Steven Feldstein's  Homepage


Steven Feldstein
Photograph taken at 65°20'N on the Kougarok Road, Seward Peninsula, Alaska, close to the Arctic Circle. This photograph was taken a short time after I saw a Bristle-thighed Curlew, a rare shorebird that flies nonstop for a distance in excess of 6,000 km between Alaska and islands in the South Pacific.


Steven Feldstein
Photograph taken at Seguam Pass in the Central Aleutian Islands, Alaska. This photograph was taken a short time after I saw a Short-tailed Albatross, a very rare bird that was believe to be extinct 70 years ago.


Professor

Postdoc: Princeton University, Atmospheric and Oceanic Sciences, 1986-1988
Ph.D: The Pennsylvania State University, Meteorology, 1986
M.S: The Pennsylvania State University, Meteorology, 1981
B.Sc: York University, Applied Mathematics and Physics, 1979


Work Address:
Department of Meteorology and Atmospheric Science
The Pennsylvania State University
516 Walker Building
University Park, PA
16802 USA
email: sbf1@psu.edu
Tel: 814-865-7042


  • Research  interests
  • Atmospheric and Climate Dynamics
    Atmospheric teleconnections, low-frequency variability, wave dynamics, baroclinic life cycles,
    tropical-extratropical interaction, circumglobal wave packets, eastern Mediterranean precipitation, Arctic atmospheric dynamics, subseasonal prediction

    Earth Rotation
    Atmospheric dynamics associated with solid earth length-of-day and polar motion


  • PUBLICATIONS

  • Jiang, Z., S. B. Feldstein, and S. Lee, 2021: Two atmospheric responses to winter sea ice decline over the Barents-Kara Seas. Geophys. Res. Lett., in press.


    Clark, J. P., V. Shenoy, S. B. Feldstein, S. Lee, and M. Goss, 2021: The role of horizontal temperature advection on Arctic Amplification. J. Climate, in press.


    Sokolowsky, G. A., E. E. Clothiaux, C. F. Baggett, S. Lee, S. B. Feldstein, E. W. Eloranta, M. P. Cadeddu, N. Bharadway, and K. L. Johnson, 2020: Contributios to the surface downwelling irradiance during Arctic winter at Utqiagvik (Barrow), Alaska. J. Climate, 33, 4555-4577. doi:10.1175/JCLI-D-18-0876.1


    Gong, T., S. B. Feldstein, and S. Lee, 2020: Rossby wave propagation from the Arctic into midlatitudes: Does it arise from in-situ latent heating or a trans-Arctic wave train? J. Climate, 33, 3619-3633. [Online]


    Clark, J. P., and S. B. Feldstein, 2020: What Drives the North Atlantic Oscillation’s Temperature Anomaly Pattern? Part II: A Decomposition of the Surface Downward Longwave Radiation Anomalies. J. Atmos. Sci., 77, 199-216. https://doi.org/10.1175/JAS-D-19-0028.1


    Clark, J. P., and S. B. Feldstein, 2020: What Drives the North Atlantic Oscillation’s Temperature Anomaly Pattern? Part I: The Growth and Decay of the Surface Air Temperature Anomalies. J. Atmos. Sci., 77, 185-198. https://doi.org/10.1175/JAS-D-19-0027.1


    Cohen, J., and 31 coauthors (including S. B. Feldstein), 2019: Divergent consensuses on Arctic amplification influence on mid-latitude severe winter weather. Nature Climate Change, 10, 20-29. https://doi.org/10.1038/s41558-019-0662-y


    Franzke, C. L. E., D. Jelic, S. Lee, and S. B. Feldstein, 2019: Systematic Decomposition of the MJO and its Northern Hemispheric Extra-Tropical Response into Rossby and Inertio-Gravity Components. Quart. J. Roy. Met. Soc., https://doi.org/10.1002/qj.3484.


    Yoo, C., N. C. Johnson, C-H. Chang, S. B. Feldstein, and Y-H. Kim, 2018: Subseasonal prediction of wintertime East Asian temperature based on atmospheric teleconnections J. Climate, 31(22), 9351-9366. https://doi.org/10.1175/JCLI-D-17-0811.1.


    Goss, M., S. Lee, S. B. Feldstein and N. S. Diffenbaugh, 2018: Can ENSO-like convection force an ENSO-like extratropical response on subseasonal timescales? J. Climate, 31(20), 8339-8349. https://doi.org/10.1175/JCLI-D-17-0771.1


    Luo, D., X. Chen, and S. B. Feldstein, 2018: Linear and nonlinear dynamics of North Atlantic Oscillations: A new thinking of symmetry breaking. J. Atmos. Sci., 75(6), 1955-1977. https://doi.org/10.1175/JAS-D-17-0274.1


    de Vries, A. J. de Vries, H. G. Ouwersloot, S. B. Feldstein, M. Riemer, A. M. El Kenawy, M. F. McCabe, and J. Lelieveld, 2018: Identification of tropical-extratropical interactions and extreme precipitation events in the Middle East based on potential vorticity and moisture transport. Journal of Geophysical Research: Atmospheres, 123, 861–881. https://doi.org/10.1002/ 2017JD027587. [Online]


    Chen, X., D. Luo, S. B. Feldstein, and S. Lee, 2018: Impact of winter Ural blocking on Arctic sea ice: Short-time variability. J. Climate, 31, 2267-2282. [Online]


    Goss, M., and S. B. Feldstein, 2018: Testing the sensitivity of the extratropical response to the location, amplitude, and propagation speed of tropical convection. J. Atmos. Sci., 75, 639-655. [Online]


    Lee, S., T. Gong, S. B. Feldstein, J. Screen and I. Simmonds, 2017: Revisiting the cause of the 1989-2009 Arctic surface warming using the surface energy budget: downward infrared radiation dominates the surface fluxes Geophys. Res. Lett., 44, 10654-10661. [Online]


    Agel, L., M. Barlow, S. B. Feldstein, and W. J. Gutowski, 2017: Identification of large-scale meteorological patterns associated with extreme precipitation in the US Northeast. Clim. Dyn., doi:10.1007/s00382-017-3724-8. [Online]


