Jason Clark Knievel
Curriculum Vitae
August 2014

National Center for Atmospheric Research
3450 Mitchell Lane
Boulder, CO, USA 80301
knievel@ucar.edu
303-497-8995 (voice)
303-497-8401 (facsimile)


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Citizen of the United States of America
Key to abbreviations

  Education




2001     Ph.D.
Department of Atmospheric Science, Colorado State University, Fort Collins, CO

1996     M.S.
Department of Atmospheric Science, Colorado State University, Fort Collins, CO

1992     B.S.
Department of Meteorology, The Pennsylvania State University, University Park, PA






  Current Position



Research Applications Laboratory, National Center for Atmospheric Research, Boulder, CO
11/09-
Project scientist II

Roles: Project management, applied research and technology-transfer in mesoscale meteorology and numerical weather prediction, modification and application of the Weather Research and Forecasting (WRF) Model

Projects: ATEC-4DWX (co-manager and lead scientist), AF-JPADS (co-manager)




  Past Research Positions





Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO
11/08-08/11
Research associate

Role: Service on graduate committees



Research Applications Laboratory, NCAR

04/06-11/09
Project scientist I

03/04-03/06
Associate scientist III





Mesoscale and Microscale Meteorology Division, NCAR

06/02-03/04
Postdoctoral fellow





National Severe Storms Laboratory, Boulder, CO

09/01-05/02
NRC postdoctoral research associate





Department of Atmospheric Science, CSU

07/01-09/01
Postdoctoral research associate

08/93-07/01
Graduate research assistant

04/93-08/93
Staff research assistant






  Past Teaching Positions





Program in Atmospheric and Oceanic Sciences, CU

08/02-12/02
Co-instructor





Department of Atmospheric Science, CSU

08/97-12/97
Laboratory instructor

01/97-12/97
Graduate teaching assistant




Taught
Earth-climate system (graduate), introduction to weather and climate laboratory (undergraduate)




Assisted
Advanced synoptic and mesoscale weather laboratory (graduate)







  Other Past Positions





Department of Meteorology, PSU

01/93-03/93
Assistant technician

12/88-12/92
Assistant caretaker of the University Weather Observatory





The New York Times and Weather Communications Group, PSU

05/91-12/92
Weather forecaster and newspaper columnist





Accu-Weather, Inc., State College, PA

07/90-05/92
Weather forecaster and radio broadcaster





WWZW 95.3 FM, State College, PA

05/89-05/90
Weather forecaster and consultant







  Field Projects




09/11-
Mountain Terrain Atmospheric Modeling and Observations Program (MATERHORN)


Collaborator and informal consultant on numerical weather prediction at Dugway Proving Ground




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







  Funded Proposals and Other Competitive Awards




2014-2015
Co-principal investigator, "Development of the Joint Precision Airdrop System (JPADS) with the Weather Research and Forecasting (WRF) Model," Air Force Electronics Systems Center (ESC). $503,312 over 18 months.



2014
Principal investigator, "Further evaluation, enhancement, and documentation of Four-Dimensional Data Assimilation (FDDA) with emphasis on microscale NWP in complex terrain," Army Research Laboratory. $214,000 over 1 year.



2006-2014
Principal investigator (since 2011) and co-investigator (before 2011), "Development of a Four-Dimensional Weather System (4DWX)," ATEC. $2,960,838-$4,960,000 per year, renewed annually.



2012
Awardee, Graduate Visitor Program, Advanced Study Program, NCAR. $7,170 sponsorship for Jeffrey Massey and James Steenburgh, University of Utah.



2012
Co-awardee, Graduate Visitor Program, Advanced Study Program, NCAR. $8,360 sponsorship for Patrick Hawbecker and Song-Lak Kang, Texas Tech University.



2011
Co-awardee, visitor travel grant, Early Career Scientists Assembly, NCAR. $7,341 sponsorship for Song-Lak Kang, Texas Tech University.



2006
Co-investigator, "Weather Encounter Software Modeling Environment using Climatological and High-Resolution Weather Data," SBIR Program, U. S. Department of Defense. $20,000 over 1 year.



