Sciences and Exploration Directorate

Karen I Mohr

(Associate Director for Institutional Planning and Operations)

Karen I Mohr's Contact Card & Information.
Phone: 301.614.6360
Org Code: 610
Mail Code 610
Greenbelt, MD 20771


2000 Ph.D., Hydrology, University of Texas at Austin, Austin, Texas
1995 M.S.,   Meteorology, Texas A&M University, College Station, Texas
1987 B.S.,   Meteorology, Pennsylvania State University, State College, Pennsylvania
1986 B.A.,   Physics, College of the Holy Cross, Worcester, Massachusetts

Special Experience

Numerical modeling and observation of land/atmosphere interaction, convective initiation, and organized convective systems using surface, upper air, remote sensing (radar, visible/IR, passive microwave), and reanalysis data and GIS. Special emphasis on the surface hydrology, weather, and short-term climate of arid regions (e.g., Southern Great Plains, West Africa, Andes).

Professional Societies

American Meteorological Society

1990 - Present

American Geophysical Union

1996 - Present


Associate Director for Institutional Planning and Operations

NASA - NASA-Goddard Space Flight Center, Greenbelt, MD

September 2019 - Present

Associate Deputy Director for Atmospheres

NASA-Goddard Space Flight Center - Greenbelt, MD

February 2014 - September 2019

Research Meteorologist

NASA-Goddard Space Flight Center - Greenbelt, MD

February 2009 - February 2014

Associate Professor of Atmospheric Science

University at Albany, SUNY - Albany, NY

August 2006 - February 2009

Assistant Professor of Atmospheric Science

University at Albany, SUNY - Albany, NY

August 2000 - August 2006

Graduate Fellow

Department of Geological Sciences, University of Texas at Austin - Austin, TX

August 1996 - August 2000

Research Assistant

Department of Meteorology, Texas A&M University - College Station, TX

May 1993 - June 1995

Windplant Operations Meteorologist

Kenetech, Inc. - Livermore, CA

July 1991 - May 1993

Aviation Meteorologist

United States Air Force - CONUS and Pacific Air Forces

May 1986 - May 1991



2020. "Raindrop Signature from Microwave Radiometer Over Deserts." Geophysical Research Letters 47 (16): [10.1029/2020gl088656] [Journal Article/Letter]

2019. "A spatial‐temporal extreme precipitation database from GPM IMERG." Journal of Geophysical Research: Atmospheres 2019JD030449 [10.1029/2019jd030449] [Journal Article/Letter]

2019. "An automated detection methodology for dry well-mixed layers." Journal of Atmospheric and Oceanic Technology 36 (5): 761-779 [10.1175/jtech-d-18-0149.1] [Journal Article/Letter]

2019. "Microphysics in Goddard multi-scale modeling systems: A Review." Current Trends in the Representation of Physical Processes in Weather and Climate Models 253-316 [10.1007/978-981-13-3396-5_14] [Article in Book]

2017. "Validation of IMERG precipitation in Africa." Journal of Hydrometeorology 18 (2017): 2817-2825 [10.1175/JHM-D-17-0139.1] [Journal Article/Letter]

2017. "Precipitation characteristics in West and East Africa from satellite and in situ observations." Journal of Hydrometeorology 18 (6): 1799-1805 [10.1175/jhm-d-17-0068.1] [Journal Article/Letter]

2017. "Influence of bulk microphysics schemes upon Weather Research and Forecasting (WRF) version 3.6.1 nor'easter simulations." Geoscientific Model Development 10 (2): 1033-1049 [10.5194/gmd-10-1033-2017] [Journal Article/Letter]

2016. "Global precipitation estimates from cross-track passive microwave observations using a physically-based retrieval scheme." Journal of Hydrometeorology 17 (1): 383–400 [10.1175/jhm-d-15-0051.1] [Journal Article/Letter]

2015. "Performance of the Goddard multiscale modeling framework with Goddard ice microphysical schemes." Journal of Advances in Modeling Earth Systems 8 (1): 66-95 [10.1002/2015ms000469] [Journal Article/Letter]

2014. "The Goddard Cumulus Ensemble model (GCE): Improvements and applications for studying precipitation processes." Atmospheric Research 143 392-424 [10.1016/j.atmosres.2014.03.005] [Journal Article/Letter]

2014. "Characteristics of precipitation features and annual rainfall during the TRMM era in the Central Andes." Journal of Climate 27 (11): 3982-4001 [10.1175/JCLI-D-13-00592.1] [Journal Article/Letter]

2013. "The NASA-Goddard Multi-scale Modeling Framework–Land Information System: Global land/atmosphere interaction with resolved convection." Environmental Modelling & Software 39 103-115 [10.1016/j.envsoft.2012.02.023] [Journal Article/Letter]

