Gabor Vali work page and index

Publications and presentations          Online reports          Crystal photos           



Selected publications, by topic:


Vali, G., 2021: "Exploratory experiments on pre-activated freezing nucleation on mercuric iodide." Atmos. Chem. Phys., 21, 2551-2568.

Vali, G., 2019: "Revisiting the differential freezing nucleus spectra derived from drop-freezing experiments: methods of calculation, applications, and confidence limits." Atmos. Meas. Tech., 12, 1219-1231.

" Novelties in ice nucleation terminology."    Paper presented at the ICNAA conference in Helsinki. 2017

Vali, G., P. J. DeMott, O. Mōhler and T.F. Whale, 2015: "Technical Note: A proposal for ice nucleation terminology."   Atmos. Chem. Phys., 15, 10263-10270.

Vali, G. and J. R. Snider, 2015: "Time-dependent freezing rate parcel model"   Atmos. Chem. Phys., 15, 2071-2079.

Vali, G., 2014: "Interpretation of freezing nulceation experiments: singular and stochastic; sites and surfaces." Atmos. Chem. Phys., 14, 5271-5294.

DeMott, Paul, J., Ottmar Möhler, Olaf Stetzer, Gabor Vali, Zev Levin, Markus D. Petters, Masataka Murakami, Thomas Leisner, Ulrich Bundke, Holger Klein, Zamin A. Kanji, Richard Cotton, Hazel Jones, Stefan Benz, Maren Brinkmann, Daniel Rzesanke, Harald Saathoff, Mathieu Nicolet, Atsushi Saito, Bjorn Nillius, Heinz Bingemer, Jonathan Abbatt, Karin Ardon, Eli Ganor, Dimitrios G. Georgakopoulos, Clive Saunders, 2011: Resurgence of ice nuclei measurement reserach. Bull. Amer. Meteor.Soc., 92, 1623-1635.

Vali, G., 2008: "Repeatability and randomness in heterogeneous freezing nucleation."    Atmos. Chem. Phys., 8, 5017-5031.

O. Mōhler, P. J. DeMott, G. Vali, and Z. Levin, 2007: Microbiology and atmospheric processes: the role of biological particles in cloud physics. Biogeosciences, 4, 1059-1071.

" Ice initiation in the atmosphere and in the laboratory."    September 26, 2007 talk given at the International Workshop on Comparing Ice Nucleation Measuring Systems, ICIS-07, Karlsruhe, Germany,

" Ice Observations, 1949-2004; Part 1 - Historical."    June 7, 2004 presentation at the Ice Initiation Workshop, Boulder, Colorado. (11 MB file)

" Ice Observations, 1949-2004; Part 2 - Recent results."    June 7, 2004 presentation at the Ice Initiation Workshop, Boulder, Colorado. (33 MB file)

"Ice nucleation - theory. A tutorial."   Presentation at the 1999 NCAR/ASP Summer Colloquium. (The .pdf version might miss some symbols depending on the version of Acrobat Reader you use. For a better copy download the postscript version.)

"Ice nucleation - a review." 1996

"Jegkezodes a legkorben es a bioszferaban " Magyar Tudomany, 8, 922-934. 1995.

"Principles of ice nucleation." Chapter 1. in "Biological Ice Nucleation and Its Applications" R.E. Lee Jr. and G.J. Warren editors, APS Press, St.Paul, Minnesota. pp.1 - 28. 1995.

"The discovery of bacterial ice nucleation and the role of bacterial ice nucleation in frost injury to plants" by C.D. Upper and G. Vali. Chapter 2 in "Biological Ice Nucleation and Its Applications" R.E. Lee Jr. and G.J. Warren editors, APS Press, St.Paul, Minnesota. pp. 29-40. 1995.

"Freezing rate due to heterogeneous nucleation." J. Atmos. Sci., 51,1843-1856. 1994.

"Memory effect in the nuclation of ice on mercuric iodide". in "Nucleation and Atmospheric Aerosols", N. Fukuta and P. Wagner (eds.), A. Deepak Publ., 1992.

