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Cecile Hannay: Resume

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Cecile Hannay

C cile Hannay

**** ***** **** *****, ******* CO 80305

Phone: 303-***-**** Fax: 303-***-**** Email: ******@****.***

WORK EXPERIENCE 2004 -Present: Associate Scientist at the National Center for Atmospheric Research, Boulder.

Main interest: Representation of clouds in large-scale models.

- Performed simulations and detailed analysis of forecasts to assess various cloud regimes in climate models.

- Detailed comparison of the NCAR and GFDL models in subsidence regimes.

- Responsible for coordination and support of climate simulations for the Climate Process Team (CPT) on Low Latitude Cloud Feedbacks on Climate Sensitivity.

- Maintains a web site for CPT participants.

2001- 2004: Associate Scientist at the Climate Diagnostics Center, Boulder.

Main interest: Sub-grid scale variability of cloud water in large-scale models

- Detailed analysis of Cloud Resolving Model (CRM) simulations of deep convection to characterize internal variability of clouds and water.

- Simulation of shallow convection cloud fields with a Large Eddy Simulation (LES) model.

- Study of 3D radiative transfer effects using Monte Carlo computations.

- Simulation of global climate with the global atmospheric model developedat the Geophysical Fluid Dynamics Laboratory (GFDL).

- Design, implementation and testing of scientific code for analysis and simulations, in Fortran 90 on Unix workstations and distributed Linux clusters.

1999-2001: Research Assistant at the University of Alaska, Fairbanks.

Main interest: Simulation of Arctic clouds

- Simulations of Arctic climate with the Single-Column Model of the Community Climate Model (CCM3)

- Evaluation of cloud parameterization over the Arctic and sensitivity studies to cloud microphysics.

- Designed scripts in Matlab and GrADS for climatological data analysis and model output analysis.

- Designed, wrote and tested programs in C, Fortran 77 and Fortran 90 on Unix workstation and PC.

1990-1998: Associate Scientist at the University of Li ge, Belgium.

Main interest: Experimental physics

- Implementation and testing of a test bench for calorimetric studies of electric vehicle's batteries.

- Recording and analysis of absorption spectra.

- Design and implementation of a texturing method of superconductors in a magnetic field.

SKILLS

- Experience in running models (e.g. Large-scale models, single column model, LES model, Monte Carlo simulations).

- Demonstrated experience with large climatological data sets and model outputs.

- Extensive experience in designing and implementing functions in Fortran 90.

- Broad experience with UNIX machines, including design of shell scripts.

- Knowledge of graphical and statistical packages (e.g. Matlab, ncl).

- Background in web design development.

EDUCATION 2001 Master's degree in Atmospheric Science. University of Alaska Fairbanks.

Thesis: Single Column Model Simulations of Arctic Cloudiness and Surface Radiative Fluxes during the SHEBA Experiment.

1990 Bachelor's degree in Physics, with thesis. University of Li ge, Belgium.

Thesis topic: Paradoxes resulting from the Irreversibility in Physics.

PUBLICATIONS J-H Yoon, P J Rasch, K Balaguru, C Hannay, and B Singh (2012) The Role of the Oceanic heat transport on Arctic Sea Ice change in the 20th Century. Submitted for publication in GRL.

Minghua Zhang et al., (2012). CGILS: First Results from an International Project to Understand the Physical Mechanisms of Low Cloud Feedbacks in General Circulation Models. Submitted for publication in BAMS.

J Lindvall, G Svensson, C Hannay (2012). Evaluation of near-surface parameters in the two versions of the 2 atmospheric model in CESM1 using flux station observations. Accepted for publication in J. Climate. [ - access restricted]

B. Medeiros, D L Williamson, C Hannay, J Olson. (2012) Southeast Pacific stratocumulus in the Community Atmosphere Model. J. Climate., In press,[]

Liu, X., Easter, R. C., Ghan, S. J., Zaveri, R., Rasch, P., Shi, X., Lamarque, J.-F., Gettelman, A., Morrison, H., Vitt, F., Conley, A., Park, S., Neale, R., Hannay, C., Ekman, A. M. L., Hess, P., Mahowald, N., Collins, W., Iacono, M. J., Bretherton, C. S., Flanner, M. G., and Mitchell, D. (2012). Toward a minimal representation of aerosol direct and indirect effects: model description and evaluation Geosci. Model Dev. Discuss., 4, 3485-3598 []