    Black, J., N. Johnson, S. Baxter, S. B. Feldstein, D. Harnos, and M. L'Heureux, 2017: The predictors and forecast skill of Northern Hemisphere teleconnection patterns for lead times of 3-4 weeks. Mon. Wea. Rev, DOI: 10.1175/MWR-D-16-0394.1. [Online]


    Gong, T., S. B. Feldstein, and S. Lee, 2017: The role of downward infrared radiation in the recent Arctic winter warming trend. J. Climate, DOI: http://dx.doi.org/10.1175/JCLI-D-16-0180.1. [Online]


    Dai, Y., S. B. Feldstein, B. Tan, and S. Lee, 2017: Formation mechanisms of the Pacific/North American teleconnection with and without its canonical tropical convection pattern. J. Climate, DOI: http://dx.doi.org/10.1175/JCLI-D-16-0411.1. [Online]


    Lukens, K. E., S. B. Feldstein, C. Yoo, and S. Lee, 2017: The dynamics of the extratropical response to Madden-Julian Oscillation convection. Quart. J. Roy. Met. Soc., DOI: 10.1002/qj.2993. [Online]


    Goss, M., and S. B. Feldstein, 2017: Why do similar patterns of tropical convection yield extratropical circulation anomalies of opposite sign? J. Atmos. Sci., DOI: http://dx.doi.org/10.1175/JAS-D-16-0067.1. [Online]


    Jiang, Z., S. B. Feldstein, and S. Lee, 2017: The relationship between the Madden Julian Oscillation and the North Atlantic Oscillation. Quart. J. Roy. Met. Soc.,Quart. J. Roy. Met. Soc., DOI: 10.1002/qj.2917. [Online]


    Feldstein, S. B., and C. L. E. Frankze, 2017: Atmospheric Teleconnection Patterns. In "Nonlinear and Stochastic Climate Dynamics", C. L. E. Franzke and T. J. O'Kane, Eds., Cambridge University Press, 54-104. [PDF]


    Harnik, N., G. Messori, R. Caballero, and S. B. Feldstein, 2016: The Circumglobal North American wave pattern and its relation to cold events in Eastern North America. Geophys. Res. Lett., Geophys. Res. Lett., 43, doi:10.1002/2016GL070760. [PDF]


    Baggett, C., S. Lee, and S. B. Feldstein, 2016: An investigation of the presence of atmospheric rivers over the North Pacific during planetary-scale wave life cycles and their role in Arctic warming. J. Atmos. Sci., 73, 4329-4347. [PDF]


    Franzke, C. L. E., S. Lee, and S B. Feldstein, 2016: Evaluating Arctic warming mechanisms in CMIP5 models. Clim. Dyn., DOI 10.1007/s00382-016-3262-9. [PDF]


    de Vries, A. J., S. B. Feldstein, E. Tyrlis, M. Riemer, M. Baumgart, M. Fnais, M. Sprenger, J. Lelieveld, 2016: Dynamics of Tropical-Extratropical Interactions and Extreme Precipitation Events in Saudi Arabia in Autumn, Winter and Spring. Quart. J. Roy. Met. Soc., DOI:10.1002/qj.2781. [PDF]


    Krichak, S. O., S. B. Feldstein, P. Alpert, S. Gualdi, E. Scoccimarro, and J-I. Yano, 2016: Discussing the role of tropical and subtropical moisture sources in extreme precipitation events in the Mediterranean region from a climate change perspective. Nat. Hazards Earth Syst. Sci., 16, 269–285, 2016 www.nat-hazards-earth-syst-sci.net/16/269/2016/ doi:10.5194/nhess-16-269-2016. [PDF]


    Yao, Y., D. Luo, A. Dai, and S. B. Feldstein, 2016: The Positive North Atlantic Oscillation with Downstream Blocking and Middle East Snowstorms: Impacts of the North Atlantic Jet Atmospheric Teleconnection Patterns. J. Climate, 29, 1853-1876. [PDF]


    Goss, M., S. B. Feldstein, and S. Lee, 2016: Stationary wave interference, and its relation to tropical convection and Arctic warming J. Climate, 29, 1369-1389. [PDF]


    Flournoy, M. D., S. B. Feldstein, S. Lee, and E. E., Clothiaux, 2016: Exploring the Tropically Excited Arctic Warming Mechanism with station data: Links between tropical convection and Arctic downward infrared radiation. J. Atmos. Sci., 73, 1143-1158. [PDF]


    Yuan, J., B. Tan, S. B. Feldstein, and S. Lee, 2015: Wintertime North Pacific teleconnection patterns: seasonal and interannual variability. J. Climate, 28, 8247–8263. doi: http://dx.doi.org/10.1175/JCLI-D-14-00749.1 [PDF]


    Luo, D. ,Y. Yao, A. Dai, and S. B. Feldstein, 2015: The positive North Atlantic Oscillation with downstream blocking and Middle East snowstorms: The large-scale environment. J. Climate, 28, 6398-6418. [PDF]


    Tan, B., J. Yuan, Y. Dai, S. B. Feldstein, and S. Lee, 2015: The linkage between the Eastern Pacific teleconnection pattern and convective heating over the tropical western Pacific. J. Climate, 28, 5783-5794. [PDF]


    Park, H-S., S. Lee, S-W. Son, S. B. Feldstein, and Y. Kosaka, 2015: The impact of poleward moisture and sensible heat flux on Arctic winter sea ice variability J. Climate, 28, 5030-5040. [PDF]


    Park, D-S., S. Lee, and S. B. Feldstein, 2015: Attribution of the Recent Winter Sea-Ice Decline over the Atlantic sector of the Arctic Ocean. J. Climate, 28, 4027-4033. [PDF]


    Goss, M., and S. B. Feldstein, 2015: The impact of the initial flow on the extratropical response to Madden Julian Oscillation convective heating. Mon. Wea. Rev., 143, 1104-1211. [PDF]


    Feldstein, S. B., and S. Lee, 2014: The influence of tropical convection on Arctic climate variability. US CLIVAR Variations, 12, 3, 6-9. [PDF]


