Active Grants in 2017

1. Xue, M., (PI), Co-PI: Fierro, A. O., MacGorman, D., Mansell, E., Zhao, G. "Assimilation of High-Frequency GOES-R Geostationary Lightning Mapper (GLM) Flash Ex-tent Density Data in GSI-Based EnKF and Hybrid for Improving Convective Scale Weather Predictions," Sponsored by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Federal. NOAA, NA16OAR4320115, $597,835, (April 1, 2017 - March 31, 2020).

3. Xue, M., (PI), CO-PI: Brewster, K. A., Jung, Y., Hu, X., "Evaluation and Optimization of Two New Scale-Aware PBL Schemes within WRF for the Prediction of Day- and Night-Time Storm Environment and Tornadic Storms during VORTEX-SE," Sponsored by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Federal, NA17OAR4590188, $287,126. (September 1, 2017 - August 31, 2019).

3. Xue, M., (PI), Co-PI: Brewster, K. A., Jung, Y., Kong, F., "Enhancement and Evaluation of NGGPS Model FV3 at Convection-Allowing Resolutions through Hazardous Weather Testbed Spring Experiment towards Accelerated Operational Implementation of FV3 for Mesoscale Applications," NOAA, NA16OAR4320115, $194,175 (May 1, 2017 - April 30, 2018).

4. Xue, M., (PI), Co-PI: Snook, N. A., Brewster, K. A., Kong, F., "Convection-Allowing Ensemble Prediction for Heavy Precipitation in Support of the Hydrometeorology Testbed (HMT): New QPF Products, Data Assimilation Techniques and Prediction Model," NOAA, NA17OAR4590120, $288K (July 1, 2017 - June 30, 2019).

5. Xue, M., (PI), Liu, C., Jung, Y., Kong, F., "Development and Optimization of Radar-Assimilating Ensemble-Based Data Assimilation for Storm-Scale Ensemble Prediction in Support of HWT Spring Experiments," NOAA, NA17OAR4590186, $290,837. (July 1, 2017 - June 30, 2019).

6. Jung, Y., (PI), Xue, M., (Co-PI), "Impact of Assimilating Polarimetric Phased Array Radar Observations on Convective-scale  Numerical Weather Prediction Model for Severe Weather Forecasts," NOAA, NA16OAR4320115, $345,996. (June 1, 2017 - May 31, 2019).

7. Xue, M., (PI), Snook, N. A., Brewster, K. A., Jung, Y., Kong, F., "A Partnership to Develop and Evaluate Optimized Realtime Convective-Scale Ensemble Data Assimilation and Prediction Systems for Hazardous Weather: Toward the Goals of a Weather-Ready Nation," NOAA, NA16NWS4680002, $450K (May 1, 2016 - April 30, 2019).

8. Xue, M., (PI), Zhang, G. (Co-PI), "Assessment of the Performance of Beijing Meteorological Service (BMS) X-band Polarimetric Radars and Data Quality Control and Assimilation for the BMS X-band Radar Network," Sponsored by Beijing Meteorological Service, Industry, $120,000. (January 1, 2017 - December 31, 2018).

9. Snook, N. A., (PI), Co-PI: Xue, M., Jung, Y., McGovern, A., "Development and Implementation of Probabilistic Hail Forecast Products using Multi-moment Microphysics and Machine Learning Algorithms," NOAA, $335,084. (October 1, 2016 - September 30, 2018).

10. Xue, M., (PI), Jung, Y., (Co-PI), "Advanced Data Assimilation and Prediction Research for Convective-Scale Warn-on-Forecast," NOAA, NA16OAR4320115, $200,000. (July 1, 2017 - June 30, 2018).

12. Kong, F., (PI), Brewster, K. A., Hu, X., Xue, M.,, "Development of a Storm-Scale Ensemble Numerical Weather Prediction System for Chongqing Meteorological Service," Sponsored by Chongqing Inst of Green and Intelligent Tech, Chinese Academy of Sciences, Industry. (April 1, 2017 - March 31, 2018).