2011. "A continental-scale classification of rainfall seasonality regimes in Africa based on gridded precipitation and land surface temperature products." Journal of Applied Meteorology and Climatology 50 (12): 2504–2513 [10.1175/JAMC-D-11-024.1] [Journal Article/Letter]

2011. "Attributing tropical cyclogenesis to equatorial waves in the Western North Pacific." Journal of the Atmospheric Sciences 68 (2): 195-209 [10.1175/2010JAS3396.1] [Journal Article/Letter]

2010. "An analysis of the environments of intense convective systems in West Africa in 2003." Monthly Weather Review 138 (10): 3721-3739 [10.1175/2010MWR3321.1] [Journal Article/Letter]

2009. "The interannual stability of cumulative frequency distributions for convective system size and intensity." Journal of Climate 22 (19): 5218-5231 [10.1175/2009JCLI2940.1] [Journal Article/Letter]

2008. "Effects of aerosol optical properties on deep convective clouds and radiative forcing." Journal of Geophysical Research: Atmospheres 113 D08209 [10.1029/2007JD009257] [Journal Article/Letter]

2007. "Numerical studies of wet versus dry soil regimes in the West African Sahel." Journal of Hydrometeorology 8 (1): 102-116 [10.1175/JHM559.1] [Journal Article/Letter]

2006. "Intense convective systems in West Africa and their relationship to the African easterly jet." Quarterly Journal of the Royal Meteorological Society 132 163-176 [10.1256/qj.05.55] [Journal Article/Letter]

2004. "Interannual, monthly and regional variability in the wet season diurnal cycle of precipitation in Sub-Saharan Africa." Journal of Climate 17 2441-2453 [10.1175/1520-0442(2004)017<2441:IMARVI>2.0.CO;2] [Journal Article/Letter]

2003. "The sensitivity of West African convective line water budgets to land cover." Journal of Hydrometeorology 4 (1): 62-76 [10.1175/1525-7541(2003)004<0062:TSOWAC>2.0.CO;2] [Journal Article/Letter]

2001. "The effect of sub-grid variability of soil moisture on the simulation of mesoscale watershed hydrology." Land Surface Hydrology, Meteorology, and Climate: Observations and Modeling 161-176 [10.1029/WS003P0161] [Article in Book]

2000. "A comparison of tropical mesoscale convective systems in El Niño and La Niña." Journal of Climate 13 (18): 3314-3326 [10.1175/1520-0442(2000)013<3314:ACOTMC>2.0.CO;2] [Journal Article/Letter]

2000. "Modeling soil moisture and surface flux variability with an untuned land surface scheme: A case study from the Southern Great Plains 1997 Hydrology Experiment." Journal of Hydrometeorology 1 (2): 154-169 [10.1175/1525-7541(2000)001<0154:MSMASF>2.0.CO;2] [Journal Article/Letter]

1999. "The contribution to tropical rainfall with respect to convective system type, size, and intensity estimated from the 85 GHz ice scattering signature." Journal of Applied Meteorology 38 596-606 [10.1175/1520-0450(1999)038<0596:TCTTRW>2.0.CO;2] [Journal Article/Letter]

1997. "The role of convective processes over the Zaire-Congo Basin to the southern hemisphere ozone maximum." Journal of Geophysical Research: Atmospheres 102 18,963-18,980 [10.1029/97JD01018] [Journal Article/Letter]

1996. "Mesoscale convective systems defined by their 85 GHz ice scattering signature: Size and intensity comparison over tropical oceans and continents." Monthly Weather Review 124 2417-2437 [10.1175/1520-0493(1996)124<2417:MCSDBT>2.0.CO;2] [Journal Article/Letter]

1996. "A comparison of WSR-88D reflectivities, SSM/I brightness temperatures, and lightning for mesoscale convective systems in Texas Part I: Radar reflectivity and lightning." Journal of Applied Meteorology 35 (6): 902-918 [10.1175/1520-0450(1996)035<0902:ACOWRS>2.0.CO;2] [Journal Article/Letter]

1996. "A comparison of WSR-88D reflectivities, SSM/I brightness temperatures, and lightning for mesoscale convective systems in Texas Part II: SSM/I brightness temperatures and lightning." Journal of Applied Meteorology 35 (6): 919-931 [10.1175/1520-0450(1996)035<0919:ACOWRS>2.0.CO;2] [Journal Article/Letter]

1996. "Defining mesoscale convective systems by their 85-GHz ice-scattering signatures." Bulletin of the American Meteorological Society 77 (6): 1179-1189 [10.1175/1520-0477(1996)077<1179:DMCSBT>2.0.CO;2] [Journal Article/Letter]