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Education
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2001 Ph.D.
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Department of Atmospheric Science, Colorado State University, Fort Collins, CO
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1996 M.S.
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Department of Atmospheric Science, Colorado State University, Fort Collins, CO
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1992 B.S.
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Department of Meteorology, The Pennsylvania State University, University Park, PA
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Current Positions
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Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO
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11/08-
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Research associate
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Role:
Service on graduate committees
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Research Applications Laboratory, National Center for Atmospheric Research, Boulder, CO
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11/09-
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Project scientist II
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Roles:
Applied research and technology-transfer in mesoscale meteorology, modification and application of the Weather Research and Forecasting (WRF) Model, project management
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Projects:
ATEC-4DWX (lead scientist),
NASA-NYC (lead modeler)
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Past Research Positions
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Research Applications Laboratory, NCAR
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04/06-11/09
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Project scientist I
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03/04-03/06
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Associate scientist III
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Mesoscale and Microscale Meteorology Division, NCAR
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06/02-03/04
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Postdoctoral fellow
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National Severe Storms Laboratory, Boulder, CO
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09/01-05/02
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NRC postdoctoral research associate
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Department of Atmospheric Science, CSU
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07/01-09/01
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Postdoctoral research associate
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08/93-07/01
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Graduate research assistant
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04/93-08/93
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Staff research assistant
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Past Teaching Positions
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Program in Atmospheric and Oceanic Sciences,
CU
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08/02-12/02
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Co-instructor
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Department of Atmospheric Science, CSU
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08/97-12/97
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Laboratory instructor
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01/97-12/97
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Graduate teaching assistant
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Taught
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Earth-climate system (graduate), introduction to weather and climate laboratory (undergraduate)
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Assisted
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Advanced synoptic and mesoscale weather laboratory (graduate)
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Other Past Positions
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Department of Meteorology, PSU
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01/93-03/93
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Assistant technician
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12/88-12/92
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Assistant caretaker of the University Weather Observatory
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Weather Communications Group, PSU
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05/91-12/92
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Weather forecaster and newspaper columnist
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Accu-Weather, Inc., State College, PA
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07/90-05/92
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Weather forecaster and radio broadcaster
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WWZW 95.3 FM, State College, PA
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05/89-05/90
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Weather forecaster and consultant
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Peer-Reviewed Scientific Papers
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2010
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Frehlich, R., R. Sharman, F. Vandenberghe, G. Jumper, W. Yu, and J. C. Knievel, 2010:
Estimates of Cn2 from numerical weather prediction model output and comparison with thermosonde data.
J. Appl. Meteorol. Clim., submitted.
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Knievel, J. C., D. L. Rife, J. A. Grim, A. N. Hahmann, J. P. Hacker, M. Ge, and H. H. Fisher, 2010:
A simple technique for creating composite lake- and sea-surface temperatures from MODIS for use in NWP.
J. Appl. Meteorol. Clim., submitted.
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2009
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Rife, D. L., C. A. Davis, and J. C. Knievel, 2009:
Temporal changes in wind as objects for evaluating numerical weather prediction.
Wea. Forecasting, 24, 1374-1389.
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2007
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Knievel, J. C., G. H. Bryan, and J. P. Hacker, 2007:
Explicit numerical diffusion in the WRF Model.
Mon. Wea. Rev., 135, 3808-3824.
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Warner, T. T., and coauthors, 2007:
The Pentagon Shield field experiment: toward protecting national assets.
Bull. Amer. Meteor. Soc., 88, 167-176.
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2006
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Bryan, G. H., J. C. Knievel, and M. D. Parker, 2006:
A multi-model assessment of RKW Theory's relevance to squall line characteristics.
Mon. Wea. Rev., 134, 2772-2792.
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2005
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Hardwick, C. J., and J. C. Knievel, 2005:
Speculations on the possible causes of the Whymper apparition.
Appl. Optics, 44, 5637-5643.
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Kusaka, H., A. Crook, J. C. Knievel, and J. Dudhia, 2005:
Sensitivity of the WRF Model to advection and diffusion schemes for simulation of heavy rainfall along the Baiu Front.
SOLA, 1, 177-180.
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Lane, T. P., and J. C. Knievel, 2005:
Some effects of model resolution on simulated gravity waves generated by deep, mesoscale convection.
J. Atmos. Sci., 62, 3408-3418.
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Parker, M. D., and J. C. Knievel, 2005:
Do meteorologists suppress thunderstorms? Radar-derived statistics and the behavior of moist convection.
Bull. Amer. Meteor. Soc., 86, 341-358.
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2004
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Davis, C. A., and coauthors, 2004:
The Bow Echo and MCV Experiment (BAMEX): observations and opportunities.
Bull. Amer. Meteor. Soc., 85, 1075-1093.
