinde, J., J.Y. Harrington, G.M. McFarquhar, V.T. Yanuzzi, A. Avramov, S. Greenberg, N. Johnson, M.R. Poellot, J.H. Mather, D.D. Turner, B.D. Zak, T.P. Tooman, A.J. Prenni, G.L. Kok, E.W. Eloranta, M.D. Ivey, C.P. Bahrmann, K. Sassen, P.J. DeMott, and A.J. Heymsfield, 2007: The Mixed-Phase Arctic Cloud Experiment (MPACE). Bulletin of the American Meteorological Society, 88, 205-221.