Yong-Run Guo

Mesoscale Prediction Group

Mesoscale and Microscale Meteorology Division

National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307-3000

Tel: (303) 497-8142;Fax: (303)497-8171; E-Mail: guo@ucar.edu

EDUCATION

1964 B.S. in Department of Meteorology, Nanjing University, China

PROFESSIONAL RECORD

2004.9- date Associate Scientist IV. National Center for Atmospheric Research, Boulder, CO. Work with Dr. Y.-H. Kuo, Dr. Dale Barker and Dr. Andrew Crook on variational data assimilation for CWB, CRIEPI, KMA, AFWA, and BMB projects.

1999.9-2004.8 Associate Scientist III, National Center for Atmospheric Research, Boulder, CO. Work with Dr. Y.-H. Kuo and Dr. Dale Barker, and Dr. Andrew Crook on variational data assimilation for USWRP, AFWA, CAA, KMA, CREIPI, SuomiNet, and CWB projects.

1995.6-1999.9 Associate Scientist II. National Center for Atmospheric Research, Boulder, CO. Work with Dr. Y.-H. Kuo and Dr. Xiaolei Zou on variational data assimilation for ARM and USWRP projects.

1994.2-1995.5 Associate Scientist I. National Center for Atmospheric Research, Boulder, CO. Work with Dr. Y.-H. Kuo and Dr. Xiaolei Zou on variational data assimilation for ARM project.

1991-1994.1 Visiting Scientist, National Center for Atmospheric Research, Boulder, CO. Work with Dr. Y.-H. Kuo on 4-D data assimilation.

1990.8-1990.12 Research Associate, Department of Meteorology, McGill University, Canada. Work with Prof. Peter Yau on Clark’s anelastic model.

1987.7-1990.7 Visiting Scientist, National Center for Atmospheric Research, Boulder, Colorado, U. S. A., Work with Dr. Y.-H. Kuo on 4-D data assimilation for wind profiler.

1964-1987 NWP Researcher and forecaster, Shanghai Meteorological Bureau, P.R.C.

ACTIVITES SUMMARY

2000 – present One of the primary developers of MM5/WRF 3DVAR system, especially for observation preprocessor, observation operators (GPS RO, GPS ZTD, AWS, etc.), multiple loops incremental approach, Background error statistics, etc., and in 2004, serves as the science manager for WRF 3DVAR system.

2001 – 2002 Took the lead in completing the first year tasks of the KMA (Korea Meteorological Administration) project. Performed the KMA AWS (Automatic Weather Station) data assimilation in 3DVAR system for 14 July 2001 Heavy Rain case over the Korean Peninsula, wrote all the project reports, and attended the final project review in Seoul, Korea.

2002 – 2003 Worked with colleagues in MPG/DA group to incorporate more types of the observations into the parallelized version of the MM5/WRF 3DVAR system, such as QuikSCAT, ATOVS, radar radial velocity, ... etc. Performed the study of the 12 June 2002 IHOP case with 3DVAR assimilation of the GPS PW data for the CRIEPI project.

Reviewed the MM5V3 4DVAR MPP code for CWO-5 project.

2003 – 2004 Served as a coordinator of 2003 AFWA (Air Force Weather Agency) Project in the area of three-dimensional variational data assimilation. Completed a total of 11 research tasks required by the project. The updated MM5 3DVAR system was implemented in the AFWA operational NWP system.

Performed the GPS PW assimilation study for the CRIEPI project, and presented the results at the 2004 AMS Annual meeting, Seattle, WA.

2000 – 2003 Worked with So-Young Ha for her Ph.D thesis research on the assimialtion of the slant path GPS wet delay with MM5 4DVAR system. So-Young Ha received her Ph.D degree in May 2003.