"Atmospheric ice nucleation - a review" J. Rech. Atmos., 19, 105-112.1985.


Airborne Measurments for Environmental Research: Methods and Instruments Chapter 9: "LIDAR and RADAR observations" - Co-Editor with J. Pelon. 2013.

Wang, Z., J. French, G. Vali, P. Wechsler, S. Haimov, A. Rodi, M. Deng, D. Leon, J. Snider, L. Peng, and A. L. Pazmany, 2012: "Single Aircraft Integration of Remote Sensing and In-situ Sampling for the Study of Cloud Microphysics and Dynamics." Bull. Amer. Meteor. Soc., 93, 653-668.

Vali, G., D. Leon, and J. R. Snider, 2012: "Ground-layer snow clouds." Quart. J. Roy. Meteor. Soc., 138, 1507-1525; doi: 10.1002/qj.1882.

Pokharel, B. and G. Vali, 2011: "Evaluation of co-located measurements of radar reflectivity and particle sizes in cie clouds"  J. Appl. Meteor. Climat., 50, 2104-2119, doi: 2110.1175/JAMC-D-2110-05010.05011.

Vali, G., B. Geerts, D. Leon and J.R. Snider, 2008: "Surface sources of ice particles in mountain clouds."  Paper presented at the 15th International Conference on Clouds and Precipitation. Cancun, Mexico. July 2008.

Damiani, R. and G. Vali, 2007: "Evidence for tilted toroidal circulation in cumulus." J. Atmos. Sci., 64, 2045-2060.

" Cloud structure influence on ice formation. Looking deep into clouds with an airborne radar. "     October 22, 2007 talk given at the 9th WMO Scientific Conference on Weather Modification. Antalya, Turkey.

"Summery of IAPSAG findings." Talk given as part of the Forum of the 9th WMO Scientific Conference on Weather Modification, October 25, 2007.

Petters, M. D., J. R. Snider, B. Stevens, et al., 2006: Accumulation mode aerosol, pockets of open cells, and particle nucleation in the remote subtropical pacific marine boundary layer. J. Geophys. Res., 111, D02206, doi:10.1029/2004JD005694.

Leon, D., G. Vali, and M. Lothon, 2006: Dual-doppler analysis in a single plane from an airborne platform. Journal of Atmospheric and Oceanic Technology, 23, 3-22.

Damiani, R., G. Vali, and S. Haimov, 2006: The structure of thermals in cumulus from airborne dual-doppler radar observations. J. Atmos. Sci., 63, 1432-1450.

vanZanten, M. C., B. Stevens, G. Vali, et al., 2005: Observations of drizzle in nocturnal marine stratocumulus. Journal of the Atmospheric Sciences, 62, 88-106.

Stevens, B., G. Vali, K. Comstock, et al., 2005: Pockets of open cells and drizzle in marine stratocumulus. Bulletin of the American Meteorological Society, 86, 51-57.

Lothon, M., D. H. Lenschow, D. Leon, et al., 2005: Turbulence measurements in marine stratocumulus with airborne doppler radar. Quart. J. Roy. Metetor. Soc., 131, 2063-2080.

" Structure of "non-drizzling" marine stratocumulus."    July 23, 2004 presentation at the 14th International Conference on Clouds and Precipitation. Bologna, Italy.

"Airborne radar observations of non-drizzling marine stratocumulus. "    Paper to be presented at the Intern'l Conference on Clouds and Precipitation, Bologna, July 2004.

Stevens, B., D. H. Lenschow, G. Vali, et al., 2003: Dynamics and chemistry of marine stratocumulus{mdash}DYCOMS-II. Bulletin of the American Meteorological Society, 84, 579-593.

Stevens, B., D. H. Lenschow, I. Faloona, et al., 2003: On entrainment rates in nocturnal marine stratocumulus. Quarterly Journal of the Royal Meteorological Society, 129, 3469-3493.