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Knievel, J. C., D. A. Ahijevych, and K. W. Manning, 2004:
Using temporal modes of rainfall to evaluate the performance of a numerical weather prediction model.
Mon. Wea. Rev., 132, 2995-3009.
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Knievel, J. C., D. S. Nolan, and J. P. Kossin, 2004:
Imbalance in a mesoscale vortex within a midlatitude, continental mesoscale convective system.
J. Atmos. Sci., 61, 1827-1832.
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2003
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Knievel, J. C. and R. H. Johnson, 2003:
A scale-discriminating vorticity budget for a mesoscale vortex in a midlatitude, continental mesoscale convective system.
J. Atmos. Sci., 60, 781-794.
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2002
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Knievel, J. C. and R. H. Johnson, 2002:
The kinematics of a midlatitude, continental mesoscale convective system and its mesoscale vortex.
Mon. Wea. Rev., 130, 1749-1770
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1999
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Petersen, W. A., L. D. Carey, S. A. Rutledge, J. C. Knievel, N. J. Doesken, R. H. Johnson, T. B. McKee, T. Vonder Haar, and J. F. Weaver, 1999:
Mesoscale and radar observations of the Fort Collins flash flood of 28 July 1997.
Bull. Amer. Meteor. Soc., 80, 191-216.
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1998
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Knievel, J. C. and R. H. Johnson, 1998:
Pressure transients within MCS mesohighs and wake lows.
Mon. Wea. Rev., 126, 1907-1930.
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Work in Preparation
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2010
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Liu, Y., J. C. Knievel, S. F. Halvorson, J. C. Pace, G. Roux, W. Wu, J. P. Hacker, T. M. Hopson, S. E. Krippner, T. T. Warner, and S. P. Swerdlin, 2010:
Mesoscale ensemble weather prediction at Dugway Proving Ground.
J. of the ITEA, in preparation.
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Conference Papers and Abstracts
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2009
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Halvorson, S. F., S. Krippner, J. Pace, Y. Liu, G. Roux, W. Wu, J. P. Hacker, T. M. Hopson, J. C. Knievel, T. T. Warner, and S. P. Swerdlin, 2009:
E-4DWX: an operational mesoscale ensemble modeling system.
Preprints, 23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE,
AMS,
16.A.1
[Available from knievel@ucar upon request.]
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Knievel, J. C., D. L. Rife, J. A. Grim, and M. Ge, 2009:
Real-time forecasting for New York City and its surroundings, with emphasis on sea breezes and other coastal circulations.
Preprints, 23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE,
AMS.
Abstract only.
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Knievel, J. C., D. L. Rife, J. A. Grim, A. N. Hahmann, J. P. Hacker, M. Ge, and H. H. Fisher, 2009:
A technique for creating composite sea surface temperatures from NASA's MODIS instruments in order to improve numerical weather prediction.
Preprints, 23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE,
AMS,
JP2.5.
[Available at http://ams.confex.com/ams/pdfpapers/154097.pdf.]
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Liu, Y., T. Hopson, G. Roux, J. Hacker, M. Xu, J. Knievel, T. Warner, and S. Swerdlin, 2009:
An operational mesoscale ensemble data assimilation and prediction system: E-RTFDDA.
EGU General Assembly 2009,
Vienna, Austria,
EGU.
Abstract only.
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Liu, Y., G. Roux, M. Xu, T. Hopson, J. Hacker, J. Knievel, T. Warner, and S. Swerdlin, 2009:
An operational mesoscale ensemble data assimilation and prediction system: E-RTFDDA.
16th Conference on Satellite Meteorology and Oceanography / 5th Annual Symposium on Future Operational Environmental Satellite Systems---NPOESS and GOES-R,
Phoenix, AZ,
AMS.
Abstract only.
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Rife, D. L., C. A. Davis, and J. C. Knievel, 2009:
Evaluating temporal wind changes in mesoscale numerical forecasts using an object-based method.
Preprints, 23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE,
AMS.
Abstract only.
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2008
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Pace, J., E. Astling, S. Halvorson, Y. Liu, T. Betancourt, J. Hacker, J. Knievel, S. Swerdlin, and T. Warner, 2008:
Use of HPC to Provide Operational Mesoscale Meteorological Support for ATEC Test Ranges.
Preprints, HPCMP Users Group Conference,
Seattle, WA,
Department of Defense High Performance Computing Modernization Program.
[Available from knievel@ucar upon request.]
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Knievel, J. C., G. H. Bryan, J. H. Copeland, and J. P. Hacker, 2008:
The WRF Model's new explicit numerical diffusion and its effects on transport and dispersion in the planetary boundary layer.
Preprints,
15th Conference on the Applications of Air Pollution Meteorology, New Orleans, LA, American Meteorological Society.
[Available at http://ams.confex.com/ams/pdfpapers/132741.pdf.]