PROFESSIONAL HONORS

1999 NCAR/MMM Certificate of Excellence for outstanding contribution to Education and Outreach in MM5 Model Tutorial Class

PUBLICATIONS – Refereed

Guo, Y.-R., H. Kusaka, D. M. Barker, Y.-H. Kuo, and A. Crook, 2005: Impact of Ground-based GPS PW and MM5-3DVar Background Error Statistics on Forecast of a Convective Case. SOLA, 2005, 1, 073-076, doi: 10.2151/sola. 2005-020.

Xiao, Q., Y.-H. Kuo, J. Sun, W.-C. Lee, Eunha Lim, Y.-R. Guo, and D. M. Barker, 2005: Assimilation of Doppler Radar Observations with a Regional 3DVAR System: Impact of Doppler Velocity on Forecast of a Heavy Rainfall Case. J. Appl. Meteor., 44. 768-788.

Barker, D. M., W. Huang, Y.-R. Guo, A. J. Bourgeois, and Q. N. Xiao, 2004: A Three-dimensional variational data assimilation system for MM5: Implementation and initial results. Mon. Wea. Rev., 132, 897-914.

Ha, S.-Y., Y.-H. Kuo, Y.-R. Guo, and G.-H. Lim, 2003: Variational assimilation of slant-path wet delay measurements from a hypothetical ground-based GPS network. Part I: Comparison with precipitable water assimilation. Mon. Wea. Rev., 131, 2635-2655.

Ha, S.-Y., Y.-H. Kuo, Y.-R. Guo, C. Rocken, and T. Van Hove, 2002: Comparison of GPS slant wet delay measurements with model simulation during the passage of a squall line. Geophys. Res. Lett., 29, 2113, doi:10.1029/2002GL015891.

Reed, R. J, Y.-H. Kuo, M. D. Albright, K. Gao, Y.-R. Guo, and W. Huang, 2001: Analysis and Modeling of a Tropic-like Cyclone in the Mediterranean Sea. Meteorology and Atmospheric Physics, 76, 183-202..

Guo, Y.-R., Y.-H. Kuo, J. Dudhia, D. Parsons, and C. Rocken, 2000: Four-Dimensional Variational Data Assimilation of Heterogeneous Mesoscale Observations for a strong Convective Case. Mon. Wea. Rev., 128, 619-643

Kuo, Y.-H., X. Zou, S. J. Chen, W. Huang, Y.-R. Guo, R. A. Anthes, M. Exner, D. Hunt, C. Rocken, and S. Sokolovskiy, 1998: A GPS/MET Sounding through an Intense Upper-Level Front. Bull. Amer. Meteor. Soc., 79, 617-626.

Kuo, Y.-H., X. Zou, and Y.-R. Guo, 1996: Variational Assimilation of Precipitable Water Using a Nonhydrostatic Mesoscale Adjoint Model. Part I: Moisture Retrieval and Sensitivity Experiments. Mon. Wea. Rev., 124, 122-147.

Zou, X., Y.-H. Kuo, and Y.-R. Guo, 1995: Assimilation of Atmospheric Radio Refractivity Using a Nonhydrostatic Mesoscale Model. Mon. Wea. Rev., 123, 2229-2249.

Gyakum, J. R., Y.-H. Kuo, Z. Guo, and Y.-R. Guo, 1995: A Case of Rapid Continental Mesoscale Cyclogenesis. Part II: Model and Observational Diagnosis. Mon. Wea. Rev., 123, 998-1024.

Kuo, Y.-H., Y.-R. Guo, and E. R. Westwater, 1993: Assimilation of Precipitable Water Measurements into a Mesoscale Numerical Model. Mon. Wea. Rev., 121, 1215-1238.

Kuo, Y.-H. and Y.-R. Guo, 1989: Dynamic Initialization Using Observations from a Hypothetical Network of Profilers. Mon. Wea. Rev., 117, 1975-1998.

PUBLICATION--Non-Refereed

Guo, Y.-R., H. Kusaka, D.M. Barker, Y.-H. Kuo, and A. Crook, 2004: Assimilation of ground-based GPS PWV with 3DVAR system for a IHOP case. Proc. Of 20^th conference on weather analysis and forecast / 16^th conference on numerical weather prediction. 11-15 January 2004, Seattle, WA. P1.13.