    Luo, D., Y. Yao, and S. B. Feldstein, 2014: Regime transition of the North Atlantic Oscillation and the extreme cold event over Europe in January-February 2012. Mon. Wea. Rev., 142, 4735-4757. [PDF]


    Krichak, S. O., J. Barkan, J. S. Breitgand, S. Gualdi, and S. B. Feldstein, 2014: The role of the export of tropical moisture into midlatitudes for extreme precipitation events in the Mediterranean region. Theor. Appl. Climatol., 117, 679-692. [PDF]


    Feldstein, S., and S. Lee, 2014: Intraseasonal and interdecadal jet shifts in the Northern Hemisphere: The role of warm pool tropical convection and sea ice. J. Climate, 27, 6497-6518, doi: http://dx.doi.org/10.1175/JCLI-D-14-00057.1. [PDF]


    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. Wea. and Forecasting, 29, 23-38. [PDF]


    Krichak, S. O., J. S. Breitgand, S. Gualdi, and S. B. Feldstein, 2014: Teleconnection-extreme precipitation relationships over the Mediterranean region. Theor.Appl. Climatol., 117, 679-692, DOI 10.1007/s00704-013-1036-4. [PDF]


    Yoo, C., S. B. Feldstein, and S. Lee, 2013: The prominence of a tropical convective signal in the wintertime Arctic temperature. Atmos. Sci. Let., DOI: 10.1002/asl2.455. [PDF]


    Lee, S., and S. B. Feldstein, 2013: Detecting ozone- and greenhouse-gas-driven wind trends with observational data. Science, 1 February 2013, 339, (6119), 563-567, DOI: 10.1126/science.1225154. To download, please go to Sukyoung Lee's website .
        Science: News & Analysis The Psst That Pierced the Sky is Now Churning the Sea (by Richard A. Kerr).
        Nature: Research Highlights: Jet-stream shifts linked to ozone .
        Nature Climate Change: Research Highlights Shifting westerly winds .


    Gong, T., S. B. Feldstein, and D. Luo, 2013: A simple GCM model study on the relationship between ENSO and the Southern Annular Mode. J. Atmos. Sci., 70, 1821-1832. [PDF]


    Garfinkel, C. I., S. B. Feldstein, D. W. Waugh, C. Yoo, and S. Lee, 2012: Observed connection between stratospheric sudden warmings and the Madden-Julian Oscillation. Geophys. Res. Lett., 39, http://dx.doi.org/10.1029/2012GL053144. [PDF]


    Riddle, E. E., M. B. Stoner, N. C. Johnson, M. L. L'Heureux, D. C. Collins, and S. B. Feldstein, 2012: The impact of the MJO on clusters of wintertime circulation anomalies over the North American region. Clim. Dyn., doi 10.1007/s00382-012-1493-y. [PDF]


    Yoo*, C., S. Lee, and S. B. Feldstein, 2012: The impact of the MJO trend on the inter-decadal high latitude warming in the Southern Hemisphere during the 1979-2008 austral winter. Atmos. Sci. Let., 13, 194-199, doi: 10.1002/asl.379. [PDF]


    Yoo*, C., S. Lee, and S. B. Feldstein, 2012: Arctic response to an MJO-like tropical heating in an idealized GCM. J. Atmos. Sci., 69, 2379-2393, doi: 10.1175/ JAS-D-11-0261.1. [PDF]


    Luo, D., J. Cha, and S. B. Feldstein, 2012: Weather regime transitions and the interannual variability of the North Atlantic Oscillation. Part I: A likely connection. J. Atmos. Sci., 69, 2329-2346. [PDF]


    Luo, D., J. Cha, and S. B. Feldstein, 2012: Weather regime transitions and the interannual variability of the North Atlantic Oscillation. Part II: Dynamical processes. J. Atmos. Sci., 69, 2347-2363. [PDF]


    Yoo*, C., S. Lee, and S. B. Feldstein, 2012: Mechanisms of extratropical surface air temperature change in response to the Madden-Julian Oscillation. J. Climate, 25, 5777-5790. [PDF]


    Krichak, S., Y. Breitgand, and S. B. Feldstein, 2012: A conceptual model for the identification of active Red Sea trough synoptic events over the southeastern Mediterranean J. Appl. Met. and Clim., 51, 962-971, doi:10.1175/JAMC-D-11-0223.1. [PDF]


    Yoo*, C., S. B. Feldstein, and S. Lee, 2011: Impact of the Madden-Julian Oscillation (MJO) trend on the Arctic amplification of surface air temperature during the 1979-2008 boreal winter.  
    Geophys. Res. Lett., 38, L24804, doi:10.1029/2011GL049881. [PDF]

    Yuan*, J., S. B. Feldstein, S. Lee, and B. Tan, 2011: The relationship between the North Atlantic jet and tropical convection over the Indian and western Pacific Oceans.  
    J. Climate, 24, 6100-6113. [PDF]

    Lee, S., T. Gong*, N. C. Johnson, S. B. Feldstein, and D. Pollard, 2011: On the possible link between tropical convection and the Northern Hemisphere Arctic surface air temperature change between 1958-2001.  
    J. Climate, 24, 4350-4367. [PDF]

    S. B. Feldstein, 2011: Subtropical rainfall and the Antarctic ozone hole. Science, 332, 6032, 925-926. [Science Perspective]


    Lee, S., S. B. Feldstein, D. Pollard, and T. S. White, 2011: Can planetary wave dynamics explain equable climates?  
    J. Climate, 24, 2391-2404. [PDF]

    Franzke, C., S. B. Feldstein, and S. Lee, 2011: Synoptic analysis of the Pacific-North American teleconnection pattern.  
    Quart. J. Roy. Meteorl. Soc., 137, 329-346. [PDF]

    Luo, D., Y. Diao, and S. B. Feldstein, 2011: The variability of the Atlantic storm track and the North Atlantic Oscillation: A link between intraseasonal and interannual variabilty.  
    J. Atmos. Sci., 68, 577-601. [PDF]

    Gong*, T., S. B. Feldstein, and D. Luo, 2010: The impact of ENSO on wave breaking and Southern Annular Mode events. J. Atmos. Sci, 67, 2854-2870. [PDF]