13. Kong, F., (PI), Co-PI: Xue, M., (Co-PI, 20% credit), Jung, Y., "Extended support to the Storm-Scale Numerical Weather Prediction Capability for Shenzhen Meteorological Bureau," Sponsored by Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Industry, $175,380. (January 1, 2017 - December 31, 2017).

14. Xue, M., (PI, "Contribution to Model Development and Enhancement Research Team by the Center for Analysis and Prediction of Storms," Sponsored by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Federal, $95,000. (October 1, 2016 - September 30, 2017).

15. Xue, M., (PI), Jung, Y., (Co-PI), "Advanced Data Assimilation and Prediction Research for Convective-Scale Warn-on-Forecast," Sponsored by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Federal, $200,000. (October 1, 2016 - September 30, 2017).

16. Neeman, H. J., (PI), Co-PI: Severini, H., Skubic, P. L., Strauss, M. G., Xue, M., Brewster, K. A., Gray, Z., Yu, T.-Y., Radhakrishnan, S., "Oklahoma Friction Free Network," Sponsored by National Science Foundation, Federal. (October 1, 2013 - September 30, 2017).

17. Xue, M., (PI), Brewster, K. A., (Co-PI), Kong, F., (Co-PI), "Development of a Short-Range Realtime Analysis and Forecasting System based on the ARPS for Taiwan Region," NOAA, (March 1, 2012 - September 30, 2017).

18. Xue, M., (PI), Co-PI: Moore, B., Mc Pherson, R. A., Bamzai, A., " Very High-Resolution Dynamic Downscaling of Regional Climate for Use in Long-term Hydrologic Planning along the Red River Valley System," Sponsored by U.S. Department of the Interior, U.S. Geological Survey, Federal. (September 26, 2015 - September 25, 2017).

19. Xue, M., (PI), Snook, N. A., (Co-PI) Jung, Y., (Co-PI), Kong, F., (Co-PI), "Improving Initial Conditions and their Perturbations through  Ensemble-Based Data Assimilation for Optimized Storm-Scale Ensemble Prediction in Support of HWT Severe Weather Forecasting," NOAA. (September 1, 2015 - August 31, 2017).

20. Xue, M., (PI), Dawson, D., (Co-PI), Brewster, K. A., (Co-PI), Kong, F., (Co-PI), "Storm-Scale Ensemble Prediction Optimized for Heavy Precipitation Forecasting in Support of the Hydrometeorology Testbed (HMT)," NOAA, (September 1, 2015 - August 31, 2017).

21. Kong, F., (PI), Xue, M., (Co-PI), "Technical Support to the Storm-Scale Numerical Weather Prediction Capability for Shenzhen Meteorological Bureau," Sponsored by Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Industry. (July 1, 2015 - June 30, 2017).

22. Kong, F., (PI), Xue, M., (Co-PI), Brewster, K. A., (Co-PI), "Establishment of an Improved Numerical Weather Forecasting System for Chongqing Meteorological Service," Sponsored by Chongqing Inst of Green and Intelligent Tech, Chinese Academey of Sciences, Industry. (September 15, 2012 - April 30, 2017)

22. Moore, B., (PI), Xue, M., Hu, X., "Atmospheric Carbon and Transport - America," Sponsored by NASA - Headquarters, Federal. (February 10, 2017 - February 9, 2020).

22. Wang, X., (PI), Xue, M., (Co-PI), Kong, F., (Co-PI), "Optimal Design of Multi-scale Ensemble Systems for Convective-Scale Probabilistic Forecasting," Sponsored by National Science Foundation, Federal, $395,769. (March 15, 2011 - February 28, 2017).

Partial list of Past Grants

"The Severe Hail Analysis, Representation, and Prediction (SHARP) Project" NSF AGS-1261776. Ming Xue PI, with Nathan Snook, Youngsun Jung and Amy McGovern as co-PI. $819K, 9/15/2013-8/31/2016.

"Advanced Data Assimilation and Prediction Research for Convective-Scale Warn-on-Forecast" DOC-NOAA. DOC-NOAA NA11OAR4320072. Ming Xue PI with Keith Brewster, and Youngsun Jung as co-PI. $450K, 7/1/2014 - 6/30/2016.

