Undergraduate Research Opportunity|
Pacific & Atlantic SST: Evolution-centric analysis of natural variability & secular trend; SST Principal Components here
Recent surface warming of the Northern Continents: Contribution of multidecadal natural variability
Atlantic tropical cyclones: Natural variability and secular change in 20th century counts
Great Plains hydroclimate variability: Local & remote water sources; GPLLJ variability; Pacific & Atlantic links
North American Droughts: Analysis and SST-based reconstruction of major 20th Century episodes
Absorbing aerosols and Asian summer monsoon hydroclimate: Delayed onset from semi-direct effects
Seasonal evolution of the sea-level pressure anticyclones (e.g., Bermuda High): Role of the midlatitudes
Basin-scale Oscillations: North Atlantic, North Pacific & Atlantic Multidecadal (NAO, NPO, AMO): Mechanism & impacts
Decadal ocean-atmosphere variability in the Northern high latitudes: Impact on Arctic sea ice
Evolution of eastern tropical Pacific climate: Ocean-atmosphere coupling & stratus clouds
Dynamical diagnosis of climate variability in NCAR/CSM, NASA/NSIPP, and IPCC simulations
Diagnosis of 3D diabatic heating from ERA-40, ERA-15, and NCEP reanalyses; Monthly Heating here
South Asian Regional Reanalysis: A NOAA - Ministry of Earth Sciences (India) collaboration
1972/73:       All India Higher Secondary Examination, New Delhi (national merit list, top five)|
1973-1978:   National Science Talent Scholar, Government of India (national merit list, top five)
1973-1978:   Indian Institute of Technology, Kanpur, India; M.Sc. in Physics (5-year program)
1978-1979:   University of Washington, Seattle; Graduate studies
in Atmospheric Sciences
1979-1984:   Princeton University;
M.A., Ph.D. in Geophysical Fluid Dynamics; Advisor: Isaac M. Held
1984-1986:   Massachusetts Institute of Technology, Cambridge;
Postdoc with Richard S. Lindzen
1987-        :   University of Maryland, College Park; Research Scientist, Research Professor, Professor
2000-2003:   US National Science Foundation; Director, Large-scale Dynamic Meteorology Program
2014-        :   Chair, AMS Committee on Climate Variability and Change, American Meteorological Society|
2013-        :   Distinguished Alumnus Award, Indian Institute of Technology, Kanpur, India
2012-        :   International Commission on Dynamic Meteorology, IAMAS, IUGG
2011-2012:   Lead, CMIP5 Task Force - MAPP Program, NOAA Climate Program Office
2011-        :   Nominating Committee, UCAR, Boulder
2011-2012:   Drafting Committee, AMS Information Statement on Climate Change
2011-2012:   Board of Atmospheric Sciences and Climate, The National Academies
2008-2010:   Climate Research Committee, The National Academies
2010-        :   Drought Interest Group, World Climate Research Programme
2006-        :   Fellow, American Meteorological Society, Royal Meteorological Society
2006-2009:   Drought Working Group, US CLIVAR
2005-2006:   Editor, Journal of Climate
2005-2006:   Co-Chair, Phenomena, Observations and Synthesis panel, US CLIVAR.
2005-2009:   Co-Chair, Climate Variability Working Group, NCAR Community Climate System Model
2005-2006:   Steering Committee, US CLIVAR
2003-2005:   Committee on Climate Variability and Change, American Meteorological Society
2011-        :   Organizer, The Eugene Rasmusson Lectures, Dept. of Atmospheric & Oceanic Science, University of Maryland|
2010-        :   U Md. Representative, University Corporation for Atmospheric Research (UCAR)
2008-        :   Member, India International Center, New Delhi, India
Argyro Kavvada (2009; Candidate, Nov. 2013; Advisors: Nigam & Ruiz-Barradas): Atlantic Multidecadal Variability in IPCC-AR5 climate simulations: Surface and sub-surface structure. |
Yongjing Zhao (2009; Candidate, Feb. 2013; Advisors: Kalnay & Nigam): The North-South dipole trend in Chinese rainfall: Causes
Stephen Baxter (2010, Candidate, May 2013; Staff Meteorologist, NOAA/CPC): Supersynoptic winter circulation variability in the Northern extratropics: Pentad evolution and mechanisms. AMS Graduate Fellowship 2010; CMNS Dean's Fellowship 2011; Eugene Rasmusson Graduate Fellowship 2013
Rebecca Eager (2010; Scientist, Johns Hopkins APL): Seasonal and interannual variability of Arctic sea-ice: Dynamic and thermodynamic factors.
Ryan Clark (2012; LT, US Coast Guard): Regional climate and environmental impacts of the opening of the Arctic.