    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. [PDF]


    Moon*, W., and S. B. Feldstein , 2009: Two types of baroclinic life cycles during the Southern Hemisphere summer.
     J. Atmos. Sci.,  66, 1401-1417. [PDF]


    Kravtsov, S., J. E. Ten Hoeve*, S. B. Feldstein, S. Lee, and S.-W. Son*, 2009: The relationship between statistically
    linear and nonlinear feedbacks and zonal-mean flow variability in an idealized climate model.
     J. Atmos. Sci.,  66, 353-372. [PDF]


    Johnson*, N. C., S. B. Feldstein, and B. Trembley, 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. [PDF]


    Feldstein, S. B., 2008:  The dynamics of atmospherically-driven intraseasonal polar motion.
     J. Atmos. Sci., 65, 2290-2307. [PDF]

    Feldstein, S. B.,  and U. Dayan, 2008:  Circumglobal teleconnections and wave packets associated with Israeli
    winter precipitation.  
    Quart. J. Roy. Meteorl. Soc.,  134, 455-467. [PDF]

    Son*, S-W, S. Lee, S. Feldstein, and J. Ten Hoeve*, 2008:  Time scale and feedback of zonal mean flow variability.  J. Atmos. Sci, 65, 935-952. [PDF]

    Feldstein, S. B., 2007:  The dynamics of the North Atlantic Oscillation during the summer season. Quart. J. Roy. Meteorl. Soc., 133,  1509-1518. [PDF]

    Lee, S., S-W. Son*, K. Grise*, and S. B. Feldstein, 2007:  A mechanism for poleward propagation of zonal mean flow anomalies.  J. Atmos. Sci., 64, 849-868. [PDF]

    Son*, S-W., S. Lee, and S. B. Feldstein, 2007: Intraseasonal variability of extratropical tropopause height.  J. Atmos. Sci., 64, 608-620. [PDF]

    Feldstein, S. B., and C. Franzke, 2006:  Are the North Atlantic Oscillation and the Northern Annular Mode distinguishable?  J. Atmos. Sci.,  63, 2915-2930. [PDF]

    Feldstein, S. B., 2006: Dynamical processes of equatorial angular momentum.
    J. Atmos. Sci., 63, 565-581. [PDF]

    Franzke, C., and S. B. Feldstein, 2005:  The continuum and dynamics of Northern Hemisphere teleconnection patterns.  J. Atmos. Sci., 62, 3250-3267. [PDF]

    Franzke*, C., S. Lee, and S. B. Feldstein, 2004: Is the North Atlantic Oscillation a breaking wave? J. Atmos. Sci., 61, 145-160. [PDF]


    Benedict*, J. J., S. Lee, and S. B. Feldstein, 2004: Synoptic view of the North Atlantic Oscillation.  J. Atmos. Sci.,  61, 121-144. [PDF]

    Feldstein, S. B., 2003:  The dynamics associated with equatorial atmospheric angular momentum in an aquaplanet GCM.   J. Atmos. Sci., 60, 1822-1834. [PDF]

    Feldstein,  S. B., 2003: The dynamics of NAO teleconnection pattern growth and decay. Quart. J. Roy. Meteorl. Soc.,  129, 901-924. [PDF]

    Feldstein, S. B., 2002: Fundamental mechanisms of PNA teleconnection pattern growth and decay.  Quart. J. Roy. Meteorl. Soc., 128, 775-796. [PDF]

    Feldstein, S. B., 2002: The recent trend and variance increase of the annular mode.  J. Climate, 15, 88-94. [PDF]

    Feldstein, S. B., 2001: Friction torque dynamics associated with intraseasonal Length-of-Day variability.  J. Atmos. Sci., 58, 2942-2953. [PDF]

    Feldstein, S. B., 2000: Teleconnections and ENSO: The timescale, power spectra, and climate noise properties.  J. Climate, 13, 4430. [PDF]

    Feldstein, S. B., 2000: Is interannual zonal mean flow variability simply climate noise? J. Climate, 13, 2356-2362. [PDF]

    Feldstein, S. B., 1999: The atmospheric dynamics of intraseasonal Length-Of-Day fluctuations during the austral winter.   J. Atmos. Sci., 56, 3043-3058. [PDF]

    Feldstein, S. B., and S. Lee, 1998: Is the atmospheric zonal index driven by an eddy feedback? J. Atmos. Sci.,  55, 3077-3086. [PDF]

    Feldstein, S. B., 1998: An observational study of the intraseasonal poleward propagation of zonal mean flow anomalies.  J. Atmos. Sci., 55, 2516-2529. [PDF]

    Feldstein, S. B., 1998: The growth and decay of low-frequency anomalies in a GCM. J. Atmos. Sci., 55, 415-428. [PDF]

    Feldstein, S. B., and S. Lee, 1996: Mechanisms of zonal index variability in an aquaplanet GCM. J. Atmos. Sci., 53, 3541-3555. [PDF]

    Lee, S., and S. B. Feldstein, 1996: Mechanism of zonal index evolution in a two-layer  model.  J. Atmos. Sci., 53, 2232-2246. [PDF]

    Lee, S., and S. B. Feldstein, 1996: Two types of wave breaking in an aquaplanet GCM.  J. Atmos. Sci., 53, 842-857. [PDF]

    Feldstein, S. B., and S. Lee, 1995: The intraseasonal evolution of angular momentum in aquaplanet and realistic GCMs.  J. Atmos. Sci., 52, 625-649. [PDF]

    Feldstein, S. B., 1995: The relationship between interannual and intra-annual variability in atmospheric angular momentum in a  GCM with climatological SSTs. Tellus, 47A, 240-258. [PDF]

    Feldstein, S. B., and W. R. Robinson, 1994: Comments on "Spatial structure of ultra-low frequency variability of the flow in  a  simple atmospheric circulation model"  by I. N. James and P. M. James (October 1992, QJRMS, 118, 1211-1233). Quart. J. Roy. Met. Soc., 120, 739-745. [PDF]

    Kiladis, G. N., and S. B. Feldstein, 1994: Rossby wave propagation into the tropics in two GFDL general circulation models.  Climate Dynamics, 9, 245-252. [PDF]