"Advanced Study of Precipitation Microphysics with Multi-frequency Polarimetric Radar Observations and Data Assimilation" NSF AGS-1046171. Guifu Zhang PI. Ming Xue,Boon Leng Cheong, Terry Schurr co-PI. $637,728. 6/1/2011-5/30/2014.

“Storm-Scale Ensemble Prediction Optimized for Heavy Precipitation Forecasting in Support of the Hydrometeorological Testbed (HMT)”. PI Ming Xue with Keith Brewster, and Fanyou  Kong. DOC-NOA.  $239,700, 9/1/2015 – 08/31/2017. 

“Improving Initial Conditions and their Perturbations through Ensemble-Based Data Assimilation for Optimized Storm-Scale Ensemble Prediction in Support of HWT Severe Weather Forecasting.” PI Ming Xue, Fanyou  Kong, Youngsun Jung, Nathan Snook.  $249,705, DOC-NOA. 9/1/2015 – 08/31/2017.

“A Partnership to Develop, Conduct, and Evaluate Real-time High-Resolution Ensemble and Deterministic Forecasts for Convective-scale Hazardous Weather:  Towards the Goals of Weather Ready Nation. Renewal”.  PI Ming Xue with Keith Brewster, Fanyou Kong, Youngsun Jung, Nathan Snook).  NOAA CSTAR Program NA16NWS4680002,  $450,000, 7/1/2016 – 6/30/2019.

“A Partnership to Develop, Conduct, and Evaluate Realtime Advanced Data Assimilation and High-Resolution Ensemble and Deterministic Forecasts for Convective-scale Hazardous Weather: Toward the Goals of a Weather-Ready Nation”.NOAA CSTAR Program, DOC-NOAA NA13NWS4680001,  PI Ming Xue with Fanyou Kong, Youngsun Jung, and Keith Brewster as co-PI).  $375,000 5/1/2013 – 4/30/2016.

"Optimal Design of Multi-scale Ensemble Systems for Convective-Scale Probabilistic Forecasting" NSF AGS-1046081. $395,976. Xuguang Wang (PI), Ming Xue and Fanyou Kong (co-PI). 3/15/2011-3/14/2013.

"Contribution to Model Development and Enhancement Research Team by CAPS" FAA Aviation Weather Research Program. DOT-FAA NA08OAR4320904. Ming Xue PI. $160K, 6/2011 - 5/2012.

"Contribution to Model Development and Enhancement Research Team by CAPS" FAA Aviation Weather Research Program. DOT-FAA NA08OAR4320904. Ming Xue PI. $440K, 1/2010 - 12/2010.

"Advanced Data Assimilation and Prediction Research for Convective-Scale Warn-on-Forecast" DOC-NOAA. DOC-NOAA NA080AR4320904. Ming Xue PI with Keith Brewster, and Youngsun Jung as co-PI. $750K, 7/1/2011 - 6/30/2014.

"Advanced Data Assimilation and Prediction Research for Convective-Scale Warn-on-Forecast" DOC-NOAA. DOC-NOAA NA080AR4320904. Ming Xue PI with Keith Brewster, Jidong Gao and Xuguang Wang as co-PI. $375K, 4/2010 - 9/2011.

"Development of a Short-Range Realtime Analysis and Forecasting System based on the ARPS for Taiwan Region" American Institute in Taiwan via NOAA. Ming Xue PI, with Fanyou Kong and Keith Brewster as co-PI. $200K, 5/2010-4/2011.

"Advanced Multi-Moment Microphysics for Precipitation and Tropical Cyclone Forecast Improvement within COAMPS". Office of Naval Research. DOD-ONR N00014-10-1-0775. Ming Xue PI with Fanyou Kong as co-PI. $592K. 5/2010 - 4/2013.

"Improving NOAA operational global numerical weather prediction using a hybrid variational-ensemble Kalman filter data assimilation and ensemble forecast system" NOAA THORPEX program. Xuguang Wang PI with Ming Xue as co-PI. $312K, 7/2010- 6/2013.