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2006
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Knievel, J. C., G. H. Bryan, and J. P. Hacker, 2006:
Effects of high-order diffusion on circulations generated by land-surface heterogeneity in a numerical weather prediction model.
Fall Meeting of the AGU, San Francisco, CA, AGU.
Abstract only.
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Warner, T. T., J. C. Knievel, J. K. Lundquist, R. N. Fry, and J. R. Hannan, 2006:
An operational forecasting system for the New York City Metropolitan Area that provides urban-scale input to NARAC and HPAC.
14th Joint Conference on the Applications of Air Pollution Meteorology with the Air and Waste Management Association / 6th Symposium on the Urban Environment,
Atlanta, GA, AMS.
Abstract only.
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2005
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Knievel, J. C., G. H. Bryan, and J. P. Hacker, 2005:
Effects of explicit numerical diffusion in simulations of mesoscale circulations by the Advanced Research WRF Model.
11th Conference on Mesoscale Processes, Albuquerque, NM, AMS.
Abstract only.
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Knievel, J. C., G. H. Bryan, and J. P. Hacker, 2005:
The utility of 6th-order, monotonic, numerical diffusion in the Advanced Research WRF Model.
Preprints, Joint MM5/WRF Users' Workshop, Boulder, CO, NCAR, CD-ROM.
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Knievel, J. C., J. P. Hacker, and D. L. Rife, 2005:
Evaluation of the Weather Research and Forecasting (WRF) Model as applied at the Army Test Ranges.
Conference on Battlespace Atmospheric and Cloud Impacts on Military Operations (BACIMO),
Monterey, CA, U. S. Director of Defense Research and Engineering.
Abstract only.
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2004
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Ahijevych, D. A., G. H. Bryan, C. A. Davis, J. C. Knievel, S. B. Trier, and M. L. Weisman, 2004:
System-relative distribution of dropsondes during BAMEX and lessons learned.
Preprints, 22nd Conference on Severe Local Storms, Hyannis, MA, AMS, CD-ROM, 5.6.
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Bryan, G. H., and J. C. Knievel, 2004:
Recommendations for diffusion in idealized squall line simulations by the WRF Model.
Preprints, WRF/MM5 Joint Workshop, Boulder, CO, NCAR, 233-236.
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Bryan, G. H., J. C. Knievel, and M. D. Parker, 2004:
An intercomparison of simulated squall lines in varying shear.
Preprints, 22nd Conference on Severe Local Storms,
Hyannis, MA, AMS, CD-ROM, P6.2.
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Copeland, J. C., T. T. Warner, S. P. Swerdlin, and J. C. Knievel, 2004:
An integrated approach to defining real-time upwind threat zones.
Preprints, 13th Conference on the Applications of Air Pollution Meteorology,
Vancouver, BC, Canada, AMS, CD-ROM, 1.6.
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Edwards, B. B., M. A. LeMone, and J. C. Knievel, 2004:
Analyzing the accuracy of using surface data to estimate water-vapor content throughout the boundary layer.
3rd Student Conference, 84th Annual Meeting of the AMS, Seattle, WA, AMS. Abstract only.
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Knievel, J. C., D.A. Ahijevych, and K.W. Manning, 2004:
The diurnal mode of summer rainfall across the conterminous United States in 10-km simulations by the WRF Model.
Preprints, 16th Conference on Numerical Weather Prediction, Seattle, WA, AMS, CD-ROM, P17.2.
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Knievel, J. C., B. B. Balsley, J. F. Bowers, K. L. Clawson, J. H. Copeland, R. G. Frehlich, S. D. Mayor, R. D. Sharman, S. M. Spuler, D. P. Storwold, S. Swerdlin, T. T. Warner, and J. C. Weil, 2004:
An overview of the Pentagon Shield 2004 field campaign.
Preprints, 5th Symposium on the Urban Environment, Vancouver, BC, Canada, AMS, CD-ROM, 1.3.
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Parker, M. D., and J. C. Knievel, 2004:
Are there weather holes? An objective analysis.
Preprints, 16th Conference on Weather Analysis and Forecasting, Seattle, WA, AMS, CD-ROM, P1.37.
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Weil, J. C., K. L. Clawson, J. F. Bowers, M. L. Jensen, S. D. Mayor, and J. C. Knievel, 2004:
Field experiments in tracer dispersion about the Pentagon.
8th George Mason University Transport and Dispersion Modeling Workshop,
Fairfax, VA, George Mason University. Abstract only.
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2003
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Parker, M. D., and J. C. Knievel, 2003:
Are there mesoscale, convective ''weather holes"?
Preprints, 10th Conference on Mesoscale Processes, Portland, OR, AMS, CD-ROM, P1.13.
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2002
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Knievel, J. C., 2002:
A comparison of convectively generated mesoscale vortices in the United States and in China.