J. Teixeira, et al. (2011) Tropical and sub-tropical cloud transitions in weather and climate prediction models: the GCSS/WGNE Pacific Cross-section Intercomparison (GPCI). J. Climate, 24, 5223-5256. []

Wyant, M. C., Wood, R., Bretherton, C. S., Mechoso, C. R., Bacmeister, J., Balmaseda, M. A., Barrett, B., Codron, F., Earnshaw, P., Fast, J., Hannay, C., Kaiser, J. W., Kitagawa, H., Klein, S. A., K hler, M., Manganello, J., Pan, H.-L., Sun, F., Wang, S., and Wang, Y. (2009) The PreVOCA Experiment: Modeling the lower troposphere in the Southeast Pacific. Atmos. Chem. Phys. Discuss., 9, 239**-*****. []

C cile Hannay, David L Williamson, James J Hack, Jeffrey T Kiehl, Jerry G Olson, Stephen A Klein, Christopher S Bretherton, and Martin Koehler (2009), Evaluation of Forecasted Southeast Pacific Stratocumulus in the NCAR, GFDL and ECMWF Models. J. Climate, 22, 2871-2889. []

Brian E Mapes, Julio Bacmeister, Marat Khairoutdinov, C cile Hannay, Ming Zhao (2009), Virtual Field campaigns on deep tropical convection in climate models. J. Climate, 22, 244-257. []

Jeff Kiehl and C cile Hannay (2006), Climate Process Team (CPT): Low-Latitude Cloud Feedbacks on Climate Sensitivity. []

Robert Pincus, C cile Hannay, and K. Franklin Evans (2005), The accuracy of determining three-dimensional radiative transfer effects in cumulus clouds using ground-based profiling instruments, Journal of the Atmospheric Sciences, 62, 2284-2293. [pdf preprint]

Robert Pincus, C cile Hannay, Stephen A. Klein, and Kuan-Man Xu (2005), Overlap assumptions for assumed-PDF cloud schemes in large scale models, Journal of Geophysical Research, doi:10.1029/2004JD005100 []

Stephen A. Klein, Robert Pincus, C cile Hannay, and Kuan-Man Xu (2005), How might a statistical cloud scheme be coupled to a mass-flux convection scheme ?, Journal of Geophysical Research, doi:10.1029/2004JD005017. [pdf preprint]

C cile Hannay, Robert Pincus, K. Frank Evans (2004), Estimating Three-Dimensional Cloudy Radiative Transfer Effects from Time-Height Cross Sections, Fourteenth ARM Science Team Meeting, March 22 to 26, 2004, Albuquerque, New Mexico. [pdf preprint]

Christian Jakob, Robert Pincus, C cile Hannay, and Kuan-Man Xu (2004), The use of cloud radar observations for model evaluation: A probabilistic approach, Journal of Geophysical Research, doi:10.1029/2003JD003473. []

Robert Pincus, Stephen A. Klein, C cile Hannay, Kuan-Man Xu (2002) Representing cloud vertical structure in large-scale models. Proceedings of the GCSS Workshop on the Representation of Cloud Systems in Large Scale Models, Kananaskis, Alberta, 2002.

C cile Hannay, Uma S. Bhatt (2002) Simulations of Arctic Cloudiness., Volume 10, No. 1, []

C cile Hannay, Uma S. Bhatt, Jerry Harrington (2001) Single-Column Model Simulations of Arctic Cloudiness and Surface Radiative Fluxes during the Surface Energy Budget of Arctic (SHEBA) experiment. Proceedings of the Fifth Conference on Polar Meteorology and oceanography, May 14-18, 2001, San Diego, California.