    Feldstein, S. B., 1994: A weakly nonlinear primitive equation baroclinic life cycle. J. Atmos. Sci., 51, 23-34. [PDF]

    Feldstein, S. B., 1992: Wave-mean flow interaction during the life cycles of baroclinic waves. J. Atmos. Sci., 49, 1893-1902. [PDF]

    Feldstein, S. B., 1991: A comparison of the weakly nonlinear instability of westerly and easterly jets in a two-layer beta-plane model. J. Atmos. Sci., 48, 1701-1717. [PDF]

    Feldstein, S. B., and I. M. Held, 1989: Barotropic decay of baroclinic waves in a two-layer beta-plane model.  J. Atmos. Sci., 46, 3416-3430. [PDF]

    Feldstein, S. B., 1988: Nonlinear instability of a forced baroclinic Rossby wave. J. Atmos. Sci., 45, 993-1006. [PDF]

    Feldstein, S. B., 1987: Bifurcation Analysis of Periodic Solutions. In "Nonlinear Hydrodynamic Modelling: A mathematical introduction." Lecture Notes in Physics. H. N. Shirer, Ed., Springer-Verlag.
     


    Hameed, S.,  H. Norwood, M. Flanagan, S. B. Feldstein, and C.-h. Yang, 2009:  The influence of El Nino on the
    spring fallout of Asian bird species at Attu Island. Earth Interactions, 13, 7, 1-22. [PDF]

    Mlodinow, S. G., S. B. Feldstein, and B. Tweit, 1999: The Bristle-thighed Curlew landfall of 1998: Climatic factors and notes on identification. Western Birds, 30, 133-155. [PDF]
     


    Feldstein, S. B., 2003: El Nino/Southern Oscillation and North American land birds.  Birding, 35, 606-614. [PDF]

    Feldstein, S. B.,  1997:  An annotated list of the field-identifiable and non-field-identifiable bird subspecies and morphs of Pennsylvania.  Pennsylvania Birds, 11, 178-186. [PDF]

    Feldstein, S. B.,  1996:  Documentation of Bicknell's Thrush for P.O.R.C.  Pennsylvania Birds, 10,  47-47. [PDF]

    Feldstein, S. B., 1995:  A fallout of Horned Grebes during a snowstorm.  Pennsylvania Birds, 9, 61-63. [PDF]

    Feldstein, S. B., 1994:  A late Yellow Warbler.  Pennsylvania Birds, 8, 218-219. [PDF]

    Feldstein, S. B., 1993:  Pine and Palm Warblers  in Boulder during the 1992/1993 winter.  Colorado Field Ornithology Journal, 27, 137-139. [PDF]
     

    * denotes a student or a post-doc
     


    Feldstein, S. B., 1974: New Rating System. Canadian Table Tennis Association News, 9, 5&15.  

     

    NORTH PACIFIC CONTINUUM

    The amplitude time series for 24 North Pacific (SLP) cluster patterns similar to those in Johnson and Feldstein (2010). [TXT]
    This data is for the winter season, defined as the months of December through March. Please see Johnson and Feldstein (2010) for information on the methodology. The 24 SOM patterns can be seen in Fig. 1 of the attached manuscript.

    The amplitude time series for the 24 North Pacific (SLP) cluster patterns for September through November. [TXT]

    In the above datasets, the first three columns are the dates, followed by the 24 amplitude time series.


    NORTH ATLANTIC CONTINUUM

    The amplitude time series for 20 (SLP) cluster patterns similar to those in Johnson, Feldstein, Tremblay (2008). [TXT]
    This data is for the winter season, defined as the months of December through March. Please see Johnson et al. (2008) for information on the methodology. The 20 SOM patterns can be seen in the attached figure. The first three columns are the date and the last 20 columns correspond to the SOM patterns. The patterns are numbered as follows. Pattern 1 corresponds to the pattern in the top left corner, pattern 5 is the last pattern in the first row (top right corner), pattern 6 is the first pattern in the second row, etc.


    IDEALIZED CLIMATE MODELS

    Data from the seven idealized climate model runs of Son and Lee (2005) [PDF], Son and Lee (2006) [PDF], and Son et al. (2008) [PDF]

    These model runs, referred to CS1, CS2,..,CS7, correspond to those combinations of the cooling and heating parameters, C and H, that are located along the diagonal in Fig. 4 of Son and Lee (2005) and Fig. 1 of Son and Lee (2006).


    CIRCUMGLOBAL WAVE PACKET INDICES

    The daily amplitude time series for the circumglobal wave packet (based on Feldstein and Dayan (2008)).
    This data is for the winter season, defined as the months of November through March, for the years 1958 through 2004. Please see [TXT] for a description of the methodology used to generate the circumglobal wave packet indices.

     

    • MEMBERSHIPS IN PROFESSIONAL SOCIETIES

      American Meteorological Society

      American Geophysical Union
       

                NORTH ATLANTIC OSCILLATION: SCHEMATIC & SATELLITE IMAGES

                                              POSITIVE NAO                                                                                                                 NEGATIVE NAO

           Steven Feldstein                                          Steven Feldstein

      See Benedict, Lee, and Feldstein (2004, J. Atmos. Sci.)



           Steven Feldstein                                           Steven Feldstein

      Visible Satellite Image: Positive NAO Event, December 27, 1990 (NCDC)                 Visible Satellite Image: Negative NAO Event, December 20, 1995 (NCDC)


      READING ABOUT THE NORTH ATLANTIC OSCILLATION WHILE SITTING ON A BEACH NEXT TO THE NORTH ATLANTIC OCEAN


                     Steven Feldstein
       

               
       

      OTHER LINKS

      NOAA/Climate Prediction Center Week 3-4 Probablistic Forecast

      Earth and Environmental Systems Institute

      Penn State Department of Meteorology

      NOAA/Geophysical Fluid Dynamics Laboratory

      NOAA/Earth System Research Laboratory/Physical Sciences Division

      NOAA/Climate Prediction Center


      American Birding Association


      International Table Tennis Federation


      Sukyoung Lee's website


      Nat Johnson's website

       

       

          

      BIRDING MILESTONES in the Continental ABA Area (Canada and the 49 Continental US states)  
       
       
      * I took only one photograph. This was Aplomado Falcon, my Continental ABA Area species number 700. Most of the photographs were downloaded from eBird, some were sent to me by other birders, and a few (numbers 300-600) were downloaded from the web.  