Preprints, 21st Conference on Severe Local Storms, San Antonio, TX, AMS, 62-65.
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Knievel, J. C., 2002:
Examples of the resolution sensitivity of MCS forecasts by the WRF Model.
Mini-forum on Prediction and Observation of Mesoscale Meteorological Phenomena, Tokyo, Japan, Japanese Meteorological Agency.
Abstract only.
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Knievel, J. C., R. H. Johnson, D. S. Nolan, and J. P. Kossin, 2002:
The degree of balance in a midlatitude, continental mesoscale convective vortex.
Preprints, 21st Conference on Severe Local Storms, San Antonio, TX, AMS, 42-45.
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2001
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Knievel, J. C. and R. H. Johnson, 2001:
The kinematics of a mesoscale convective system and its mesoscale convective vortex.
Preprints, Ninth Conference on Mesoscale Processes, Fort Lauderdale, FL, AMS, 415-419.
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Knievel, J. C. and R. H. Johnson, 2001:
A scale-discriminating vorticity budget for a mesoscale convective vortex.
Preprints, Ninth Conference on Mesoscale Processes, Fort Lauderdale, FL, AMS, 396-400.
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2000
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Knievel, J. C., 2000:
The local wind of an MCS and a vorticity budget for the mesoscale convective vortex within it.
Preprints, 20th Conference on Severe Local Storms, Orlando, FL, AMS, 331-334.
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1999
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Johnson, R. H., P. E. Ciesielski, J. C. Knievel, and M. D. Parker, 1999:
Preliminary results from the South China Sea Monsoon Experiment sounding network.
Preprints, 23rd Conference on Hurricanes and Tropical Meteorology, Dallas, TX, AMS, 969-972.
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1998
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Knievel, J. C. and R. H. Johnson, 1998:
The 28 July 1997 Fort Collins flood: synoptic and mesoscale analyses.
Preprints, 19th Conference on Severe Local Storms, Bloomington, MN, AMS, 396-399.
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1995
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Knievel, J. C. and R. H. Johnson, 1995:
Surface pressure transients during and after the passage of midlatitude MCSs.
XXII General Assembly of the IUGG,
Boulder, CO, International Union of Geodesy and Geophysics.
Abstract only.
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Other Publications
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2003
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Knievel, J. C., 2003:
The kinematics and thermodynamics of a midlatitude, continental mesoscale convective system and its mesoscale vortex.
Atmospheric Science Paper No. 730, Colorado State University, 99 pp.
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2002
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McCarty, J. E. and J. C. Knievel, 2002:
Review of "World Almanac Video's Guide to Extreme Weather," Choices, Inc. Library J., 127, 149-150.
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1997
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Knievel, J. C., 1997:
Air pressure.
Encyclopedia of Earth and Physical Sciences, Vol. 1, Marshal Cavendish, New York, New York.
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Knievel, J. C., 1997:
Global warming.
Encyclopedia of Earth and Physical Sciences, Vol. 4, Marshal Cavendish, New York, New York.
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Knievel, J. C., 1997:
Rain, snow, and sleet.
Encyclopedia of Earth and Physical Sciences, Vol. 8, Marshal Cavendish, New York, New York.
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Knievel, J. C., 1997:
Stratosphere.
Encyclopedia of Earth and Physical Sciences, Vol. 9, Marshal Cavendish, New York, New York.
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Knievel, J. C., 1997:
Wind.
Encyclopedia of Earth and Physical Sciences, Vol. 10, Marshal Cavendish, New York, New York.
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Knievel, J. C. and Z. A. Eitzen, 1997:
Monsoon.
Encyclopedia of Earth and Physical Sciences, Vol. 5, Marshal Cavendish, New York, New York.
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1996
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Knievel, J. C., 1996:
Surface pressure transients in mesoscale convective systems.
Atmospheric Science Paper No. 605, Colorado State University, 131 pp.
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Invited Talks
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12/12/2007
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Atmospheric environment support for the warfighter.
13th Annual ITEA Conference,
Las Cruces, NM, ITEA.
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12/12/2007
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Mesoscale climate reanalysis as a tool for planning outdoor tests.
13th Annual ITEA Conference,
Las Cruces, NM, ITEA.
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03/19/2007
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Beyond "sunny and 75": tailored forecasts and NCAR's 4DWX system.
North Carolina State University, Raleigh, NC.
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01/26/2006
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Hurricanes.
Redstone Elementary School, Highlands Ranch, CO.
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12/09/2003
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Diurnal rainfall in the WRF Model.
Seoul National University, Seoul, South Korea.
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| 11/01/2002 |
Examples of the resolution sensitivity of MCS forecasts by the WRF Model.
Mini-forum on Prediction and Observation of Mesoscale Meteorological Phenomena,
Tokyo, Japan, Japanese Meteorological Agency.