PRESENTATIONS C cile Hannay, Rich Neale and Julio Bacmeister (2012), Running CAM at High Resolution. What does the resolution buy us ? Summary school on Climate Modeling, University of Stockholm, Stockholm, 28 May 2012. []

C cile Hannay (2012), Runnning CESM: An overview. Summary school on Climate Modeling, University of Stockholm, Stockholm, 21 May 2012. []

C cile Hannay, Rich Neale and Julio Bacmeister (2012), Running CAM at High Resolution. What does the resolution buy us ? CGD Research Reports, Boulder, 23 February 2012. []

C cile Hannay, Rich Neale and Julio Bacmeister (2012), Timeslice Experiments at High Resolution. What does the resolution buy us ? AMWG Meeting, Boulder, 1-3 February 2012. []

C cile Hannay et al. (2012), What's new in the AMWG diagnostics package ? AMWG Meeting, Boulder, 1-3 February 2012. []

C cile Hannay, Rich Neale and Julio Bacmeister (2012), High Resolution Climate Simulations with the Community Atmospheric Model (CAM) AMS 92th meeting, New Orleans, 22-26 January 2012. []

C cile Hannay and Rich Neale (2011), AMWG simulations.16th CESM Workshop, Breckenridge, 20 - 23 June 2011[]

C cile Hannay, Rich Neale, Andrew Gettelman, Jennifer Kay, Sungsu Park, Xiaohong Liu, Steve Ghan, Phil Rasch, and Jinho Yoon (2011), The CAM5.1 release and coupled simulations. 16th CESM Workshop, Breckenridge, 20 - 23 June 2011[]

C cile Hannay (2011), Atmospheric modeling and the Community Atmospheric Model (CAM) CESM tutorial, Los Alamos, April 25-29, 2011[]

C cile Hannay and Rich Neale (2011), CESM1-CAM5.1 degree coupled simulationsCGD Research Reports. March 24, 2011 []

C cile Hannay and Rich Neale (2011), CESM1-CAM5.1 degree coupled simulation. AMWG Meeting, Boulder, 14-16 February 2011 []

C cile Hannay, Dave Williamson, Rich Neale, Jerry Olson, Dennis Shea (2011), Evaluating Community Atmospheric Model (CAM) forecasts against satellite data along the GCSS Pacific cross-section. AMS 91st Meeting, Seattle, 23-27 January 2011[]

C cile Hannay, Dave Williamson, Rich Neale, Jerry Olson, Dennis Shea (2010), Evaluating the Community Atmospheric Model (CAM) against satellite data during YOTC. AGU Fall Meeting, San Francisco, 13-17 December, 2010[]

C cile Hannay (2010), Standalone simulations: CAM3, CAM4 and CAM5. 15th Annual CESM Workshop, Breckenridge, June 28 - July 1, 2010[]

C cile Hannay, Minghua Zhang, and John Truesdale (2010), Single Column Simulations:Preliminary results for CAM4 and CAM5. CGILS Meeting, Stony Brook, Long Island, March 1-2, 2010

C cile Hannay, Dave Williamson, Rich Neale, Jerry Olson, and Dennis Shea (2010), Evaluating parameterized variables in the Community Atmospheric Model along the GCSS Pacific cross-section. AMWG Meeting, Boulder, February 10-12, 2010[]

C cile Hannay et al. (2010), CAM standalone development simulations. AMWG Meeting, Boulder, February 10-12, 2010[]

C cile Hannay, Dave Williamson, Rich Neale, Jerry Olson, and Dennis Shea (2009), Evaluating parameterized variables in the Community Atmospheric Model along the GCSS Pacific cross-section during YOTC.AGU Fall Meeting, San Francisco, December 14-18, 2009[]

C cile Hannay, Dave Williamson, Jerry Olson, Rich Neale, Sungsu Park and Phil Rasch (2009)Water vapor budgets in Track 1 and Track 5. CCSM Meeting, June 15-18, 2009, Breckenridge, Colorado. []

C cile Hannay et al (2009), An overview of recent CAM developments. AMWG Meeting, March 2-4 2009, Boulder, Colorado. []

C cile Hannay, Dave Williamson, Jerry Olson, Chris Bretherton, Sungsu Park, Matt Wyant and Martin Koehler (2008), Using satellite and in-situ observations to evaluate short-term forecasts of cloud-topped boundary layers with the Community Atmospheric Model. AGU Fall meeting, 15-19 December 2008, San Francisco, California.

C cile Hannay, Dave Williamson, Jerry Olson, Rich Neale, Yaga Richter, Andrew Gettelman, Hugh Morrison, Sungsu Park, Chris Bretherton and Joao Teixeira (2008), Evaluating parameterized variables in CAM forecasts against satellite data along the GCSS Pacific cross-section. AGU Fall meeting, 15-19 December 2008, San Francisco, California.