"A Partnership to Develop, Conduct, and Evaluate Realtime High-Resolution Ensemble and Deterministic Forecasts for Convective-scale Hazardous Weather: Moving to the Next Level". Ming Xue PI with Fanyou Kong, Keith Brewster and Xuguang Wang as co-PI. NOAA CSTAR Program (NWSPO-2010-201696). $375K, 5/2010 - 4/2013. Project Summary.

"Collaborative Research: Enabling Petascale Ensemble-based Data Assimilation for the Numerical Analysis and Prediction of High-Impact Weather". PI (with Xuguang Wang, Ronald Barnes, and Henry Neeman as co-PI). NSF OCI-0905040. $901,940. 9/2009-8/2013. This is part of a collaborative project among OU, OSU and PSC, led by this PI (M. Xue) with a total budget of $1.2 million.

"Collaborative Research: CDI-Type II: Integrated Weather and Wildfire Simulation and Optimization for Wildfire Management". PI (with Yang Hong as co-PI). NSF AGS-0941491. $483,634/4 years 11/2009-10/2013. This project is part of a collaborative project among GSU, OU, TAMU and Oakridge National Lab, lead by GSU, witha total budget of $1 million.

"Prediction and Predictability of Tropical Cyclones over Oceanic and Coastal Regions and Advanced Assimilation of Radar and Satellite Data for the Navy Coupled Ocean-Atmosphere Mesoscale Prediction System". PI (with Guifu Zhang, Keith Brewster and Fanyou Kong as co-PIs). Office of Naval Research, Defense EPSCOR Program N00014-10-1-0133. $476K from ONR and $75K from OK State Regent of High Education. 2009-2012.

"A Study of Tornado and Tornadic Thunderstorm Dynamics through High-Resolution Simulation, Advanced Data Assimilation and Prediction". PI (with Keith Brewster and Jidong Gao as co-PI). NSF AGS-0802888. $780K (12/2008 – 12/2011).

"Storm-Scale Quantitative Precipitation Forecasting Using Advanced Data Assimilation Techniques:  Methods, Impacts and Sensitivities". PI (with Keith Brewster, Jidong Gao and Alan Shapiro as co-PI). NSF ATM-0530814. $835K (12/2005 – 12/2008) Web site for IHOP Research Group.

"A Partnership to Develop, Conduct, and Evaluate Realtime High-Resolution Ensemble and Deterministic Forecasts for Convective-scale Hazardous Weather". Co-PI (with K. Dreogemeier as PI and Fanyou Kong and Micheal Coniglio as co-PIs). NOAA CSTAR Program. NA17RJ1227. $375K (5/2007 – 4/2010). Project Summary.

“Assimilating Doppler Radar Data for Storm-scale Numerical Prediction using an Ensemble-based Variational Method” Co-PI. (with Jidong Gao PI and K. Brewster and K. Droegemeier as co-PIs) NSF ATM-0738370. $200K (2/2008 – 1/2010).

“Radar-derived Refractivity and its Impact on Model Analysis and Forecasting using Advanced Data Assimilation Methods”,  Co-PI. (with R. Palmer PI and T. Yu, J. Brotzge, S. Torres as other co-PIs). NSF, AGS-0750790. $710K (4/2008 - 3/2011).

"Improving Microphysics Parameterizations and Quantitative Precipitation Forecast through Optimal Use of Video Disdrometer, Profiler and Polarimetric Radar Observations", Co-PI (with Guifu Zhang as PI and others as co-PI), NSF AGS-0608168. $475K (9/2006-8/2009).

"Meteorological Studies with the Phased Array Weather Radar and Data Assimilation using the Ensemble Kalman Filter". Co-PI (with Tianyou Yu as PI and others as co-PI). Office of Naval Research Defense EPSCOR Program. DOD-ONR N00014-06-1-0590. $561K. (7/2006 – 6/2009).

"Contribution to the Weather Research and Forecast (WRF) Model Development." FAA Aviation Weather Research Program. PI. DOT-FAA NA17RJ1227. $800K (2001 - 2008)

"NSF Engineering Center for Collaborative Adaptive Senseing of the Atmosphere (CASA)" PI of OU Campus (McLaughlin as PI and Kurose, Droegemeier, Chandrasekar, Cruz-Pol, Sandra as co-PI). NSF EEC-0313747. Awarded amount by FY208: $18 million.