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10/05/2001
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Vorticity and gradient balance in a mesoscale convective vortex.
National Severe Storms Laboratory, Norman, OK.
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| 03/21/2001 |
Vorticity and gradient balance in a mesoscale convective vortex.
Department of Physics, Astronomy, and Meteorology, Western Connecticut State University, Danbury, CT.
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| 01/24/2001 |
Why it is wrong to say that warm air holds more water vapor than cold air holds.
Department of Earth Science, California University of Pennsylvania, California, PA.
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02/17/1998
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El Nino.
The Kiwanis Club, Fort Collins, CO.
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Other Selected Talks and Posters
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06/17/2009
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NCAR's Research Applications Laboratory.
Undergraduate Leadership Workshop,
Boulder, CO, NCAR.
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06/02/2009
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A technique for creating composite sea surface temperatures from NASA's MODIS instruments in order to improve numerical weather prediction.
23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE, AMS.
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|
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06/01/2009
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Real-time forecasting for New York City and its surroundings, with emphasis on sea breezes and other coastal circulations.
23rd Conference on Weather Analysis and Forecasting / 19th Conference on Numerical Weather Prediction,
Omaha, NE, AMS.
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05/19/2009
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Gridded bias correction.
2009 ATEC Forecasters' Training, Part 2,
Boulder, CO, NCAR.
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05/19/2009
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NCAR and the Research Applications Laboratory.
2009 ATEC Forecasters' Training, Part 2,
Boulder, CO, NCAR.
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02/24/2009
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NCAR and the Research Applications Laboratory.
2009 ATEC Forecasters' Training, Part 1,
Boulder, CO, NCAR.
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12/18/2008
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Forecasting for New York City and its surroundings, with emphasis on sea-surface temperature's effect on sea breezes and other coastal circulations that influence air quality.
Fall Meeting of the AGU,
San Francisco, CA, AGU.
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06/18/2008
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NCAR's Research Applications Laboratory.
Undergraduate Leadership Workshop,
Boulder, CO, NCAR.
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02/26/2008
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Physical parameterizations in the WRF Model.
2007/2008 ATEC Forecasters' Conference, Installment 2,
Boulder, CO, NCAR.
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01/23/2008
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The WRF Model's new explicit numerical diffusion and its effects on transport and dispersion in the planetary boundary layer.
15th Conference on the Applications of Air Pollution Meteorology,
New Orleans, LA, American Meteorological Society.
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11/08/2007
|
Climate CFDDA.
Laboratory retreat,
Estes Park, CO, Research Applications Laboratory, NCAR.
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07/17/2007
|
Physical parameterizations in the WRF Model.
2007/2008 ATEC Forecasters' Conference, Installment 1,
Boulder, CO, NCAR.
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06/20/2007
|
NCAR's Research Applications Laboratory.
Undergraduate Leadership Workshop,
Boulder, CO, NCAR.
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12/14/2006
|
Effects of high-order diffusion on circulations generated by land-surface heterogeneity in a numerical weather prediction model.
Fall Meeting of the AGU, San Francisco, CA, American Geophysical Union.
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10/25/2006
|
Forecasting in the ATEC Project, with emphasis on short-term numerical prediction.
Retreat, Convective Weather Program, NCAR, Boulder, CO.
|
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08/09/2006
|
Lake-effect precipitation from the Great Salt Lake.
2006 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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08/09/2006
|
The North American Monsoon and flash floods.
2006 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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08/08/2006
|
Numerical weather prediction (NWP) and the WRF Model.
2006 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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07/26/2006
|
Lake-effect precipitation from the Great Salt Lake.
2006 ATEC Forecasters' Conference, Installment 1, Boulder, CO, NCAR.
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07/26/2006
|
The North American Monsoon and flash floods.
2006 ATEC Forecasters' Conference, Installment 1, Boulder, CO, NCAR.
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|
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|
07/25/2006
|
Numerical weather prediction (NWP) and the WRF Model.
2006 ATEC Forecasters' Conference, Installment 1, Boulder, CO, NCAR.
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|
06/21/2006
|
NCAR's Research Applications Laboratory.
Undergraduate Leadership Workshop,
Boulder, CO, NCAR.
|
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|
10/12/2005
|
Evaluation of the Weather Research and Forecasting (WRF) Model as applied at the Army Test Ranges.
Conference on Battlespace Atmospheric and Cloud Impacts on Military Operations (BACIMO),
Monterey, CA, U. S. Director of Defense Research and Engineering.
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| 10/06/2005 |
Ten steps to better technical talks.
Laboratory Retreat, Estes Park, CO, Research Applications Laboratory, NCAR.
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| 10/06/2005 |
The utility of 6th-order, monotonic, numerical diffusion in the Advanced Research WRF Model.
Laboratory Retreat, Estes Park, CO, Research Applications Laboratory, NCAR.