            

       
      Number of species seen in the Continental ABA Area (Canada and the 49 Continental US states):721*  
       
      Number of code 1-3 species seen in the Continental ABA Area: 707*  
       

          

           Steven Feldstein

      This particular Fork-tailed Flycatcher, seen at Cape May, New Jersey, was Continetal ABA Area species number 700 for legendary birder Roger Tory Peterson. I saw this bird on the following day. It was this bird, and its link to Roger Tory Peterson, that inspired my goal to see 700 Continental ABA Area species.

          

           Steven Feldstein

      Glaucous Gull: Species number 300, January 4, 1985, Maple, Ontario. I did not see this particular individual.

          

           Steven Feldstein

      Lark Sparrow: Species number 400, January 19, 1988, Laguna Mountains, California. I did not see this particular individual.

          

           Steven Feldstein

      Olive Warbler: Species number 500, May 13, 1990, Rustler Park, Arizona. I did not see this particular individual.     

          

           Steven Feldstein

      Pinyon Jay: Species number 600, May 24,1992, Grand Mesa, Colorado. I did not see this particular individual.  
       
       
       

                                                Steven Feldstein  
       
      Cassins's Auklet: This was one of several individuals corresponding to my 650th Continental ABA Area Species. Seen about 40km west of Half Moon Bay, California, August 18, 2013.  
       

                                                Steven Feldstein  
       
      Scripps's Murrelet: This individual was my 651st Continental ABA Area Species. Seen about 40km west of Half Moon Bay, California, August 18, 2013.  
       
       
       
      652. Bell's Sparrow, August 21, 2013, Fort Ord, CA  
       
       
       
                                                Steven Feldstein  
       
      La Sagra's Flycatcher: This individual was my 653rd Continental ABA Area Species. Seen in Matheson Hammock Park, Florida, December 22, 2013.  
       
       

                                                Steven Feldstein  
       
      Great Gray Owl: This individual was my 654th Continental ABA Area Species. Seen in Brooklin, Ontario, January 19, 2014.  
       
                                                Steven Feldstein  
       
      Pink-footed Goose: These two individuals correspond to my 655th Continenta ABA Area Species. Seen at Bald Eagle State Park, Pennsylvania, March 21, 2014.  
       
       
       
      656. Ridgway's Rail, February 21, 1988, Salton Sea, CA
      657. Egyptian Goose, December 25, 2012, Wakotahatchee, FL
      658. Crested Myna, June 15, 1997, Vancouver, BC
      659. California Condor, December 22, 2015, Pinnacles National Park, CA
      660. Black-vented Shearwater, December 24, 2015, San Simeon, CA
      661. Scaly-breasted Munia, December 24, 2015, San Luis Obispo, CA
      662. Island Scrub-Jay, December 26, 2015, Santa Cruz Island, CA
      663. California Scrub-Jay, January 18, 1988, San Diego, CA  
       
       
       
                                                Steven Feldstein  
       
      Tufted Duck: This individual was my 664th Continental ABA Area Species. Seen in Darthmouth, Nova Scotia, April 4, 2017.  
       
       
       
      665. Gyrfalcon, December 27, 1987, Brigantine NWR, NJ  
       
       
       
                                                Steven Feldstein  
       
      Gray-tailed Tattler: This individual was my 666th Continental ABA Area Species. Seen in Gambell, Alaska, May 29, 2017.  
       
       
                                                Steven Feldstein  
       
      Eyebrowed Thrush: This individual was my 667th Continental ABA Area Species. Seen in Gambell, Alaska, May 29, 2017.  
       
       
                                                Steven Feldstein  
       
      Lesser Sand-Plover: This individual was my 668th Continental ABA Area Species. Seen in Gambell, Alaska, May 29, 2017.  
       
       
                                                Steven Feldstein  
       
      Hawfinch: This individual was my 669th Continental ABA Area Species. Seen in Gambell, Alaska, May 29, 2017.  
       
       
      670. Horned Puffin, May 30, 2017, Gambell, AK
      671. Crested Auklet, May 30, 2017, Gambell, AK
      672. Parakeet Auklet, May 30, 2017, Gambell, AK
      673. Least Auklet, May 30, 2017, Gambell, AK
      674. Spectacled Eider, May 30, 2017, Gambell, AK  
       

                                                Steven Feldstein  
       
      Steller's Eider: These two individuals correspond to my 675th Continental ABA Area Species. Seen in Gambell, Alaska, May 30, 2017.

                                                Steven Feldstein  
       
      Slaty-backed Gull: This individual was my 676th Continental ABA Area Species. Seen in Gambell, Alaska, May 30, 2017.  
       
       
       
      677. White Wagtail, May 30, 2017, Gambell, AK  
       
       
       
                                               Steven Feldstein  
       
      Common Chiffchaff This individual was my 678th Continental Area Species. Seen in Gambell, Alaska, May 30, 2017. (This subspecies, Phylloscopus collybita tristis, is often considered as a distinct species, known as Siberian Chiffchaff.)  
       
       
       
      679. Bluethroat, May 30, 2017, Gambell, AK  
       
       
       

                                                          Steven Feldstein  
       
      Arctic Loon: This individual was my 680th Continental ABA Area Species. Seen in Gambell, Alaska, May 30, 2017.  
       

                                                          Steven Feldstein  
       
      Common Ringed Plover: This individual was my 681st Continental ABA Area Species. Seen in Gambell, Alaska, May 31, 2017.  
       
                                                Steven Feldstein  
       
      Red-throated Pipit: This individual was my 682nd Continental ABA Area Species. Seen in Gambell, Alaska, May 31, 2017.  
       
       
                                               Steven Feldstein  
       
      Pallas's Bunting: This individual was my 683rd Continental ABA Area Species. Seen in Gambell, Alaska, May 31, 2017.  
       