2001
Recipient, Research associateship, NRC. $36,000 over 1 year.



1999
Recipient, Student travel grant, AMS.






  Professional and Academic Service (Selected)


Editorial positions





2007-2009 Associate editor, Monthly Weather Review

Committees, councils, boards, panels, and related volunteerism





2009-
Member, Verification Advisory Group, RAL, NCAR
1996-2014
Member and sometimes head, eleven employment search committees, CSU and NCAR
2012-2013
Member, selection committee, Warner Internship for Scientific Enrichment (WISE), RAL, NCAR
2011-2013
Member and sometimes head, Publication Award Committee, RAL, NCAR
2010-2012
Member, search committee for postdoctoral fellows, Advanced Study Program, NCAR
2010
Member, panel on careers in atmospheric science, Undergraduate Leadership Workshop, UCAR
2010
Moderator, panel discussion on the Project Scientist position, NCAR Scientist Assembly
2007
Member, planning committee for laboratory retreat, Research Applications Laboratory, 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
1990-1992
Shift manager, Campus Weather Service, PSU
1991
Acting president, Campus Weather Service, PSU
1990-1991
Treasurer, Campus Weather Service, PSU

Conferences, meetings, workshops, and symposia





2005-2011
Co-organizer and co-host, Annual ATEC Forecaster Training (nee Forecaster Conference), Boulder, CO, NCAR and ATEC
2010
Chairman, Session on Verification Through Time, Workshop on Verification, Developmental Testbed Center, NCAR
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, SAGE Open, Tellus, Weather and Forecasting, Wind Energy

Supervision and mentorship





2011-
Supervisor, Justin Shaw, NCAR
2009-
Supervisor, Yuewei Liu, NCAR
2009-
Mentor, Linlin Pan, NCAR
2009-2011
Coordinator at NCAR, Forecaster Internship Program, ATEC
2009-2011
Mentor, Forecaster Internship Program, ATEC
2007-2011
Supervisor, Ming Ge, NCAR
2009-2010
Mentor, Ka Yee Wong, NCAR
2006-2007
Supervisor, Paul Bieringer, NCAR
2006
Supervisor, Julie Schramm, NCAR
2004-2005
Mentor, Forecaster Internship Program, ATEC
2004
Research co-mentor, SOARS, UCAR
2003
Writing mentor, SOARS, UCAR

Graduate Committees





2012-
Ph.D., Jeffrey Massey, University of Utah
2012-2013
M.S., Paul Hayes, U.S. Naval Postgraduate School
2010-2011
Ph.D., Claire Vincent, Technical University of Denmark
2008-2011
Ph.D., Ming Ge, University of Colorado, Boulder, CO

K-12 education





2010-2012
Judge at science fairs, Boulder Valley School District, Boulder, CO
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






  Awards and Honors (Selected)




2012
Nomination, Outstanding Administrative Achievement of the Year, UCAR (for successful Commodity Jurisdiction Request to U.S. Department of State for RTFDDA and CFDDA)
2012
Selected for UCAR Leadership Academy 2012-2013 (one of two in RAL)
2011
You're a Star award, UCAR Finance and Administration (for activity above and beyond normal job function)
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




2012-
Royal Meteorological Society

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







  Professional Development and Training (Selected)




2014
Introduction to Geographic Information Systems

2012-2013
UCAR Leadership Academy

2012
UCAR introduction to export controls

2011
NSF-sponsored workshop Science: Becoming the Messenger

2011
Tutorial on R statistical language

2009
Export compliance at UCAR

2009
Tutorial on NCAR Command Language (NCL)

2008
Hire training for supervisors

2007
Supervisory skills: beyond the basics and situational

2007
Performance appraisal skills and processes

2006
Supervisory skills: the basics

2006
Art and practice of project leadership

2002
Tutorial on the WRF Model







  Computer Literacy




Operating systems
UNIX, Linux, Macintosh OS X, Windows 95/98/2000/XP



Programming, scripting, and markup
FORTRAN 77/90, Perl, Python, C shell, HTML, CSS



Data analysis and display
GrADS, IDL, IDV, NCL, R, RIP, ncview



Word processing and typesetting
MS Word, LaTeX, TeX



Other software and applications
Adobe Acrobat, Adobe Illustrator, Adobe Dreamweaver, Adobe Lightroom, Adobe Photoshop, MS Excel, MS PowerPoint






  Peer-Reviewed Scientific Publications




2014
Fernando, H.J.S., et. al, 2014: The MATERHORN - unraveling the intricacies of mountain weather.  Bull. Amer. Meteor. Soc., submitted.