"NSF Large Information Technology (ITR) grant Linked Environment for Atmospheric Discovery (LEAD)". Co-PI (with Kelvin Droegemeier as PI and others as co-PI). NSF ATM-0331594. (9/2003-8/2008) $11 million.

“MRI: Development of a Multi-Channel Receiver for the Realization of Multi-Mission Capabilities at the National Weather Radar Testbed”. Co-PI  (with Mark Yeary as PI and 6 other co-PIs). NSF $699.4K (9/2007-8/2009).

“CAPS-NSSL Collaboration for Spring 2007 Realtime Storm-scale Ensemble Prediction”, PI. from National Severe Storms Lab. $30.2K. (2007)

“An Investigation on the Importance of Environmental Variability to Storm-scale Radar Data Assimilation”.  PI (with J. Gao as co-PI). NSSL.  $72.5K (2008)

“Technical Support for the WRF Ensemble Reforecast System”.  PI (with Kelvin Droegemeier and Fanyou Kong as co-PIs). ATSC, LLC.  $86.1K (11/2007-10/2009).

“Theory and Methods for Assimilating Doppler Radar Data for Severe Weather based-on Ensemble Kalman Filter” Major Overseas Collaboration Research. Natural Science Foundation of China. co-PI. Chinese Natural Science Foundation. No.40620120437 ~$120K. (12/2006 – 12/2009)

"On the Optimal Use of WSR-88D Doppler Radar Data for Variational Storm-Scale Data Assimilation". Co-PI (with Jidong Gao as PI and K. Brewster and K. Droegemeier as other co-PIs). NSF ATM-0331756. $600K. (2003-2007).

"Optimal Utilization and Impact of Water Vapor and Other High Resolution Observations in Storm-Scale QPF". PI (with A. Shapiro, F. Carr, K. Brewster, J. Gao as co-PI). NSF ATM-0129892. $830K (12/2001 – 6/2007). Final Report.

“CAPS Support for GOES-R Program”, PI. (with K. Brewster and F. Kong as Co-PI). Atmospheric Environmental Research, $37K (2/2006 – 8/2006).

“Observing System Simulation Experiments for Airborne Weather Sensors”, PI ((with F. Kong as Co-PI). The Boeing Company, $90K (5/2006 – 12/2006).

"Collaborative Weather Research and Forecasting (WRF) model system development". PI (with F. Carr as co-PI). NSF ATM-9909007. $431K (1/2000-12/2003).

"The Sensitivity of Numerically-Simulated Deep Convective Storms to Imposed Large-Amplitude Perturbations". PI (with K. Droegemeier as co-PI). Air Force, Department of Defense, $25K (9/2002-9/2003).

"Outstanding Overseas Yang Scientists Collaborative Research Award", PI. Chinese Natural Science Foundation, $50K (1/2001 – 12/2003).

“Observing System Simulation Experiments for Airborne Weather Sensors”. co-PI (with Kelvin Droegemeier as PI)HRL Laboratories, LLC $33K. (2005-2006).

"Assimilation of Doppler radar, surface mesonet and satellite data", Office of Naval Research, Co-PI  (with PI Alan Shapiro), $12K, 2003.

"Advanced Weather Analysis and Prediction for Energy". Co-PI (with PI K.K. Droegemeier and other Co-PIs) Williams Companies. $2,871K (2001).

"Assimilation of Doppler radar, surface mesonet and satellite data". Co-PI  (with Alan Shapiro as PI and Wei Gu). Office of Naval Research, $583K (3/1998-2/2003).

Presentations

"Recent Progresses in Storm-scale Simulation, NWP and Data Assimilation at CAPS" National Weather Center Seminar, 20 February 2007. Note: The presentation contains html links to movies downloadable from this server - they will be played by your player configured to play Quicktime .mov and Mpeg .mpg files (usually Quicktime Player or Movie Player) after downloading.

