Profile for Gerald Heymsfield

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Title: Research Meteorologist
Affiliation: NASA
Contact: E-mail
Code 613.1
Building 33, Room A405
Greenbelt, MD 20771

Office Phone: 301-614-6369
Fax: 301-614-5492


Ph.D. - 1976 - Meteorology - University of Oklahoma M.S. - 1972 - Geophysical Sciences - University of Chicago B.S. - 1971 - Physics - State University of New York

Research Interests


Updates to our publications records have been put on hold until a new storage and delivery system has been put in place. As a result, this information is currently out of date and does not include the most recent publications. For a more complete listing of publications, please visit the Sciences and Exporation Directorate.

Guimond, S., L. Tian, G. M. Heymsfield, and S. J. Frasier (2014). Wind Retrieval Algorithms for the IWRAP and HIWRAP Airborne Doppler Radars with Applications to Hurricanes. J. Atmos. Oceanic Technol., 31(6), 1189–1215.

Braun, S. A., R. Kakar, E. Zipser, G. M. Heymsfield, C. Albers, S. Brown, S. L. Durden, S. R. Guimond, J. Halverson, A. Heymsfield, S. Ismail, B. Lambrigtsen, T. Miller, S. Tanelli, J. Thomas, and J. Zawislak (2013). NASA's Genesis and Rapid Intensification Processes (GRIP) Field Experiment Bulletin of the American Meteorological Society, 94(3), 345-363

Heymsfield, G. M., L. Tian, L. Li, M. McLinden, and J. I. Cervantes (2013). Airborne Radar Observations of Severe Hailstorms: Implications for Future Spaceborne Radar Journal of Applied Meteorology and Climatology, 52(8), 1851-1867

McLinden, M., J. Carswell, L. Li, G. M. Heymsfield, A. Emory, J. I. Cervantes, and L. Tian (2013). Utilizing Versatile Transmission Waveforms to Mitigate Pulse-Compression Range Sidelobes with the HIWRAP Radar IEEE Transactions on Geoscience and Remote Sensing, 10(6), 1365-1368

Reinhart, B., H. Fuelberg, R. Blakeslee, D. Mach, A. Heymsfield, A. Bansemer, S. L. Durden, S. Tanelli, G. M. Heymsfield, and B. Lambrigtsen (2013). Understanding the Relationships between Lightning, Cloud Microphysics, and Airborne Radar-Derived Storm Structure during Hurricane Karl (2010) Monthly Weather Review, 142, 590-605

Evans, K. F., J. R. Wang, D. O'C Starr, G. Heymsfield, L. Li, L. Tian, R. P. Lawson, A. J. Heymsfield, and A. Bansemer (2012). Ice hydrometeor profile retrieval algorithm for high-frequency microwave radiometers: Application to the CoSSIR instrument during TC4. Atmos. Meas. Tech., 5, 2277-2306

Minnis, P., G. Hong, J. K. Ayers, W. L. Smith, Jr., C. R. Yost, A. J. Heymsfield, G. M. Heymsfield, D. J. Hlavka, M. D. King, E. Korn, M. J. McGill, H. B. Selkirk, A. M. Thompson, L. Tian, and P. Yang (2012). Simulations of Infrared Radiances over a Deep Convective Cloud System Observed during TC4: Potential for Enhancing Nocturnal Ice Cloud Retrievals Remote Sensing, 4(10), 3022-3054

Guimond, S.R., G.M. Heymsfield, and Joseph Turk (2010). Multiscale Observations of Hurricane Dennis (2005): The Effects of Hot Towers on Rapid Intensification J. Atmos. Sci., 67(Special Collection), 633-654

Heymsfield, G.M., L. Tian, A.J. Heymsfield, L. Li, and S.R. Guimond (2010). Characteristics of deep convection from nadir viewing high-altitude airborne radar J. Atmos. Sci., 67(2), 285–308

Schmidt K. S., P. Pilewskie, B. Mayer, M. Wendisch, B. Kindel, S. Platnick, M.D. King, G. Wind, G. T. Arnold, L. Tian, G. Heymsfield, and H. Kalesse (2010). Apparent absorption of solar spectral irradiance in heterogeneous ice clouds J. Geophys. Res., D00J22, 115.