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08/18/2005
|
Chaos and ensemble forecasting.
2005 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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08/18/2005
|
The WRF Model vs. MM5.
2005 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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08/16/2005
|
Mesoscale vs. synoptic Forecasting.
2005 ATEC Forecasters' Conference, Installment 2, Boulder, CO, NCAR.
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07/28/2005
|
The WRF Model vs. MM5.
2005 ATEC Forecasters' Conference, Installment 1 Boulder, CO, NCAR.
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07/26/2005
|
Mesoscale vs. synoptic Forecasting.
2005 ATEC Forecasters' Conference, Installment 1 Boulder, CO, NCAR.
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06/27/2005
|
The utility of 6th-order, monotonic, numerical diffusion in the Advanced Research WRF Model.
Joint MM5/WRF Users' Workshop, Boulder, CO, NCAR.
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|
06/22/2005
|
NCAR's Research Applications Laboratory.
Undergraduate Leadership Workshop,
Boulder, CO,
NCAR.
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11/17/2004
|
Ten easy steps to better scientific talks.
Group Retreat,
Boulder, CO,
Research Applications Laboratory, NCAR.
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10/07/2004
|
The transition from the MM5 to the WRF Model in NCAR's Four-Dimensional Weather System (4DWX).
11th Conference on Aviation, Range, and Aerospace Meteorology, Hyannis, MA, American Meteorological Society.
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10/06/2004
|
An evaluation of "RKW" Theory using a model intercomparison.
22nd Conference on Severe Local Storms, Hyannis, MA, American Meteorological Society.
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|
08/26/2004
|
An overview of the Pentagon Shield 2004 field campaign.
5th Symposium on the Urban Environment, Vancouver, BC, Canada, American Meteorological Society.
|
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|
|
| 06/24/2004 |
Recommendations for diffusion in idealized squall line simulations by the WRF Model.
WRF/MM5 Joint Workshop,
Boulder, CO,
NCAR.
|
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|
|
| 03/01/2004 |
Current status of BAMEX dropsonde data.
BAMEX workshop,
Fairview Heights, IL,
NCAR and other sponsors.
|
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|
02/09/2004
|
The diurnal mode of summer rainfall across the conterminous United States in 10-km simulations by the WRF Model.
Public Visitors Program, NCAR, Boulder, CO.
|
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|
01/14/2004
|
The diurnal mode of summer rainfall across the conterminous United States in 10-km simulations by the WRF Model.
16th Conference on Numerical Weather Prediction, Seattle, WA, American Meteorological Society.
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01/12/2004
|
Are there weather holes? An objective analysis.
20th Conference on Weather Analysis and Forecasting, Seattle, WA, American Meteorological Society.
|
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10/28/2003
|
The realism of rainfall patterns in preliminary versions of the Weather Research and Forecasting (WRF) Model.
Public Visitors Program, NCAR, Boulder, CO.
|
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|
06/24/2003
|
A few simulations that address the WRF Model's ability to reproduce patterns of warm-season rainfall in the High Plains.
10th Conference on Mesoscale Processes, Portland, OR, American Meteorological Society.
|
|
|
|
|
| 06/12/2003 |
The 22-km WRF Model's diurnal and semi-diurnal modes of summer rainfall across the contiguous United States.
Fourth Weather Research and Forecasting Modeling System Users' Workshop,
Boulder, CO, NCAR, Boulder, CO.
|
|
|
|
|
| 06/12/2003 |
On the WRF Model's ability to reproduce patterns of rainfall from summer MCSs in the central United States.
Fourth Weather Research and Forecasting Modeling System Users' Workshop,
Boulder, CO, NCAR, Boulder, CO.
|
|
|
|
|
| 04/01/2003 |
Unconventional evaluation of rainfall forecasts from numerical models.
2nd NCAR/CAMS Joint Workshop on NWP Model Development,
Beijing, China, Chinese Academy of Meteorological Sciences.
|
|
|
|
|
| 02/16/2003 |
An introduction to the new Weather Research and Forecasting (WRF) Model.
Annual Meeting of the AAAS,
Denver, CO,
American Association for the Advancement of Science.
|
|
|
|
|
| 09/30/2002 |
A scale-discriminating vorticity budget for a mesoscale convective vortex.
2nd Annual Early Career Scientists' Assembly poster session,
Boulder, CO,
NCAR.
|
|
|
|
|
08/12/2002
|
A comparison between convectively generated mesoscale vortices in the United States and in China.
21st Conference on Severe Local Storms,
San Antonio, TX,
American Meteorological Society.
|
|
|
|
|
08/12/2002
|
The degree of balance in a midlatitude, continental mesoscale convective vortex.
21st Conference on Severe Local Storms, San Antonio, TX, American Meteorological Society. |
|
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|
05/09/2002
|
Convectively generated mesoscale vortices.