Massey, J. D., W. J. Steenburgh, S. W. Hoch, and J. C. Knievel, 2014: Sensitivity of near-surface temperature forecasts to soil properties over a sparsely vegetated dryland region.  J. Applied Meteor. Climatol, 53, 1976-1995.  DOI:10.1175/JAMC-D-13-0362.1.




Nagarajan, B., L. Delle Monache, D. L. Rife, K. Searight, and J. C. Knievel, 2014: Evaluation and performance of analog post-processing methods across several variables and forecast models. Mon. Wea. Rev., submitted.



2013
Grim, J. A., J. C. Knievel, and E. T. Crosman, 2013:  Techniques for using MODIS data to remotely sense lake water surface temperatures. J. Atmos. Oceanic Technol., 30, 2434-2451. DOI: 10.1175/JTECH-D-13-00003.1.




2010
Frehlich, R., R. Sharman, F. Vandenberghe, W. Yu, Y. Liu, J. C. Knievel, and G. Jumper, 2010:  Estimates of Cn2 from numerical weather prediction model output and comparison with thermosonde data.  J. Appl. Meteor. Climatol., 49, 1742-1755. DOI: 10.1175/2010JAMC2350.1.





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 regional composites of sea-surface temperature from MODIS for use in operational mesoscale NWP.  J. Appl. Meteor. Climatol., 49, 2267-2284. DOI: 10.1175/2010JAMC2430.1.




2009
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.




2007
Knievel, J. C., G. H. Bryan, and J. P. Hacker, 2007:  Explicit numerical diffusion in the WRF Model.  Mon. Wea. Rev., 135, 3808-3824.





Warner, T. T., and coauthors, 2007:  The Pentagon Shield Field Program: toward critical infrastructure protection.  Bull. Amer. Meteor. Soc., 88, 167-176.




2006
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.



2005
Hardwick, C. J., and J. C. Knievel, 2005:  Speculations on the possible causes of the Whymper apparition.  Appl. Optics, 44, 5637-5643.




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.




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.




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.



2004
Davis, C. A., and coauthors, 2004:  The Bow Echo and MCV Experiment (BAMEX): observations and opportunities.  Bull. Amer. Meteor. Soc., 85, 1075-1093.





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.





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.




2003
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.




2002
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




1999
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.




1998
Knievel, J. C. and R. H. Johnson, 1998:  Pressure transients within MCS mesohighs and wake lows.  Mon. Wea. Rev., 126, 1907-1930.





  Other Publications




2003
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.



2002
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.



1997
Knievel, J. C., 1997:  Air pressure.  Encyclopedia of Earth and Physical Sciences, Vol. 1, Marshal Cavendish, New York, New York.




Knievel, J. C., 1997:  Global warming.  Encyclopedia of Earth and Physical Sciences, Vol. 4, Marshal Cavendish, New York, New York.




Knievel, J. C., 1997:  Rain, snow, and sleet.  Encyclopedia of Earth and Physical Sciences, Vol. 8, Marshal Cavendish, New York, New York.




Knievel, J. C., 1997:  Stratosphere.  Encyclopedia of Earth and Physical Sciences, Vol. 9, Marshal Cavendish, New York, New York.




Knievel, J. C., 1997:  Wind.  Encyclopedia of Earth and Physical Sciences, Vol. 10, Marshal Cavendish, New York, New York.




Knievel, J. C. and Z. A. Eitzen, 1997:  Monsoon.  Encyclopedia of Earth and Physical Sciences, Vol. 5, Marshal Cavendish, New York, New York.



1996
Knievel, J. C., 1996:  Surface pressure transients in mesoscale convective systems.  Atmospheric Science Paper No. 605, Colorado State University, 131 pp.