Xiao, Q., J. Sun, W.-C. Lee, E. Lim, Y.-R. Guo, D.M. Barker, and Y.-H. Kuo,2003: Assimilation od Doppler radar observations with a regional 3D-VAR system: A heavy rainfall case study. Proc. Of 31th conference on radar meteorologyn (Volume 1), 6-12 August 2003, Seattle, WA. 165-168.

Guo, Y.-R., H. Kusaka, D.M. Barker and A. Crook, 2003: Impact of assimilation the ground-based GPS PWV measurements with 3DVAR system for IHOP 12 June case. Preprint of the 13th PSU/NCAR mesoscale model user’s workshop. 10-11 June 2002, Boulder, CO. 97-100.

Guo, Y.-R., D.-H. Shin, J. Lee, Q. Xiao, D. Barker, and Y.-H. Kuo, 2002: Applicatiopn of the MM5 3DVAR system for a heavy rain case over the Korea peninsula. Preprint of the twelfth PSU/NCAR mesoscale model user’s workshop. 24-25 June 2002, Boulder, CO. 161-165.

Guo, Y.-R., D.-H. Shin, J. Lee, Q. Xiao, D. Barker, and Y.-H. Kuo, 2002: Assimilation of KMA AWS data with MM5 3DVAR system and application for 14 July 2001 heavy rain case. Preprint of T\the third US-Korea joint workshop on storm scale and mesoscale weather analysis and prediction. 20-22 February 2002. Boulder, CO. 49-52.

Barker, D.M., Y.-R. Guo, W. Huang, Q. Xaio, 2002: The development of a 3DVAR assimilation capability for the WRF model. Preprint of T\the third US-Korea joint workshop on storm scale and mesoscale weather analysis and prediction. 20-22 February 2002. Boulder, CO. 47-48.

Kuo, Y.-H. and Y.-R. Guo,2002: Simulation of a mesoscale cyclone over the Mediterranean sea. Preprint of T\the third US-Korea joint workshop on storm scale and mesoscale weather analysis and prediction. 20-22 February 2002. Boulder, CO. 108-114.

Ha, S.-Y., Y.-H. Kuo, and Y.-R. Guo, 2002: Assimilation of ground-based GPS slant-path water vapor measurements and its impact on short-range prediction of a pre-frontal squall line: An OSSE study. Preprint of T\the third US-Korea joint workshop on storm scale and mesoscale weather analysis and prediction. 20-22 February 2002. Boulder, CO. 82-86.

Barker, D., W. Huang, and Y.-R. Guo, 2001: Initial verification of the MM5 3DVAR DATA assimilation system. Preprint of the ninth conference on Mesoscale processes, Amer. Meteor. Sco., 30 July - 2 August 2001, Ft. Lauderdale, Florida.

Guo, Y.-R., J. Dudhia, and Y.-H. Kuo, 1999: Impact of different moist physics on 4DVAR: a case study. Preprint of the ninth PSU/NCAR Mesoscale Model User's Workshop, 23-25 June 1999, Boulder, Colorado, 65-67.

Dudhia, J., Y.-R. Guo, Y.-H. Kuo, and D. Parsons, 1999: Assimilation of diverse mesoscale data in simulations of an Oklahoma mesoscale convective system using 4DVAR methods. Preprint of the eighth conference on Mesoscale processes, Amer. Meteor. Sco., 28 June - 1 July 1999, Boulder, Colorado, 332-337.

Guo, Y.-R., Y.-H. Kuo, J. Dudhia, and D. Parsons, 1999: Assimilation of ARM WVIOP-96 data for an Oklahoma mesoscale convective system. Proc. of the ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting, 22-26 March 1999, San Antonio, Texas.