National Research Council staff site visit, National Oceanic and Atmospheric Administration, Boulder, CO.
|
|
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|
08/01/2001
|
The kinematics of a mesoscale convective system and its mesoscale convective vortex.
Ninth Conference on Mesoscale Processes, Fort Lauderdale, FL, American Meteorological Society. |
|
|
|
|
08/01/2001
|
A scale-discriminating vorticity budget for a mesoscale convective vortex.
Ninth Conference on Mesoscale Processes, Fort Lauderdale, FL, American Meteorological Society.
|
|
|
|
|
06/22/2001
|
The kinematics and thermodynamics of a midlatitude, continental mesoscale convective system and its mesoscale vortex.
Ph.D. defense seminar.
Department of Atmospheric Science, Colorado State University, Fort Collins, CO.
|
|
|
|
|
| 09/13/2000 |
The local wind of an MCS and a vorticity budget for the mesoscale convective vortex within it.
20th Conference on Severe Local Storms,
Orlando, FL,
American Meteorological Society.
|
|
|
|
|
10/16/1998
|
The 28 July 1997 Fort Collins flood: synoptic and mesoscale analysis.
19th Conference on Severe Local Storms, Bloomington, MN, American Meteorological Society. |
|
|
|
|
02/23/1996
|
Surface pressure transients in mesoscale convective systems.
M.S. defense seminar.
Department of Atmospheric Science, Colorado State University, Fort Collins, CO.
|
|
|
|
|
| 07/06/1995 |
Surface pressure transients during and after the passage of midlatitude MCSs.
XXII General Assembly of the IUGG,
Boulder, CO,
International Union of Geodesy and Geophysics.
|
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|
Field Projects
|
|
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|
|
09/07-09/07
|
Fusing Sensor Information from Observing Networks (FUSION) Field Trial 2007 (FFT07)
|
|
|
Coordinator of WRF Model ensemble simulations
|
|
|
|
|
10/06-03/07
|
Canadian CloudSat/CALIPSO Validation Project (C3VP)
|
|
|
Coordinator of WRF Model simulations
|
|
|
|
|
10/05-11/05
|
Pentagon Shield II
|
|
|
Principal coordinator of outdoor tests
|
|
|
|
|
04/04-05/04
|
Pentagon Shield I
|
|
|
Part-time test coordinator and data analyst
|
|
|
|
|
05/03-07/03
|
Bow Echo and MCV Experiment (BAMEX)
|
|
|
Dropsonde coordinator
|
|
|
|
|
01/02-02/02
|
Pacific Landfalling Jets Experiment 2002 (PACJET-2002)
|
|
|
Doppler radar scientist
|
|
|
|
|
11/99-12/99
|
Cloud Layer Experiment 5 (CLEX-5)
|
|
|
Mission forecaster
|
|
|
|
|
05/98-08/98
|
South China Sea Monsoon Experiment (SCSMEX)
|
|
|
Quality controller of soundings
|
|
|
|
|
06/96-07/96
|
Cloud Layer Experiment 1 (CLEX-1)
|
|
|
Mission forecaster
|
|
|
|
|
11/92-02/93
|
Tropical Ocean Global Atmosphere Coupled Ocean Atmosphere Response Experiment (TOGA COARE)
|
|
|
Quality controller of soundings
|
|
|
|
|
|
|
|
Competitive Grants
|
|
|
|
|
2009
|
Principal investigator: "Changes in the predictability of flooding rainfall in the central United States" |
|
|
|
$1,682,998 over 3 years
|
|
|
National Aeronautics and Space Administration
|
|
|
Under review
|
|
|
|
|
2006
|
Co-investigator: "Weather Encounter Software Modeling Environment using Climatological and High-Resolution Weather Data" |
|
|
|
$20,000 over 1 year (Phase I)
|
|
|
Small Business Innovation Research (SBIR) Program, U.S. Department of Defense
|
|
|
|
|
2001
|
Recipient: Research associateship |
|
|
| $36,000 over 1 year |
|
|
|
National Research Council
|
|
|
|
|
1999
|
Recipient: Student travel grant |
|
|
|
American Meteorological Society
|
|
|
|
|
|
|
|
Selected Professional and Academic Service
|
|
Editorial positions
|
|
|
|
|
|
| 2007-2009 |
Associate editor, Monthly Weather Review
|
|
Committees, councils, and boards
|
|
|
|
|
|
2009-
|
Head, committee for improvement of program mentoring, National Security Applications Program, Research Applications Laboratory, NCAR
|
|
1996-
|
Member and sometimes head, nine employment search committees, CSU and NCAR
|
|
2004
|
Member of steering committee and subcommittees, Communicating Science Initiative, UCAR
|
|
1999-2000
|
Representative of the Department of Atmospheric Science, Graduate Student Council, CSU