  Work in Preparation




2014-2015
Knievel, J. C., et al., 2015: The practitioner's WRF model. Bull. Amer. Meteor. Soc., in preparation.




Liu, Y. , L. Pan, Y. Wu, A. Bourgeois, T. Warner, J. C. Knievel, S. Swerdlin, J. Pace, S. F. Halvorson, and F. Gallagher, 2015: The NCAR 4DREKF ensemble data assimilation and forecasting system. Part 1: System description and validation. Journal TBD, in preparation.




Wu, Y., Y. Liu, L. Pan, A. Bourgeois, J. C. Knievel, T. Warner, S. Swerdlin, S. F. Halvorson, J. Pace, and F. Gallagher, 2015: The NCAR 4DREKF ensemble data assimilation and forecasting system. Part 2: Sensitivity of the critical/control parameters. Journal TBD, in preparation.




Pan, L., Y. Liu, Y. Wu, A. Bourgeois, J. C. Knievel, T. Warner, S. Swerdlin, S. F. Halvorson, J. Pace, and F. Gallagher, 2014: The NCAR 4DREKF ensemble data assimilation and forecasting system. Part 3: A proxy without running an ensemble. Journal TBD, in preparation.




Liu, Y., J. C. Knievel, T. M. Hopson, S. F. Halvorson, J. C. Pace, G. Roux, W. Wu, J. P. Hacker, S. E. Krippner, and S. P. Swerdlin, 2014: Mesoscale ensemble weather prediction at Dugway Proving Ground. Journal TBD, in preparation.






  Invited Presentations




12/08/2011
Ten steps to better technical talks.  University of Melbourne, Australia.



03/07/2011
Ten steps to better technical talks.  Risoe National Laboratory for Sustainable Energy, Technical Unversity of Denmark, Roskilde, Denmark.



03/03/2011
Composite sea-surface temperatures from NASA's MODIS instruments for improved mesoscale weather prediction.  Risoe National Laboratory for Sustainable Energy, Technical Unversity of Denmark, Roskilde, Denmark.



06/05/2010
Something in the air: weather, climate, and national security.  Celebration of the 50th Anniversary of UCAR, Boulder, CO, UCAR.



12/12/2007
Atmospheric environment support for the warfighter.  13th Annual ITEA Conference, Las Cruces, NM, ITEA.



12/12/2007
Mesoscale climate reanalysis as a tool for planning outdoor tests.  13th Annual ITEA Conference, Las Cruces, NM, ITEA.



03/19/2007
Beyond "sunny and 75": tailored forecasts and NCAR's 4DWX system.  North Carolina State University, Raleigh, NC.



01/26/2006
Hurricanes.  Redstone Elementary School, Highlands Ranch, CO.



12/09/2003
Diurnal rainfall in the WRF Model.  Seoul National University, Seoul, South Korea.




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.



10/05/2001
Vorticity and gradient balance in a mesoscale convective vortex.  National Severe Storms Laboratory, Norman, OK.




03/21/2001 Vorticity and gradient balance in a mesoscale convective vortex.  Department of Physics, Astronomy, and Meteorology, Western Connecticut State University, Danbury, CT.



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.



02/17/1998
El Nino.  The Kiwanis Club, Fort Collins, CO.







  Other Presentations (Recent)




06/25/2014
Implementing a WRF-based RTFDDA VLES/LES NWP system for supporting test and evaluation at U.S. Army test ranges. 15th Annual WRF Users' Workshop, Boulder, CO, NCAR.



12/09/2013
Observations and simulations of the wind structure in the boundary layer around an isolated mountain during the MATERHORN field experiment. Fall Meeting of the AGU, San Francisco, CA, AGU.



12/09/2013
Simulation of meso-gamma-scale morning-transition flows at Granite Peak, Utah with NCAR's WRF-based 4DWX and observations from the MATERHORN 2012 field campaign. Fall Meeting of the AGU, San Francisco, CA, AGU.



11/06/2013
How clouds form. St. John the Baptist School, Longmont, CO.



