Jerry Y. Harrington

Jerry Y. Harrington

  • Professor of Meteorology
  • Associate Head, Graduate Program in Meteorology
514 Walker Building
University Park, PA 16802


  1. PhD -- Colorado State University

Research Specialties:

Boundary Layer and Turbulence:

Using numerical models, my group studies the dynamic evolution of boundary layer clouds in the subtropics and the arctic. Our primary focus is on the interactions between precipitation formation (both liquid and ice), radiation, and the dynamics/turbulence in boundary layer stratocumulus.

Clouds and Cloud Physics:

Use sophisticated numerical models and participate in field experiments designed to unravel the reasons behind why clouds behave they way they do in nature. Join my group and become an essential part of a team that develops and uses innovative cloud modeling techniques. Some of our field work will take us to remote places in the arctic wilderness where we shall investigate the structure and dynamics of arctic clouds.

Radiative Transfer:

My research in radiative transfer has been primarily focused on cloud-radiation interactions. My group has done work on how radiative heating and cooling alters the formation of water drops and the growth of drops/ice crystals in clouds. My students also work with Professor Eugene Clothiaux's and Professor Paul Markowski's groups on radiative interactions with stratiform and deep convective clouds.


Research Interests

Dr. Harrington's research focuses on cloud processes. His work ranges from studying the growth of individual drops and ice crystals, to studying the structure, microphysics, and dynamical evolution of cloud systems. Studies of droplet and ice crystal growth is done theoretically and in the laboratory where particles can be studied in highly controlled environments. Jerry also works on the radiative, turbulent, and microphysical processes within clouds using both measurements and models. He continues to be involved in a number of Arctic field studies that attempt to understand Arctic cloud processes. Jerry and his group also develop numerical models to understand the interactions between radiation, microphysics, and turbulence within clouds. The group's modeling studies have ranged from studying layered clouds in the subtropics and the arctic, to simulations of three dimensional radiative effects on supercell thunderstorms.

Teaching Interests

Atmospheric radiation, cloud physics, boundary layer meteorology, computers in the atmospheric sciences


Selected Publications

Sheridan, L.M., J.Y. Harrington, D. Lamb, and K. Sulia, 2010: Influence of ice aspect ratio on the Evolution of Ice Size Spectra during Vapor Depositional Growth. Accepted to J. Atmos. Sci.

Avramov, A. and J.Y. Harrington, 2010: On the impact of ice habit parameterizations on simulated mixed-phase stratus. Revisions submitted to J. Geophys. Res.

Harrington, J.Y., D. Lamb, and R. Carver, 2009: Parameterization of Surface-Kinetic Effects for Bulk Microphysical Models: Influences on Simulated Cirrus Dynamics and Structure. In press at J. Geophys. Res.

Frame, J., J. Petters, P. M. Markowski, and J, Y. Harrington, 2009: An application of the tilted independent pixel approximation to cumulonimbus environments. Atmospheric Research , 91 , 127-136, doi:10.1016/j.atmosres.2008.05.005

Lebo, Z., N. Johnson, and J.Y. Harrington, 2008: Radiative influences on ice crystal and droplet growth within mixed-phase stratus clouds. J. Geophys. Res., D09203, doi:10.1029/2007JD008262.

Prenni, A.J., J.Y. Harrington, M. Tjernstrom, P.J. DeMott, A. Avramov, C.N. Long, S.M. Kreidenweis, P.Q. Olsson, and J. Verlinde, 2007: Can ice-nucleating aerosols affect arctic seasonal climate? Bull. Amer. Meteorol. Soc., 88 , 540-550.

Xue, H., A. Moyle, N. Magee, J. Harrington, and D. Lamb, 2005: Experimental studies of droplet evaporation kinetics: Validation of models for binary and ternary aqueous solutions. J. Atmos. Sci. 62 , 4310-4326.

Marquis, J. and J.Y. Harrington, 2005: Radiative influences on drop and CCN equilibrium in stratocumulus. J. Geophys. Res., 110, D10205, doi: 10.1029/2004JD005401.

Markowski, P., and J. Harrington, 2005: A simulation of a supercell thunderstorm with emulated radiative cooling beneath the anvil. J. Atmos. Sci., 62 , 2607-2617.

Hartman, C., and J.Y. Harrington, 2005: Solar radiative impacts on the growth of a population of drops within simulated marine stratocumulus. Part II: Solar zenith angle variations. J. Atmos. Sci., 62 , 2339-2351.

Hartman, C., and J.Y. Harrington, 2005: Solar radiative impacts on the growth of a population of drops within simulated marine stratocumulus. Part I: Maximum solar heating. J. Atmos. Sci., 62 , 2323-2338.

Feingold, G., H. Jaing, and J.Y. Harrington, 2005: On smoke suppression of clouds in Amazonia. Geophys. Res. Letters, 32, No. 2, L02804, 10.1029/2004GL021369.

Harrington, Jerry Y., and Peter Q. Olsson 2001: Numerical simulations of the influence of ice nuclei on mixed-phase stratus cloud dynamics over the marginal ice zone. J. Geophys. Res., 106, 27473-27484.

Harrington, Jerry Y., and Peter Q. Olsson 2001: A method for the parameterization of cloud radiative properties within numerical models. Implications for Arctic cloudy boundary layers. Accepted Atmos. Res.

Harrington, Jerry Y., Graham Feingold, and William R. Cotton, 2000: Radiative impacts on the growth of a population of drops within summertime arctic stratus. J. Atmos. Sci., 57, 766-785.

Olsson, Peter Q., and Jerry Y. Harrington, 2000: Dynamics and energetics of the cloudy boundary layer in simulations of off-ice flow in the marginal ice zone. J. Geophys. Res., 105, 11889-11899.

Harrington, Jerry Y. and Tamir Reisin, William R. Cotton and S. M. Kreidenweis, 1999: Exploratory cloud resolving simulations of arctic stratus. Part II: Transition-season clouds. Atmos. Res., 51,45-75.

Gabriel, P.M., Jerry Harrington, G.L. Stephens, and T. Schneider, 1997: Adjoint perturbation method applied to two-stream radiative transfer. J. Quant. Spectrosc. Radiat. Trans., 59, 1-24.

Meyers, Michael P., Walko, Robert L., Harrington, Jerry. and Cotton, William R., 1997:  RAMS cloud microphysics parameterization.  Part II:  The two-moment scheme.  Atmos. Res. 45, 3-39.

Olsson, Peter Q., Jerry Y. Harrington, Graham Feingold, William R. Cotton, and Sonia M. Kreidenweis, 1997: Exploratory cloud resolving simulations of Arctic stratus clouds. Part I: Warm season clouds.  Atmos. Res., 47-48, 573-597.

Harrington, Jerry Y., Michael P. Meyers, Robert L. Walko, and William R. Cotton, 1995: Parameterization of ice crystal conversion processes due to vapor deposition for mesoscale models using double-moment basis functions. Part I: Basic formulation and parcel model test. J. Atmos. Sci., 52, 4344-4366.

Walko, Robert L., William R. Cotton, Jerry Y. Harrington and Michael P. Meyers, 1995:  New RAMS cloud microphysics parameterization.  Part I:  The single-moment scheme.  Atmos. Res., 38, 29-62.