Tian, L., G.M. Heymsfield, A.J. Heymsfield, L. Li, and R. Srivastava (2010). A study of cirrus ice particle size distribution using TC4 observations J. Atmos. Sci., 67(1), 195–216

Heymsfield A.J., A. Bansemer, G.M. Heymsfield, and A.O. Fierro (2009). Microphysics of maritime tropical convective updrafts at temperatures from -20 to -60C J. Atmos. Sci., 66(12), 3530-3562

Ismail S., R.A. Ferrare, E.V. Browell, S.A. Kooi, J.P. Dunion, G.M. Heymsfield, A. Notari, C.F. Butler, S. Burton, M. Fenn, T.N. Krishnamurti, M. Biswas, G. Chen, and B. Anderson (2009). LASE measurements of water vapor, aerosol, and cloud distributions in Saharan air layers and tropical disturbances J. Atmos. Sci., 67(4), 1026-1047

Jensen E. J., P. Lawson, B. Baker, B. Pilson, Q. Mo, A.J. Heymsfield, A. Bansemer, T.P. Bui, M. McGill, D. Hlavka, G.M. Heymsfield, S. Platnikk, G.T. Arnold, and S. Tanelli (2009). On the importance of small ice crystals in tropical anvil cirrus J. Atmos. Chem. Phys., 9(15), 5519-5537

Jensen E. J., P. Lawson, B. Baker, B. Pilson, Q. Mo, A. J. Heymsfield, A. Bansemer, T. P. Bui, M. McGill, D. Hlavka, G. Heymsfield, S. Platnick, G. T. Arnold, and S. Tanelli (2009). On the importance of small ice crystals in tropical anvil cirrus Atmos. Chem. Phys., 9, 5519-5537

Liao, L., R. Menenghini, L. Tian, and G.M. Heymsfield (2009). Measurements and Simulations of Nadir-Viewing Radar Returns from the Melting Layer at X and W Bands J. Appl. Meteor. Climat., 48(11), 2215–2226

Zipser E. J., C. H. Twohy, S.C. Tsay, K. L. Thornhill, S. Tanelli, R. Ross, T. N. Krishnamurti, Q. Ji, G. Jenkins, S. Ismail, N.C. Hsu, R. Hood, G.M. Heymsfield, A. Heymsfield, J. Halverson, M. W. Goodman, R. Ferrare, J. P. Dunion, M. Douglas, and et al. (2009). The Saharan Air Layer and the Fate of African Easterly Waves: NASA’s AMMA 2006 Field Program to Study Tropical Cyclogenesis: NAMMA Bull. Amer. Meteor. Soc., 90, 1137-1156

Zipser E.J., C.H. Twohy, S-C. Tsay, K.L. Thornhill, S. Tanelli, R. Ross, T.N. Krishnamurti, Q. Ji, G. Jenkins, S. Ismail, N. Hsu, R. Hood, G.M. Heymsfield, A. Heymsfield, J. Halverson, M.W. Goodman, R. Ferrare, J.P. Dunion, M. Douglas, R. Cifelli, G. Chen, E.V. Browell, and B. Anderson (2009). The Saharan air layer and the fate of the African easterly waves – NASA's AMMA 2006 field program to study tropical cyclologenesis: NAMMA Bull. Amer. Meteor. Soc., 90(8), 1137–1156

Jensen E.J., P. Lawson, B. Baker, B. Pilson, Q. Mo, A.J. Heymsfield, A. Bansemer, T.P. Bui, M. McGill, D. Hlavka, G.M. Heymsfield, S. Platnick, G.T. Arnold, and S. Tanelli (2008). On the importance of small ice crystals in tropical anvil cirrus Atmos. Chem. Phys. Discuss., 9(15), 5519-5537

Liao, L., G.M. Heymsfield, L. Tian, and R. Meneghini (2008). Retrieval of snow and rain from combined X- and W-band airborne radar measurements IEEE Trans. Geo. Rem. Sens., 46(5), 1514-1524

Sayres D.S., J.B. Smith, J.V. Pittman, E.M. Weinstock, J.G. Anderson, G.M. Heymsfield, L. Li, A.M. Fridlind, and A.S. Ackerman (2008). Validation and determination of ice water content - radar reflectivity relationships during CRYSTAL-FACE: Flight requirements for future comparisons J. Geophys. Res., 113(D05208).

Tian, L., G.M. Heymsfield, L. Li, and R. Srivastava (2008). Properties of Light Stratiform Rain Derived from 10 and 94 GHz Airborne Doppler Radars Measurements J. Geophys. Res., 112(D11211).

Halverson J., M. Black, S.A. Braun, P.L. Azofeifa, D. Cecil, M. Goodman, A. Heymsfield, G.M. Heymsfield, R. Hood, T. Krishnamurti, G. McFarquhar, J. Molinari, R. Rogers, J. Turk, C. Velden, D.-L. Zhang, E. Zipser, and R. Kakar (2007). NASA's Tropical Cloud Systems and Processes (TCSP) Experiment: Investigating Tropical Cyclogenesis and Hurricane Intensity Change Bull. Amer. Meteor. Soc., 88, 867-882

Tian, L., G.M. Heymsfield, L. Li, and R. Srivastava (2007). Properties of light stratiform rain derived from 10- and 94GHz airborne Doppler radars measurements J. Geophys. Res..