01/10/2013
Toward better forecasts of chinooks at Cold Regions Test Center, Alaska. 16th Conference on Aviation, Range, and Aerospace Meteorology, Austin, TX, AMS.



01/10/2013
Probabilistic forecasting from a mesoscale ensemble at Dugway Proving Ground. 16th Conference on Aviation, Range, and Aerospace Meteorology, Austin, TX, AMS.



01/10/2013
New developments of the real-time operational NCAR-ATEC ensemble-RTFDDA (E-4DWX) forecasting system. Symposium on the Role of Statistical Methods in Weather and Climate Prediction, AMS Annual Meeting, Austin, TX, AMS.



06/27/2012
Effects of model configuration on a simulated chinook in the lee of the Alaska Range. 13th Annual WRF Users' Workshop, Boulder, CO, NCAR.



05/08/2012
The importance of the land surface in atmospheric simulations. 2012 ATEC Forecaster Training, Part 2, Boulder, CO, NCAR.



02/28/2012
The importance of the land surface in atmospheric simulations. 2012 ATEC Forecaster Training, Part 1, Boulder, CO, NCAR.



01/25/2012
Simulated chinooks' sensitivity to resolution and model configuration at Cold Regions Test Center, Alaska. 3rd Aviation, Range, and Aerospace Meteorology Special Symposium on Weather-Air Traffic Management Integration, New Orleans, LA, AMS.



01/24/2012
Sensitivity of mesoscale weather in northern Utah to MODIS-derived surface temperature, size, and salinity of the Great Salt Lake. 18th Conference on Satellite Meteorology, Oceanography and Climatology, and the 1st Joint AMS-Asia Satellite Meteorology Conference, New Orleans, LA, AMS.



12/07/2011
Verification of seasonal 2-m temperature forecasts from three ensembles. Report from R project group no. 8.  5th International Verification Methods Workshop, Melbourne, Australia, Centre for Australian Weather and Climate Research. 



06/17/2011
Some advice for undergraduates.  Undergraduate Leadership Workshop, Boulder, CO, NCAR. 



06/14/2011
NCAR's Research Applications Laboratory.  Undergraduate Leadership Workshop, Boulder, CO, NCAR. 



11/16/2010
Toward high-fidelity, probabilistic, virtual atmospheres for defense modeling and simulation.  Chemical and Biological Defense Science and Technology (CBD S&T) Conference, Orlando, FL. 



10/08/2010
Weather, storms, and safety.  St. John the Baptist School, Longmont, CO. 



06/30/2010
Ten steps to better technical talks.  SOARS, Boulder, CO, UCAR. 



06/16/2010
NCAR's Research Applications Laboratory.  Undergraduate Leadership Workshop, Boulder, CO, NCAR. 



05/27/2010
RAL overview: science in service to society.  Meeting of the Chevron Group, Boulder, CO, NCAR. 



05/04/2010
4DWX: lessons in anatomy, etymology, and archaeology.  2010 ATEC Forecaster Training, Part 2, Boulder, CO, NCAR. 



04/14/2010
Mesoscale ensemble data assimilation and weather prediction at Dugway Proving Ground.  BACIMO Conference, Omaha, NE, U. S. Director of Defense Research and Engineering, and Creighton University. 



04/14/2010
The NCAR-ATEC 4-Dimensional Weather (4DWX) Modeling System: a tool for airborne hazard prediction. BACIMO Conference, Omaha, NE, U. S. Director of Defense Research and Engineering, and Creighton University. 



02/23/2010
4DWX: lessons in anatomy, etymology, and archaeology.  2010 ATEC Forecaster Training, Part 1, Boulder, CO, NCAR. 



06/17/2009
NCAR's Research Applications Laboratory.  Undergraduate Leadership Workshop, Boulder, CO, NCAR.



06/02/2009
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.



06/01/2009
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.



05/19/2009
Gridded bias correction.  2009 ATEC Forecaster Training, Part 2, Boulder, CO, NCAR.



05/19/2009
NCAR and the Research Applications Laboratory.  2009 ATEC Forecaster Training, Part 2, Boulder, CO, NCAR.