       
                                               Steven Feldstein  
       
      Emperor Goose: These four individuals correspond to my 684th Continental ABA Area Species. Seen in Gambell, Alaska, June 1, 2017.  
       
       
       
                                                Steven Feldstein  
       
      Rock Sandpiper: This individual was my 685th Continental ABA Area Species. Seen in Gambell, Alaska, June 1, 2017.  
       
       
                                                Steven Feldstein  
       
      Wood Sandpiper: This individual was my 686th Continental ABA Area Species. Seen in Gambell, Alaska, June 1, 2017.  
       
       
      687. Eastern Yellow Wagtail, June 3, 2017, Gambell, AK
      688. Aleutian Tern, June 5, 2017, Nome River mouth, AK
      689. Pacific Golden-Plover, June 5, 2017, Nome River mouth, AK  
       
       
       
                                               Steven Feldstein  
       
      Bar-tailed Godwit: This individual was my 690th Continental ABA Area Species. Nome River Mouth, Alaska, June 5, 2017.  
       
       
       
      691. Arctic Warbler, June 6, 2017, Safety Sound, Council Road, AK  
       
       
       
                                               Steven Feldstein  
       
      Bristle-thighed Curlew: This bird was one of six individuals that correspond to my 692nd Continental ABA Area Species. Seen at Coffee Dome, Kougarok Road, Alaska, June 7, 2017  
       
       
       
                                               Steven Feldstein  
       
      Rock Ptarmigan: This individual was my 693rd Continental ABA Area Species. Seen at Coffee Dome, Kougarok Road, Alaska, June 7, 2017  
       
       
      I lost one species from my Continental ABA Area list because of the lumping of Iceland and Thayer's Gull. My list dropped to 692 ABA Area Species.  
       
       
                                               Steven Feldstein  
       
      White-winged Tern: This individual was my 693rd Continental ABA Area Species. Seen at Nessmuk Lake, Pennsylvania, August 11, 2017.  
       
       
       
      694. Rose-ringed Parakeet, December 26, 2003, Naples, FL, 2003
      695. Spotted Dove, Avalon, CA, December 18, 2017
      696. Rosy-faced Lovebird, Encanto Park, Phoenix, AZ, December 26, 2017  
       
       
       
                                               Steven Feldstein  
       
      Rufous-backed Robin: This individual was my 697th Continental ABA Area Species. Seen at Paradise Valley, Arizona, December 26, 2017  
       
                                               Steven Feldstein  
       
      Ruddy Ground-Dove: This individual was my 698th Continental ABA Area Species. Seen at Mesa, Arizona, December 26, 2017  
       
       
       
      699. Clay-colored Thrush, January 3, 2018, Quinta Mazatlan, TX  
       
       
       
                                 Steven Feldstein  
       
      Aplomado Falcon: This individual was my 700th Continental ABA Area Species. Seen at Old Port Isabel Road, Texas, January 4, 2018. I took this digiscoped photograph. The was first time that I tried digiscoping, so the quality is poor.  
       
       
                                 Steven Feldstein  
       
      This is a selfie that I took several minutes after seeing the above Aplomado Falcon. It took me almost 34 years to reach my goal of seeing 700 Continental ABA Area species. The was first time I took a selfie.  
       
       
       
      My next goal. Trying to see 750 Continental ABA Species.  
       
       
       
                                               Steven Feldstein  
       
      Blue Bunting: This individual was my 701st Continental ABA Area Species. Seen at Quinta Mazatlan, Texas, January 5, 2018.  
       
       
      702. Kittlitz’s Murrelet, May 30, 2018, Clam Lagoon, Adak Island, AK
      703. Red-faced Cormorant, May 31, 2018, Seawall, Adak Island, AK
      704. Common Snipe, June 1, 2018, Contractor’s Camp Marsh, Adak Island, AK  
       
       
       
                                               Steven Feldstein  
       
      Falcated Duck: This individual was my 705th Continental ABA Area Species. Seen at Clam Lagoon, Adak Island, Alaska, June 2, 2018.  
       
       
                                               Steven Feldstein  
       
      Gray-streaked Flycatcher: This individual was my 706th Continental ABA Area Species. Seen at the Thrush Feeder, Adak Island, Alaska, June 2, 2018.  
       
       
                                               Steven Feldstein  
       
      Tundra Bean-Goose: This individual was my 707th Continental ABA Area Species. Seen at Adak Airport, Adak Island, Alaska, June 3, 2018.  
       
       
       
       
                                              Steven Feldstein  
       
      Whiskered Auklet: These individuals were part of flock of auklets that corresponded to my 708th Continental ABA Area Species. Seen in Tagalak Pass, Central Aleutian Islands, Alaska, June 4, 2018.  
       
       
      709. Laysan Albatross, June 4, 2018, Tagalak Pass, AK
      710. Short-tailed Shearwater, June 4, 2018, Tagalak Pass, AK  
       
       
       
                                               Steven Feldstein  
       
      Short-tailed Albatross: This individual was my 711th Continental ABA Area Species, an adult, and my 700th Continental ABA Area Codes 1-3 Species. Seen at the Seguam Pass, Central Aleutian Islands, Alaska, June 5, 2018.  
       
       
                                               Steven Feldstein  
       
      Short-tailed Albatross: This was the second individual that I saw, a subadult. Seen at the Seguam Pass, Alaska, June 5, 2018  
       
       
       
                                               Steven Feldstein  
       
      Red-legged Kittiwake: This was one of several individuals corresponding to my 712th Continental ABA Area Species. Seen north of Amlia Island, Central Aleutians, Alaska, June 5, 2018.  
       
       
                                               Steven Feldstein  
       
      Mottled Petrel: This individual was my 713th Continental ABA Area Species. Seen north of Amlia Island, Central Aleutians, Alaska, June 5, 2018.  
       
       
       
       
                                               Steven Feldstein  
       
      Dark-sided Flycatcher: This individual was my 714th Continental ABA Area Species. Seen at Adak National Forest, Adak Island, Alaska, June 6, 2018.  
       
       
                                               Steven Feldstein  
       
      Oriental Cuckoo: This individual was my 715th Continental ABA Area Species. Seen at the Kamanista Quarry, St. Paul Island, Alaska, June 8, 2018.  
       