|
|
1997-1998
|
Ph. D. student representative to the departmental faculty, Department of Atmospheric Science, CSU
|
|
1996-1997
|
M. S. student representative to the departmental faculty, Department of Atmospheric Science, CSU
|
|
1991
|
Acting president, Campus Weather Service, PSU
|
|
1990-1991
|
Treasurer, Campus Weather Service, PSU
|
|
Conferences, meetings, workshops, and symposia
|
|
|
|
|
|
2005-
|
Co-organizer and co-host, Annual ATEC Forecasters' Training (nee Forecasters' Conference), Boulder, CO, NCAR and ATEC
|
|
2008
|
Chairman, Session on Air Quality, Photochemical Processes, and Complex Meteorology IV, Fall Meeting, AGU
|
|
2006
|
Chairman, Session on Importance of Land-Surface Heterogeneity to Weather and Weather Prediction II, Fall Meeting, AGU
|
|
2003
|
Chairman, Session on Organized Convective Systems, 10th Conference on Mesoscale Processes, AMS
|
|
Peer review
|
|
|
|
|
|
2005-
|
Grant proposals: National Science Foundation
|
|
1997-
|
Scientific journals: Atmospheric Science Letters, Geophysical Research Letters, Journal of Applied Meteorology, Journal of the Atmospheric Sciences, Monthly Weather Review, Quarterly Journal of the Royal Meteorological Society, Tellus
|
|
Supervision and mentorship
|
|
|
|
|
|
2009-
|
Coordinator at NCAR, Forecaster Internship Program, ATEC
|
|
2009-
|
Mentor, Forecaster Internship Program, ATEC
|
|
2009-
|
Mentor, NCAR (two total, two now)
|
|
2008-
|
Member of Ph. D. committee, Ming Ge, CU
|
|
2006-
|
Supervisor, NCAR (four total, two now)
|
|
2004-2005
|
Mentor, Forecaster Internship Program, ATEC
|
|
2004
|
Research co-mentor, SOARS, UCAR
|
|
2003
|
Writing mentor, SOARS, UCAR
|
|
K-12 education
|
|
|
|
|
|
2007
|
Member of judging panel, GLOBE Project Learning Expedition
|
|
2003-2007
|
Judge at science fairs, Boulder Valley School District, Boulder, CO
|
|
1995
|
Co-instructor and co-developer, elementary school workshop on weather, Poudre School District, Fort Collins, CO
|
|
Miscellaneous volunteerism
|
|
|
|
|
|
2009-
|
Coordinator of seminar series, Research Applications Laboratory, NCAR
|
|
2005-2006
|
Co-coordinator of seminar series, Research Applications Laboratory, NCAR
|
|
2003-2004
|
Co-coordinator of seminar series, Mesoscale and Microscale Meteorology Division, NCAR
|
|
|
|
|
|
|
|
Selected Awards and Honors
|
|
|
|
|
|
|
|
2006
|
Nomination, Outstanding Technical Achievement of the Year, NCAR (for Pentagon Shield project)
|
|
2002
|
Highlight conference presentation, AMS (for "A comparison of convectively generated... ")
|
|
2002
|
Paper of Note, AMS (for "The kinematics of a midlatitude, continental...")
|
|
2001
|
Membership, Phi Kappa Phi National Honor Society
|
|
2000
|
Honorable mention, Best Student Oral Presentation, 20th Conference on Severe Local Storms, AMS
|
|
1998
|
Graduate Research Award of Excellence, College of Engineering, CSU (awarded annually to the single outstanding graduate research assistant in the college)
|
|
1994, 1997
|
Top forecaster, mesoscale weather forecasting contest, CSU
|
|
1996
|
Invited forecaster, 30th Annual Rocky Mountain Soaring Contest
|
|
1992
|
Student marshal, fall graduation, College of Earth and Mineral Sciences, PSU (awarded to the student ranked first in college's graduating class)
|
|
1991
|
Membership, Chi Epsilon Pi Meteorology Honor Society
|
|
1991
|
Membership, Golden Key National Honor Society
|
|
1991
|
Edwin L. Drake Memorial Scholarship, College of Earth and Mineral Sciences, PSU
|
|
1990
|
First place, National Collegiate Forecasting Contest (forecasts for Missoula, MT)
|
|
1989
|
John and Elizabeth Holmes Teas Scholarships, PSU
|
|
1988
|
Knights of Columbus Scholarship, State College, PA
|
|
1988
|
Dean's Freshman Scholarship, PSU
|
|
|
|
|
|
|
|
Professional and Scholarly Affiliations
|
|
|
|
|
2005-
|
International Test and Evaluation Association
|
|
2002-
|
National Weather Association
|
|
2001-
|
American Association for the Advancement of Science
|
|
1997-
|
American Geophysical Union
|
|
1996-
|
American Meteorological Society
|
|
|
|
|
|
|
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|