02/24/2009
NCAR and the Research Applications Laboratory.  2009 ATEC Forecaster Training, Part 1, Boulder, CO, NCAR.






  Other Conference Papers and Abstracts (Recent)




2014
Wu, W., Y. Liu, and J. C. Knievel, 2014:  Evaluation of the latest WRF with high-resolution observations.  15th Annual WRF Users' Workshop, Boulder, CO, NCAR.  Abstract.



2013
Hopson, T., J. Knievel, Y. Liu, G. Roux, and W. Wu, 2013:  Verifying and postprocesing the ensemble spread-error relationship.  EGU General Assembly, Vienna, Austria, EGU.  Abstract.




Liu, Y., Y. Liu, J. C. Knievel, J. Pace, D. Zajic, and S. De Wekker, 2013:  LES simulation of synoptic, mechanic-forcing, and thermally-driven flow interaction of Granite Mountain, UT.  Fall Meeting of the AGU, San Francisco, CA, AGU.  Abstract.




Massey, J., W. J. Steenburgh, S. W. Hoch, and J. C. Knievel, 2013:  Sensitivity of near-surface temperature forecasts to soil properties over a dryland region in complex terrain.  Fall Meeting of the AGU, San Francisco, CA, AGU.  Abstract.




Serafin, S., S. De Wekker, and J. C. Knievel, 2013:  Observations and simulations of the wind structure in the boundary layer around an isolated mountain during the MATERHORN field experiment.  Fall Meeting of the AGU, San Francisco, CA, AGU.  Abstract.




Deierling, W., J. C. Knievel, C. J. Kessinger, M. Steiner, and E. Nelson, 2013:  Lightning-potential forecast sensitivity to microphysics in the WRF Model.  6th Conference on the Meteorological Applications of Lightning Data, Austin, TX, AMS.  Abstract.




Delle Monache, L., A. Eckel, B. Nagarajan, D. Rife, J. C, Knievel, T. McClung, and K. R. Searight, 2013:  Optimization of the analog ensemble method.  Special Symposium on Advancing Weather and Climate Forecasts: Innovative Techniques and Applications, AMS Annual Meeting, Austin, TX,, AMS.  Abstract.




Grim, J. A., J. Knievel, and E. T. Crosman, 2013:  Retrieving MODIS water surface temperatures of inland bodies of water for use in operational mesoscale modeling.  9th Annual Symposium on Future Operational Environmental Satellite Systems, Austin, TX, AMS.  Abstract.




Liu, Y., L. Pan, Y. Wu, A. Bourgeois, J. C. Knievel, S. Swerdlin, J. Pace, F. W. Gallagher, III, and S. F. Halvorson, 2013:  Validation and Evaluation of the NCAR 4D-REKF ensemble data assimilation and forecasting system.  17th Conference on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS), Austin, TX, AMS.  Abstract.



2012
Deierling, W., J. C. Knievel, C. J. Kessinger, M. Steiner, and E. Nelson, 2012:  The sensitivity of lightning-potential forecasts to microphysics in the WRF Model.  3rd Aviation, Range, and Aerospace Meteorology Special Symposium on Weather-Air Traffic Management Integration, New Orleans, LA, AMS.  Abstract.




Descombes, G., J. Knievel, J. H. Copeland, and F. Vandenberghe, 2012:  Smart climatologies for seasonal predictions at a regional scale.  10th Conference on Artificial Intelligence Applications to Environmental Science, New Orleans, LA, AMS.  Abstract.




Grim, J. A., J. C. Knievel, and H. H. Fisher, 2012:  Effects of the Great Salt Lake's temperature and size on the regional precipitation in the WRF Model.  13th Annual WRF Users' Workshop, Boulder, CO, NCAR.  Abstract.




Hopson, T. M., L. Delle Monache, Y. Liu, G. Roux, W. Wu, W. Cheng, J. C. Knievel, and S. E. Haupt, 2012:  Comparing and contrasting post-processing approaches to calibrating ensemble wind and temperature forecasts.  21st Conference on Probability and Statistics in the Atmospheric Sciences, New Orleans, LA, AMS.  Abstract.