Tian, L., G.M. Heymsfield, L. Li, and R. C Srivastava (2007). Retrieval of raindrop size distribution, vertical air velocity and water vapor attenuation using dual-wavelength Doppler radar observations J. Geophys. Res., 112(D11), D11211

Halverson J., J. Simpson, G.M. Heymsfield, H. Pierce, T. Hock, and L. Ritchie (2006). Warm core structure of Hurricane Erin diagnosed from high-altitude dropsondes during CAMEX-4 J. Atmos. Sci., 63(1), 127-150

Heymsfield, G.M., J. Halverson, E. Ritchie, J. Simpson, J. Molinari, and L. Tian (2006). Structure of the highly sheared Tropical Storm Chantal during CAMEX-4 J. Atmos. Sci., 63(1), 268-287

Hood R., D. Cecil, F. LaFontatine, R. Blakeslee, D. Mach, G.M. Heymsfield, F. Marks, and E. Zipser (2006). Classification of Tropical Oceanic Precipitation using High Altitude Aircraft Microwave and Electric Field Measurements J. Atmos. Sci., 63(1), 218-233

McFarquhar G., H. Zhang, J. Dudhia, J. Halverson, G.M. Heymsfield, R. Hood, and F. Marks (2006). Factors affecting the evolution of Hurricane Erin and distributions of hydrometeors: role of microphysical processes. J. Atmos. Sci., 63(1), 127-150

Wu L., S.A. Braun, J. Halverson, and G.M. Heymsfield (2006). A numerical study of Hurricane Erin (2001). Part I: Model Verification and Storm Evolution J. Atmos. Sci., 63(1), 65-86

Evans K.F., J.R. Wang, P.E. Racette, and G.M. Heymsfield (2005). Ice cloud retrievals and analysis with the Compact Scanning Submillimeter Imaging Radiometer and the Cloud Radar System during CRYSTAL FACE JAM, 44, 839-859

Heymsfield, G.M., and L. Li (2005). Development of high altitude UAV weather radars for Hurricanes Interagency Hurricane Conference

Li, L., G.M. Heymsfield, L. Tian, and P.E. Racette (2005). Measurements of ocean surface backscattering using an airborne 94-Ghz cloud radar-implication for calibration of the airborne and spaceborne W-band radars J. Atmos. Ocean. Tech., 22, 1033-1045

Mitrescu C., J.M. Haynes, G.L. Stephens, S.D. Miller, G.M. Heymsfield, and M. McGill (2005). Cirrus cloud optical, microphysical, and radiative properties observed during the CRYSTAL-FACE experiment: A lidar-radar retrieval system JGR, 110(D9), D09208

Wang Z., G.M. Heymsfield, L. Li, and A. Heymsfield (2005). Retrieving optically thick ice cloud microphysical properties by using Airborne Dual-wavelength Radar Measurements J. Geophys. Res., 110(D19201).

Wu L., S.A. Braun, J. Halverson, and G.M. Heymsfield (2005). A numerical study of Hurricane Erin (2001). Part I: Model verification and storm evolution. J. Atmos. Sci., 63, 65-86

Li, L., G.M. Heymsfield, P.E. Racette, L. Tian, and E. Zenker (2004). A 94 Ghz cloud radar system on a NASA High-altitude ER-2 aircraft J. Atmos. Ocean. Tech., 21, 1378-1388

McGill, M., D. Hlavka, G.M. Heymsfield, L. Li, M.A. Vaughan, L. Tian, P.E. Racette, D.M. Winker, and W. Hart (2004). Combined lidar-radar remote sensing: Initial results from CRYSTAL-FACE and Implications for Future Spaceflight Missions J. Geophys. Res., 109.

Ridley B., L. Ott, L. Emmons, D. Montzka, A. Weinheimer, D. Knapp, F. Grahek, L. Li, M. McGill, P. Kucera, M.J. Mahoney, G.M. Heymsfield, and G. Brasseur (2004). Florida Thunderstorms: A faucet of reactive nitrogen to the upper troposphere J. Geophys. Res., DI7305

Black R., G.M. Heymsfield, and J. Hallett (2003). Extra large particle images at 12 km in a hurricane eyewall: Evidence of high-altitude supercooled water? Geophys. Res. Lett, 30(21), Art. No. 212

Meneghini, R., S. Bidwell, R. Rincon, G.M. Heymsfield, and L. Liao (2003). Differential-frequency Doppler weather radar: Theory and experiment Radio Science, 38(3), Art. No. 8040

Skofronick-Jackson G., J. Wang, G.M. Heymsfield, R. Hood, W. Manning, R. Meneghini, and J. Weinman (2003). Combined radiometer-radar microphysical profile estimations with emphasis on high-frequency brightness temperature observations J. Appl. Meteor., 42(4), 476-487