"Polarimetric signatures from ice crystals observed at 95 GHz in winter clouds. Part I: Dependence on crystal form." by M. Wolde and G. Vali. J. Atmos. Sci., 58, 828-841, 2001

"Polarimetric signatures from ice crystals observed at 95 GHz in winter clouds. Part II: Frequencies of occurrence." by M. Wolde and G. Vali J. Atmos. Sci., 58, 842-849, 2001.

"Cloud structure and crystal growth in Nimbostratus." M. Wolde and G. Vali. Atmos..Res., 61, 49-74, 2001

"Evaluations of COAMPS forecasts of coastal stratus using satellite microphysical retrievals and aircraft measurements." by Melanie A. Wetzel, William T. Thompson, Gabor Vali, Steven K. Chai, Tracy Haack, Marcin J. Szumowski and Robert Kelly. Weath. and Forecasting,16, 588-599, 2001.

"Observations of microphysics pertaining to the development of drizzle in warm, shallow cumulus clouds" by J.R. French, G. Vali and R.D. Kelly, Quart. J. Roy. Meteor. Soc., 126, 415-443, 2000.

"Evolution of small cumulus clouds in Florida: Observations of pulsating growth." by J.R. French, G. Vali and R.D. Kelly, Atmos. Res. 52, 143-165, 1999.

"Finescale structure and microphysics of coastal stratus." by G. Vali, R.D. Kelly, J. French, S. Haimov, D. Leon, R.E. McIntosh and A. Pazmany, J. Atmos. Sci., 55, 3540-3564, 1998. (a draft version of the paper is available online ).

"Retrieval of three-dimensional particle velocities from airborne Doppler radar data" by D. Leon and G. Vali, J. Atmos. Oceanic Technol., 15, 860-870, 1998.

"Detection of ice hydrometeor alignment using an airborne W-bandpolarimetric radar". by J. Galloway, A. Pazmany, J. Mead, R.E. McIntosh, D. Leon, J. French, R. Kelly and G. Vali, J. Atmos. Oceanic Technol., 14,, 3-12, 1997.

"Airborne radar and in-situ observations of a shallow stratus with drizzle" by G. Vali, R. Kelly, A. Pazmany and R.E. McIntosh. Atmos. Res., 38, 361-380, 1995.

"An airborne 95 GHz polarimetric radar for cloud studies". by A. Pazmany, R.E. McIntosh, R. Kelly and G. Vali. IEEE Trans. Geosci. Remote Sensing , 32, 731-739. 1993


"Rain and Snow - Water and Ice." Talk given at the Western Wyoming Community College, January 31, 2008.

"What global climate change means?" Talk given as part of the Focus the Nation program, Rock Springs, WY. January 31, 2008.

" What will the doctor prescribe? - A look at weather modification."   January 31, 2007 talk given at the reception for the International Symposium on Weather Modification. Tsukuba, Japan. Other presentations at the symposium can be found on this site.

" Reflections on PEP-SSP3 and the status os weather modification efforts."   Talk given in Valladolid, Spain, May 7, 2005.

" Aerosols: Direct and Indirect Effects ."   Chapter 5 of IPCC Working Group I: The scientific basis.

"Wanted: More PhDs. Graduate Enrollments in the Atmospheric Sciences." by G. Vali, R. Anthes, D. Thomson, D. Houghton, J. Fellows and S. Warner. Bull. Amer. Meteorol. Soc., 83, 63-71, 2002.

"A balloon-borne cloud condensation nuclei counter" by D.J. Delene, T. Deshler, P. Wechsler and G. Vali. J. Geophys. Res., 103, 8927-8934, 1998.

"Calibration of a photoelectric cloud condensation nucleus counter" by J.C. Parente de Oliviera and G. Vali. Atmos. Res., 38, 237-248. 1995.

"Sulfur dioxide oxidation in wintertime orographic cap clouds." by J.R. Snider and G. Vali. J. Geophys. Res. (Atm.), 99, 18713-18733. 1994.

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Online reports:

Papers related to the radar work are listed here.

DYCOMS project reports here.

Last modified: February 2023