Doctoral Theses Advised (2007-Present;  ALL)|
Kye-Hwan Kim (Ph.D., May 2013): Statistical Modeling of Atlantic hurricane activity using atmospheric reanalyses and IPCC simulations and projections. Lt. Colonel, South Korea Air Force, Seoul.|
Massimo Bollasina (Ph.D., April 2010): Surface and aerosol effects on the South Asian monsoon hydroclimate. Wylie Dissertation Fellowship, Univ. of Maryland Graduate School 2008-2009; Best Student Seminar 2008; Global Climate Change Fellowship, The Green Fund Foundation 2009; Best Doctoral Dissertation 2010. Postdoc, NOAA/GFDL, Princeton University (2010-2013); WCRP Young Scientist Award 2011;WMO Norbert Gerbier-MUMM International Award 2013;
AGU James R. Holton Junior Scientist Award 2013; Assistant Professor, University of Edinburgh, Scotland (2013-).
Bin Guan (Ph.D., October 2008): Pacific decadal SST variability and North American droughts. Wylie Dissertation Fellowship, Univ. of Maryland Graduate School, 2007-2008; Univ. of Maryland Goldhaber Travel Award 2007.
Visiting Scientist, Climate Physics Group, Jet Propulsion Laboratory, California Institute of Technology, Pasadena.
Bin Guan in NASA/JPL News.
Ching-Yee Chang (Ph.D., July 2008; advisors: Sumant Nigam & James Carton): Seasonal and interannual ocean-atmosphere variability in the tropical Atlantic: Observed structure and model representation. Univ. of Maryland Goldhaber Travel Award 2007; Visiting Scholar, Department of Geography, University of California, Berkeley.
Megan Linkin (Ph.D., May 2008): North Pacific climate variability and Arctic sea ice. AMS Global Change Travel Scholarship 2005-07; University of Maryland Goldhaber Travel Award 2006. Atmospheric Peril Specialist.
Vice President, Global Partnerships, Swiss Re, Armonk, New York. Megan in NY Times.
Steven Chan (Ph.D., April 2008): On the summertime development of the North Pacific sea-level pressure anticyclone. NASA Earth System Science Fellow, 2004-07; NSF East Asian-Pacific Summer Institute Fellow, 2004.
Scientist, UK Meteorological Office, Exeter, UK.
Scott Weaver (Ph.D., May 2007): The Great Plains Low-level Jet: Structure, variability mechanisms & hydroclimate impacts. Center for Teaching Excellence Distinguished Teaching Assistant Award, 2004-05;  Research Meteorologist, NOAA Climate Prediction Center, College Park;  Presidential Early Career Award for Scientists and Engineers (PECASE) 2012.
Japan Society for Promotion of Science - Climate Change Symposium, Cosmos Club, Washington, DC (22 February 2013)
Department of Atmospheric Sciences, National Taiwan University, Taipei (21 September 2012)
NTU International Science Conference on Climate Change: Multidecadal and Beyond; Taida Institute for Mathematical Sciences, National Taiwan University, Taipei (17-20 September 2012)
National Monsoon Mission: Consultancy Meeting; Indian Institute of Tropical Meteorology, Pune (11-12 September 2012)
The Philander Symposium, Princeton University, NJ (6 September 2012)
LASG Seminar, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China (10 August 2012)
ICDM Workshop on Dynamics & Predictability of High Impact Weather & Climate Events, Kunming, China (6-9 August 2012)
Department of Civil and Environmental Engineering, University of Illinois, Urbana-Champaign (22 June 2012)
WCRP Global Drought Information Workshop, Frascati, Italy (11-13 April 2012)
Atmospheric Science & Physical Oceanography (CASPO) Seminar, University of California, San Diego (5 April 2012)
Institute for Terrestrial & Planetary Atmospheres, State University of New York, Stony Brook (21 March 2012)
Indian Institute of Tropical Meteorology, Pune, India; Golden Jubilee Celebrations, 21-25 February 2012
Department of Civil and Environmental Engineering, University of California, Irvine (19 December 2011)
NRC Workshop on Himalayan Glaciers, Hydrology and Climate Change, Washington, DC (19-20 October 2011)
GEWEX TRACE Workshop: The atmosphere/climate system. Silver Spring, MD (18-20 April 2011)
WCRP Workshop on Drought Predictability and Prediction in a Changing Climate, Barcelona, Spain (2-5 March 2011)
Caribbean GPS Observational Network, COCONet Workshop, San Juan, Puerto Rico (3-4 February 2011)
25th Conference on Hydrology, AMS Annual Meeting, Seattle (27 January 2011)
NRC Committee on Climate, Energy, and National Security, Washington, DC (10-11 January 2011).National Center for Medium Range Weather Forecasting Seminar, Ministry of Earth Sciences, India (5 January 2011)
Nigam, S., 2003: Teleconnections. Encyclopedia of Atmospheric Sciences; Editors: J.R. Holton, J.A. Pyle & J.A. Curry; Academic Press, Elsevier Science, London, 2243-2269.|
Nigam, S., and E. DeWeaver, 2003: Stationary Waves (Orographic and Thermally forced). Encyclopedia of Atmospheric Sciences; Editors: J.R. Holton, J.A. Pyle & J.A. Curry; Academic Press, Elsevier Science, London, 2121- 2137.