Guo, Y.-R., Y.-H. Kuo, D. Parsons, and J. Dudhia, 1998: Assimilation of Heterogeneous Mesoscale Observations with MM5-4DVAR System, Preprint of the eighth PSU/NCAR Mesoscale Model User's Workshop, 15-16 June 1998, Boulder, Colorado, 103-106.

Guo, Y.-R., J.-W. Bao, and Y.-H. Kuo, 1999: A Comparison of Mesoscale Adjoint Models Used for Targeted Observation Planning: The Perspective of Sensitivity Analysis. Preprint of Third Symposium on Integrated Observing Systems, 10-15 January 1999, Dallas, Texas, 162-163.

Guo, Y.-R., Y.-H. Kuo, J. Dudhia, and D. Parsons, 1998: Assimilation of ARM WVIOP-96 Data with MM5-4DVAR System, Proc. of the eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting, 23-28 March 1998, Tucson, Arizona, 295-301.

Guo, Y.-R., and Y.-H. Kuo, 1997: A note on sensitivity study with the MM5 adjoint model, Preprint of the Seventh PSU/NCAR Mesoscale Model User's Workshop, 21-23 July 1997, Boulder, CO, 164-166.

Guo, Y.-R., and Y.-H. Kuo, J. Dudhia, and D. B. Parsons, 1997: Assimilation of Precipitable Water Observations During the Atmospheric Radiation Measurement Program Water Vapor Intensive Observation Period September 1996. Proc. of the Seventh Atmospheric Radiation Measurement (ARM) Science Team Meeting, San Antonio, Texas.

Dudhia, J., and Y.-R. Guo, 1995: Data Assimilation of a Ten-Day Period During June 1993 Over the Southern Great Plains Site Using a Nested Mesoscale Model. Proc. of the fifth Atmospheric Radiation Measurement (ARM) Science Team Meeting, San Diego, California.

Guo, Y.-R., X. Zou and Y.-H. Kuo, 1995: Retrieving moisture profiles from Precipitable water measurements using a variational data assimilation approach. Proc. of the Fifth Atmospheric Radiation Measurement (ARM) Science Team Meeting, San Diego, California.

Guo, Y.-R., and Y.-H. Kuo, 1994: Testing of Newtonian nudging technique in data assimilation on the meso-beta-scale. Proc. of the Fourth Atmospheric Radiation Measurement (ARM) Science Team Meeting, Charleston, South Carolina.

Kuo, Y.-H., and Y.-R. Guo, 1993: Meso-beta-scale data assimilation of the WISP/ARM-91 intensive observing period case on 6 March 1991. Proc. of the Third Atmospheric Radiation Measurement (ARM) Science Team Meeting, Norman, Oklahoma.

Guo, Y.-R., and Y.-H. Kuo, 1988: Tests of Newtonian nudging technique for mesoscale dynamic initialization. Proc., Workshop on Limited-Area Intercomparison, Boulder, Colorado, 155-164.

Guo, Y.-R., Y.-T. Zhu and M.-Z. Ji, 1984: An operational scheme of five-level primitive equation model and its preliminary results. Proc., National Conference on Numerical Weather Prediction, Beijing, China, The Meteorology Press (in Chinese).

Guo, Y.-R., 1981: An improved operational model for Typhoon track forecast. Proc., Typhoon Symposium, Shanghai, China, The Science and Technology Press, 47-51 (in Chinese).

TECHNICAL NOTE

Barker, D., W. Huang, Y.-R. Guo, and A. Bourgeois 2003: A Three-Dimensional Variational (3DVAR) Data Assimilation System For Use With MM5. NCAR Technical Note, NCAR/TN-453+STR, 68 pp.

Guo, Y.-R., and Sue Chen, 1993: Terrain and Land Use for the Fifth-Generation Penn State/NCAR Mesoscale Modeling System (MM5): Program TERRAIN. NCAR Technical Note, NCAR/TN-397+IA, 113 pp.