Liu, Y., W. Y. Y. Cheng, L. Pan, G. Roux, Y. W. Liu, J. C. Knievel, J. Pace, F. Gallagher, and S. Halvorson, 2012:  Advanced data assimilation technologies for realtime meso- and micro-scale weather analysis, nowcasting, and forecasting.  The Urban and Rural Meteorology Workshop, South Korea.  Abstract.




Liu, Y., L. Pan, Y. Wu, A. Bourgeois, J. Knievel, S. Swerdlin, X. Y. Huang, J. C. Pace, F. W. Gallagher, and S. F. Halvorson, 2012:  Development of the NCAR 4D-REKF Ensemble Data Assimilation and Forecasting System and a comparison with Dart-EnKF and WRFVAR.  16th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS), New Orleans, LA, AMS.  Abstract.




Searight, K. R., J. C. Knievel, C. Borst, J. Exby, H. H. Fisher, R. Ruttenberg, J. C. Pace, S. F. Halvorson, and F. W. Gallagher, 2012:  Consolidating distributed operational NWP models into centralized HPCs: a case study.  28th Conference on Interactive Information Processing Systems (IIPS), New Orleans, LA, AMS.  Abstract.




Searight, K. R., H. Soh, H. H. Fisher, and J. C. Knievel, 2012:  Integration of the interactive data viewer into an operational weather forecasting system.  28th Conference on Interactive Information Processing Systems (IIPS), New Orleans, LA, AMS.  Abstract.




Wu, W., Y. Liu, M. Ge, J. C. Knievel, S. Swerdlin, and J. Pace, 2012:  A numerical study of the 27th April 2011 tornado outbreak in the southeastern U. S. with the WRF-RTFDDA-LES System.  Special Symposium on the Tornado Disasters of 2011, New Orleans, LA, AMS.  Abstract.




Wu Y., Y. Liu, N. Jacobs, P. Childs, F. Vandenberghe, L. Pan, and J. C. Knievel, 2012:  An online data quality control procedure with the NCAR RTFDDA System.  16th Symposium on Meteorological Observation and Instrumentation, New Orleans, LA, AMS.  Abstract.




Xu, M., Y. Liu, W. Yu, J. Sun, M. Ge, J. C. Knievel, and J. C. Pace, 2012:  Radar data assimilation for short-term forecasting of convection using a hybrid approach of latent heat nudging, 3DVAR, and grid nudging.  16th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS), New Orleans, LA, AMS.  Abstract.



2011
Copeland, J. H., J. C. Knievel, F. Vandenberghe, and R. Babarsky, 2011:  Unsupervised machine learning as a method to identify patterns in regional climate downscaling reanalyses.  9th Conference on Artificial Intelligence and its Applications to the Environmental Sciences, and 23rd Conference on Climate Variability and Change, Seattle, WA, AMS.  Abstract.




Liu, Y., T. Warner, S. Swerdlin, T. Betancourt, J. Knievel, B. Mahoney, J. Pace, D. Rostkier-Edelstein, N. A. Jacobs, P. Childs, and K. Parks, 2011:  NCAR ensemble RTFDDA: Real-time operational forecasting applications and new data assimilation developments.  24th Conference on Weather and Forecasting, and 12th Conference on Numerical Weather Prediction, Seattle, WA, AMS.  Abstract.




Wu, W., Y. Liu, J. A. Grim, F. Vandenberghe, A. Bourgeois, J. C. Knievel, T. Warner, M. Padovani, G. Luft, and K. Fling, 2011::  Simulating atmospheric boundary layer transition during a winter storm event with the WRF model.  24th Conference on Weather and Forecasting, and 12th Conference on Numerical Weather Prediction, Seattle, WA, AMS.  Abstract.



2010
Knievel, J. C., Y. Liu, S. F. Halvorson, J. Pace, G. Roux, W.Wu, J. P. Hacker, T.M. Hopson, S. Krippner, T. T. Warner, and S. P. Swerdlin, 2010:  Mesoscale ensemble data assimilation and weather prediction at Dugway Proving Ground.  BACIMO Conference, Omaha, NE, U. S. Director of Defense Research and Engineering, and Creighton University.  Abstract.