C cile Hannay (2008), Challenges in the tuning of the CAM. CGD Research Reports, December 4 2008, Boulder, Colorado.

C cile Hannay, Dave Williamson, Jerry Olson, Rich Neale, Andrew Gettelman, Hugh Morrison, Sungsu Park and Chris Bretherton (2008), Short Term forecasts along the GCSS Pacific Cross-section: Evaluating new Parameterizations in the Community Atmospheric Model.13th Annual CCSM Workshop, 17-19 June 2008, Breckenridge, Colorado.

C cile Hannay, Dave Williamson, Jerry Olson, Rich Neale, Andrew Gettelman, Hugh Morrison, Sungsu Park and Chris Bretherton (2008), Short Term forecasts along the GCSS Pacific Cross-section: Evaluating new Parameterizations in the Community Atmospheric Model.4th PAN-GCSS Meeting on advances in modeling and observing clouds and convection, 2-6 June 2008, Toulouse, France.[]

C cile Hannay (2007), Forecasts of Southeast Pacific Stratocumulus with the NCAR, GFDL and ECMWF Models. CGD Research Reports, November 11 2007, Boulder, Colorado.

C cile Hannay, Dave Williamson, Jim Hack, Jeff Kiehl, Jerry Olson, Chris Bretherton, Steve Klein and Martin Koehler (2007), Forecasts of the East Pacific Investigation of Climate (EPIC) column with the NCAR, GFDL and ECMWF Models, 12th Annual CCSM Workshop, 19-21 June 2007, Breckenridge, Colorado.[]

C cile Hannay, Dave Williamson, Jim Hack, Jeff Kiehl, Jerry Olson, Chris Bretherton, Steve Klein and Martin Koehler (2007), Forecasts of Southeast Pacific Stratocumulus with the NCAR, GFDL and ECMWF Models, 3rd WGNE Workshop on Systematic Errors in Climate and NWP Models, February 12-16, 2007, San Francisco, California.[]

C cile Hannay, Dave Williamson, Jerry Olson, Jim Hack and Jeff Kiehl (2007), Sensitivity to the CAM candidate schemes in climate and forecast runs along the Pacific Cross-section, CCSM Atmosphere Model Working Group (AMWG) Meeting, 29-31 January 2007, NCAR, Boulder, Colorado.[]

C cile Hannay, Jeff Kiehl, Dave Williamson, Jerry Olson, Jim Hack, Richard Neale and Chris Bretherton (2006), Sensitivity to the PBL and convective schemes in forecasts with CAM along the Pacific Cross-section, Joint GCSS-GPCI/BLCL-RICO Workshop, 18-21 September 2006, NASA/GISS, New York.[]

C cile Hannay, Jeff Kiehl, Dave Williamson, Jerry Olson, Jim Hack, and Chris Bretherton (2006), Forecast simulations of Southeast Pacific Stratocumulus with CAM3 and CAM3-UW. 11th Annual CCSM Workshop, 20-22 June 2006, Breckenridge, Colorado.[]

C cile Hannay (2006), Forecast runs for a Pacific Cross-section. CGD Research Reports, January 19 2006, Boulder, Colorado.

C cile Hannay, Jeffrey Kiehl, James Hack, Ping Zhu and Karen Shell (2005), Cloud diagnostics in subsidence regions: comparison of the NCAR and GFDL models versus observations and reanalysis, 3rd PAN-GCSS meeting on Clouds, Climate and Models,16-20 May 2005, Athens, Greece. [ andPoster]

C cile Hannay, Robert Pincus, K. Frank Evans (2004), Estimating Three-Dimensional Cloudy Radiative Transfer Effects from Time-Height Cross Sections,Fourteenth ARM Science Team Meeting, March 22 to 26, 2004, Albuquerque, New Mexico. [pdf preprint]

C cile Hannay, Uma S. Bhatt, Jerry Harrington (2001) Single-Column ModelSimulations of Arctic Cloudiness and Surface Radiative Fluxes during theSurface Energy Budget of Arctic (SHEBA) experiment. Proceedings of the Fifth Conference on Polar Meteorology and oceanography, May 14-18, 2001,San Diego, California.

Last modified: Dec 5 2008

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