Nigam, S., B. Guan, and A. Ruiz-Barradas, 2011: Key role of the Atlantic Multidecadal Oscillation in 20th century drought and wet periods over the Great Plains. Geophys. Res. Lett., 38, L16713, doi:10.1029/2011GL048650.
Nigam, S., and B. Guan, 2011: Atlantic Tropical Cyclones in the 20th Century: Natural Variability and Secular Change in Cyclone Count. Climate Dynamics, 36:2279-2293 DOI 10.1007/s00382-010-0908-x.
Nigam, S., and M. Bollasina, 2011: Reply to comment by K. M. Lau and K. M. Kim on "'Elevated heat pump' hypothesis for the aerosol-monsoon hydroclimate link: 'Grounded' in observations? J. Geophys. Res. 116, D07204, doi:10.1029/2010JD015246.
Bollasina, M., and S. Nigam, 2011: The Summertime "Heat" Low over Pakistan / Northwestern India: Evolution and Origin. Climate Dynamics, 37:957-970 DOI 10.1007/s00382-010-0879-y.
Bollasina, M., and S. Nigam, 2011: Modeling of Regional Hydroclimate Change over the Indian Subcontinent: Impact of the Expanding Thar Desert J. Climate, 24, 3089-3106.
Bollasina, M., and S. Nigam, 2011: Increasing desertification of Northwestern India can adversely impact the South Asian monsoon. GEWEX News, 21, No. 2, 8-10.
Weaver, S.J., and S. Nigam, 2011: Recurrent Supersynoptic Evolution of the Great Plains Low-Level Jet.
J. Climate, 24, 575-582.
Grodsky, S., J. Carton, S. Nigam, and Y. Okumura, 2012: Tropical Atlantic Biases in CCSM4. J. Climate, 25, 3684-3701.
Ruiz-Barradas, A, and S. Nigam, 2013: Atmosphere-Land-surface Interactions over the Southern Great Plains: Characterization from Pentad Analysis of DOE-ARM Field Observations and NARR Reanalysis. J. Climate, 26, 875-886.
Kavvada, A., A. Ruiz-Barradas, and S. Nigam, 2013: AMO's Structure and Climate Footprint in Observations and IPCC AR5 Climate Simulations. Climate Dynamics, DOI 10.1007/s00382-013-1712-1, published online 9 March.
Baxter, S., and S. Nigam, 2013: A Sub-Seasonal Teleconnection Analysis: PNA Development and Its Relationship to the NAO. J. Climate, 26, 6733-6741.
Ruiz-Barradas, A., S. Nigam, and A. Kavvada, 2013: The Atlantic Multidecadal Oscillation in 20th Century Climate Simulations: Uneven Progress from CMIP3 to CMIP5. Climate Dynamics, DOI 10.1007/s00382-013-1810-0.
Sheffield, J., et al. (including S. Nigam), 2013: North American Climate in CMIP5 Experiments. Part I: Evaluation of Historical Simulations of Continental and Regional Climatology. J. Climate (in press).
Sheffield, J., et al. (including S. Nigam), 2013: North American Climate in CMIP5 Experiments. Part II: Evaluation of Historical Simulations of Intra-Seasonal to Decadal Variability. J. Climate (in press).
Nigam, S. and S. Baxter, 2013: Teleconnections. Encyclopedia of Atmospheric Sciences; Editors: Gerald North, Fuqing Zhang and John Pyle; Academic Press, Elsevier Science, London (Invited contribution).
Nigam, S., Y. Zhao, and T. Zhou, 2013: The South-Flood North-Drought Pattern over Eastern China and the Drying of the Gangetic Plain: Observations, Simulations, and Origin. Invited book chapter in Climate Change: Multidecadal and Beyond  (Editors: Michael Ghil, Mojif Latif, Mike Wallace and C.P. Chang), World Press.
Zhao, Y., and S. Nigam, 2014: The Indian Ocean Dipole: A Monopole in SST. Submitted to J. Climate on 14 January.
Science Cover (28 May 2004)|