Knievel, J. C., J. C. Pace, Y. Liu, T. M. Hopson, F. Vandenberghe, T. T. Warner, and S. P. Swerdlin, 2010:  Toward high-fidelity, probabilistic, virtual atmospheres for defense modeling and simulation.  Chemical and Biological Defense Science and Technology (CBD S&T) Conference, Orlando, FL, Defense Threat Reduction Agency.  Abstract.




Liu, Y., T. T. Warner, S. P. Swerdlin, T. Betancourt, A. Bourgeois, G. Roux, W. Wu, Y. Liu, J. P. Hacker, D. Rife, T. M. Hopson, J. C. Knievel, L. Carson, J. Copeland, P. Bieringer, J. Pace, S. F. Halvorson, S. Krippner, F. Gallagher, and J. A. Reynolds, 2010:  The NCAR-ATEC 4-Dimensional Weather (4DWX) Modeling System: a tool for airborne hazard prediction.  BACIMO Conference, Omaha, NE, U. S. Director of Defense Research and Engineering, and Creighton University.  Abstract.




Rife, D., C. Davis, and J. Knievel, 2010:  Evaluating temporal wind changes in mesoscale numerical forecasts using an object-based method.  Developmental Testbed Center Verification Workshop, Boulder, CO, NCAR.  Abstract.




Vandenberghe, F., R. R. Frehlich, R. Sharman, J. C. Knievel, W. Yu, and Y. Liu, 2010:  Estimates of Cn2 from numerical weather prediction model output.  BACIMO Conference, Omaha, NE, U. S. Director of Defense Research and Engineering, and Creighton University.  Abstract.




Wu, W., Y. Liu, J. Grim, F. Vandenberghe, A. Bourgeois, J. Knievel, T. Warner, M. Padovani, G. Luft, and K. Fling, 2010:  Simulated boundary layer structure and evolution in an Appalachian cold-air damming event with the WRF model.  19th Symposium on Boundary Layers and Turbulence, Keystone, CO, AMS.  Abstract.




Wu, W., Y. Liu, F. Vandenberghe, A. Bourgeois, J. Grim, J. Knievel, T. Warner, D. Stauffer, M. Padovani, G. Luft, and K. Fling, 2010:  Evaluation of planetary boundary layer parameterizations in WRF3.2.  11th Annual WRF Users' Workshop, Boulder, CO, NCAR.  Abstract.



2009
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, and 19th Conference on Numerical Weather Prediction, Omaha, NE, AMS, 16.A.1  [Available from knievel@ucar upon request.]




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, and 19th Conference on Numerical Weather Prediction, Omaha, NE, AMS.  Abstract.




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, and 19th Conference on Numerical Weather Prediction, Omaha, NE, AMS, JP2.5.  [Available at http://ams.confex.com/ams/pdfpapers/154097.pdf.]




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.




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.




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, and 19th Conference on Numerical Weather Prediction, Omaha, NE, AMS.  Abstract.






 





Key to abbreviations (alphabetical)

4DWX = Four-Dimensional Weather System
AF = Air Force
AGU = American Geophysical Union
AMS = American Meteorological Society
ATEC = U. S. Army Test and Evaluation Command
BACIMO = Battlespace Atmospheric and Cloud Impacts on Military Operations
CSU = Colorado State University, Fort Collins, CO
CU = University of Colorado, Boulder, CO
GLOBE = Global Learning and Observations to Benefit the Environment
ITEA = International Test and Evaluation Association
IUGG = International Union of Geodesy and Geophysics
JPADS = Joint Precision Airdrop System
NCAR = National Center for Atmospheric Research, Boulder, CO
NOAA = National Oceanic and Atmospheric Administration
NRC = National Research Council of the National Academy of Sciences
PSU = The Pennsylvania State University, University Park, PA
RAL = Research Applications Laboratory
SBIR = Small Business Innovation Research
SOARS = Significant Opportunities in Atmospheric Research and Science
UCAR = University Corporation for Atmospheric Research, Boulder, CO




The information provided on this page is the responsibility of the author, knievel@ucar.edu.

This page was last updated on 14 August 2014.

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