Tian, L., G.M. Heymsfield, and R. Srivastava (2002). Measurement of attenuation with airborne and ground-based radar in convective storms over land and its microphysical implications J. Atmos. Ocea. Tech., 41, 716-733

Heymsfield, G.M., J. Halverson, and L. Tian (2001). Hurricane Bonnie Eyewall Landfall Observed with NASA Aircraft Observations During CAMEX-3 USWRP Science Symposium

Heymsfield, G.M., B. Geerts, and L. Tian (2001). TRMM precipitation radar reflectivity profiles compared to high-resolution airborne and ground-based measurements J. Appl. Meteor., 39(12), 2080-2102

Meneghini, R., L. Liao, S.W. Bidwell, and G.M. Heymsfield (2001). On the feasibility of a differential-frequency Doppler weather radar IEEE Trans. Geo. Rem. Sens., 39, 2203-2316

Bidwell S.W., R. Meneghini, L. Liao, R.F. Rincon, and G.M. Heymsfield (2000). Application of a differential reflectivity techniques to the EDOP radar in ground-based operation. Proc. IGARSS 2000, 5, 1789-1791

Geerts B., G.M. Heymsfield, L. Tian, and J. Halverson (2000). Hurricane George Landfall in the Dominican Republic: Detailed Airborne Doppler Radar Imagery Bull. Amer. Meteor. Soc., 81(5), 999-1018

Heymsfield, G.M., J.B. Halverson, J. Simpson, L. Tian, and P. Bui (2000). ER-2 Radar (EDOP) Investigations of the Eyewall of Hurricane Bonnie During CAMEX-3 J. Appl. Meteor., 39(12), 2080-2102

Heymsfield, G.M., J. Halverson, L. Tian, and B. Geerts (2000). Hurricane Bonnie Landfalling Observed from ER-2 Doppler Radar on 26 August 1998 During CAMEX-3 24th Conference on Hurricanes and Tropical Meteorology, AMS

Heymsfield, G.M., L. Tian, A. Heymsfield, and E. Brandes (2000). Vertical Structure of Stratiform Rain During TEFLUN-B and TRMM-LBA as Derived From an Airborne Radar Perspective AGU Fall Meeting

Tao W.-K., R.F. Adler, S.A. Braun, F. Einaudi, B. Ferrier, J. Halverson, G.M. Heymsfield, C. Kummerow, A. Negri, and R. Kakar (2000). Summary of a Symposium on Cloud Systems, Hurricanes and TRMM: Celebration of Dr. Joanne Simpson's Career - The First Fifty Years Bull. Amer. Meteor. Soc., 81, 2463-2474

Geerts B., G.M. Heymsfield, and L. Tian (1999). Airborne Radar Observations of Hurricane Georges During Landfall Over the Dominican Republic Gen. Ass. Eur. Geoph. Soc.

Geerts B., G.M. Heymsfield, and L. Tian (1999). High Resolution Reflectivity Profiles in Various Convectively Generated Precipitation Systems 29th Conference on Radar Meteorology, AMS

Heymsfield, G.M., J.B. Halverson, and I.J. Caylor (1999). A Wintertime Gulf Coast Squall Line Observed by EDOP Airborne Doppler Radar Mon. Wea. Rev., 127, 2928-2949

Heymsfield, G.M., B. Geerts, and L. Tian (1999). Radar Observations of Convective Systems from a High-Altitude Aircraft Gen. Ass. Eur. Geophy. Soc..

Heymsfield, G.M., L. Tian, and B. Geerts (1999). Rain Fallspeeds and Rates Derived from Airborne Nadir-Pointing Doppler Radar Measurements 29th Conf. on Radar Meteorology

Heymsfield, G.M., and E. Zipser (1999). TRMM Validation During the Texas and Florida Underflights Experiment (TEFLUN): Experiment Design and Preliminary Results AMS 23rd Conference on Tropical Meteorology and Hurricanes

Tian, L., G.M. Heymsfield, and S.W. Bidwell (1999). Potential Application of Surface Reference Technique Over Land and Large Incidence Angle Preprints 29th Conference on Radar Meterology, AMS

Zipser E.L., G.M. Heymsfield, C. Kummerow, J. Simpson, O. Thiele, S. Rutledge, M.A. Silva Dias, R.A. Houze Jr., S. Yuter, and R. Kakar (1999). TRMM Field Campaigns: Objectives and Status Report '99 AGU Spring Meeting

Bidwell S.W., G.M. Heymsfield, E. Zenker, F. Hallahan, and L. Tian (1998). Recent Developments with the NASA ER-2 Doppler Radar IGARSS 98 Conference

Zipser E., S. Yuter, D. Short, S. Rutledge, R. Houze, G.M. Heymsfield, J. Halverson, and B. Ferrier (1998). The role of field campaigns in TRMM validation AMS Conference on Cloud Physics