       
                                               Steven Feldstein  
       
      Terek Sandpiper: This individual was my 716th Continental ABA Area Species. Seen at Marunich, St. Paul Island, Alaska, June 10, 2018.  
       
       
                                               Steven Feldstein  
       
      Barnacle Goose: This individual was my 717th Continental ABA Area Species. Seen at Sweet Arrow Lake, Pennsylvania, December 13, 2018.  
       
       
      I lost one species from my Continental ABA Area list because of the new information that recently became available on the Evergreen, Colorado record of Baikal Teal. My list dropped to 716 ABA Area Species.  
       
      717. Black-capped Petrel, July 26, 2019, Hatteras Pelagic-Gulf Stream, NC
       
       
       
                                               Steven Feldstein  
       
      White-faced Storm-PetrelThis individual was my 718th Continental ABA Area Species. Seen on a Hatteras Pelagic-Gulf Stream trip, North Carolina, July 26, 2019
       
       
       
                                               Steven Feldstein  
       
      Scopoli's Shearwater: This individual does not count on my Continental ABA Area list, as it is not recognized by the AOS Classification and Nomenclature (NACC) Committee as a species that is distinct from Cory's Shearwater. Several other national committees do recognize Scopoli's Shearwater as a distinct species. Seen on a Hatteras Pelagic-Gulf Stream trip, North Carolina, July 27, 2019
       
       
       
       
       
                                               Steven Feldstein  
       
      Bermuda Petrel: This individual was my 719th Continental ABA Area Species. Seen on a Hatteras Pelagic-Gulf Stream trip, North Carolina, July 27, 2019
       
       
      720. Yellow-chevroned Parakeet, May 9, 1991, Kendall, FL

       
       
       
                                               Steven Feldstein  
       
      White-cheeked Pintail: This individual was my 721st Continental ABA Area Species. Seen at Lely Resort, Naples, Florida, December 29, 2019
       
       
      I lost one species from my Continental ABA Area list because of the lumping of American and Northwestern Crow. My list dropped to 720 ABA Area Species.  
       
      721. Mexican Duck, May 11, 1990, Willcox, AZ
       
       
                          Steven Feldstein  
       
      My dream-come-true birding trip. Photograph taken in Gambell, Alaska. June 2017.

                        
       
      Number of species Continental ABA Area species seen inside and/or outside the Continental ABA Area: 805  
      Number of species seen in the ABA Area (Continental ABA Area plus Hawaii): 744  
       


      Number of mammal species seen in the USA and Canada: 125  

       
       
                               Steven Feldstein  
                
      Moments after finding Bicknell's Thrush near the summit of Mt. Mansfield, Vermont. It took 11 hours of searching to finally see this species.  
       
      Steven Feldstein  
       
       
      Looking at a Black-faced Spoonbill at Ganghwa Island, South Korea. This is one of South Korea's rarest breeding birds.  
       
       
       
       
       
       

      My Teenage Years as a Table Tennis Player

      Steven Feldstein                                    
       
      Canadian Open (Toronto, Canada) 1973  
       
       
       

      Steven Feldstein                                            
       

      Toronto Open (Toronto, Canada) 1974  
       
       
       

      Steven Feldstein                                            
       

      Dream Come True" Member of the Canadian Men's Table Tennis Team, 1975 World Championships, Calcutta India (2nd from left)

      MY 2013 ONLINE-INTERVIEW OF JOO SAEHYUK (The best defensive table tennis player in the world, 2nd in the 2003 World Championships, #5 player in the world in 2011)     

          

           Steven Feldstein

      OOAK Interview with Joo SaeHyuk

      MY 2013 ONLINE-INTERVIEW OF SEO HYOWON (The best female defensive table tennis player in South Korea, the 2013 Korea Open Champion, #8 woman in the world in 2014)     

          

          Steven Feldstein

      OOAK Interview with Seo Hyowon

      MY 2015 ONLINE-INTERVIEW OF NORIO TAKASHIMA (The best male defensive table tennis player in the world from the early 1970s to the early 1980s, semi-finalist in the 1975 World Championships, and ranked #5 in the world in 1975.)     

          

          Steven Feldstein

      OOAK Interview with Norio Takashima

      MY RECENT PHOTOS (AUGUST 2013) from the SHIN JAE KOOK TABLE TENNIS CLUB in SEOUL, KOREA

       

      Steven Feldstein  
      Forehand Offense (my weakness)  
       

      Steven Feldstein  
       
       

      Steven Feldstein  
      Forehand Defense  
       

      Steven Feldstein  
       
       

      Steven Feldstein  
       
       

      Steven Feldstein  
      Backhand Defense (my strength)  
       

       
       

      Photographs taken over the Arctic Ocean on June 7, 2012 from Korean Air Flight 94

       
       

      Steven Feldstein  
       

      Photograph taken over Meville Island, Arctic Canada (75N,111W)  
       

      Steven Feldstein  
       

      Photograph of sea ice taken over the Arctic Ocean at about 80N, 150W  
       

      Steven Feldstein  
       

      Photograph of sea ice taken over the Arctic Ocean at about 80N, 150W



        Teleconnection Seminar  


      [STATE.COLLEGE.BIRDCLUB.TALK.PPT]



      [meteo.hawaii.save.ppt]



      [zonal_wind_trend_2012_TAU.pptx]



      [polar_amplification_2012_weizman.pptx]



      [AGU_2012.pptx]



      [CLIVAR_2013.pptx]



      [nas_polar_amplification_seaice.pptx]



      [Tel_Aviv_University_2013.pptx]



      [Trieste_1_talk.ppt]



      [Trieste_2_talk.ppt]



      [Arctic_Workshop_Boulder.pptx]



      [IUGG_Prague.pptx]



      [Grindelwald_2015.pptx]



      [AGU_MATT_2015.pptx]



      [Meteo_460.pptx]



      [METEO_460_2017.pptx]



      [Aspen_Workshop_2017.pptx]



      [AOFD_Conference_2017.pptx]



      [AMS_2018_Steven_Feldstein.pptx]



      [METEO_460_2018.pptx]