Ultra-high-resolution tornado simulations within a supercell storms

Presentation given at 22nd Several Local Storms Conference, Hyannis, Ma. October 2004.

Animated Gif movies (due to the size of the movies, it's best that you download and play them inside Quicktime Player).

• 50m resolution full domain animation of surface fields (~80mb)

• 25 m subdomain animation of surface fields, including vertical vorticity (~110mb)

• Animation of 3D trajectories (8.6mb)

• 3D volume rendering of cloud water field - version 1 (24mb)

• 3D volume rendering of cloud water field - version 2 (32mb)

Permission should be obtained from Ming Xue (mxue@ou.edu) before using the above movies for any purpose.

Data Assimilation and Prediction at the Convective Scale: Recent Progresses - Presentation at the 4th US-Korea Workshop on Mesoscale Meteorology, Feburary 2006.

Convective Initiation along a Dryline: A High-Resolution Modeling Study and the Role of Horizontal Convective Rolls SOM Seminar, October 11, 2005

Prediction and Data Assimilation at the Convective Scales: Successes and Challenges (39mb). Presentation given at the 4th International Conference on Meoscale Convective Systems and Heavy Rainfall in East Asia (ICMCS-IV), November, 2004.

Areas of Research and Representative Publications （Outdated list)

Development and Continued Improvement of ARPS System

ARPS model documentation and model description papers:

Xue, M., K. K. Droegemeier, V. Wong, A. Shapiro, and K. Brewster, 1995: ARPS Version 4.0 User's Guide. Center for Analysis and Prediction of Storms, [Available from CAPS, Univ. of Oklahoma, 100 E. Boyd St., Norman OK 73019], 380 pp.

Xue, M., K. K. Droegemeier, and V. Wong, 2000: The Advanced Regional Prediction System (ARPS) - A multiscale nonhydrostatic atmospheric simulation and prediction tool. Part I: Model dynamics and verification. Meteor. Atmos. Physics. 75, 161-193.

Xue, M., K. K. Droegemeier, V. Wong, A. Shapiro, K. Brewster, F. Carr, D. Weber, Y. Liu, and D.-H. Wang, 2001: The Advanced Regional Prediction System (ARPS) - A multiscale nonhydrostatic atmospheric simulation and prediction tool. Part II: Model physics and applications. Meteor. Atmos. Physics. 76, 143-165.

Xue, M., D.-H. Wang, J.-D. Gao, K. Brewster, and K. K. Droegemeier, 2001: The Advanced Regional Prediction System (ARPS), storm-scale numerical weather prediction and data assimilation. Meteor. Atmos. Physics, 82, 139-170.

Ensemble Kalman Filter Data Assimilation

Tong, M. and M. Xue , 2005: Ensemble Kalman filter assimilation of Doppler radar data with a compressible nonhydrostatic model: OSSE Experiments. Mon. Wea. Rev., 133, 1789-1807.

Xue, M., M. Tong, and K. K. Droegemeier, 2005 : An OSSE framework based on the ensemble square-root Kalman filter for evaluating impact of data from radar networks on thunderstorm analysis and forecast. J. Atmos. Ocean Tech., Accepted.

Tong, M. and M. Xue, 2006: Simultaneous estimation of microphysical parameters and atmospheric state with radar data and ensemble square-root Kalman filter. Part I: Sensitivity analysis and parameter identifiability J. Atmos. Sci., Submitted.

Tong, M. and M. Xue, 2006: Simultaneous estimation of microphysical parameters and atmospheric state with radar data and ensemble square-root Kalman filter. Part II: Parameter estimation experiments. J. Atmos. Sci., Submitted.

Ensemble-based Sensitivity Studies

Martin, W. J. and M. Xue, 2006: Initial condition sensitivity analysis of a mesoscale forecast using very-large ensembles. Mon. Wea. Rev., 134, 192–207.

Ensemble Forecast

Nutter, P., D. Stensrud, and M. Xue , 2004: Effects of coarsely-resolved and temporally-interpolated lateral boundary conditions on the dispersion of limitted-area ensemble forecasts, Mon. Wea. Rev., 132, 2358-2377.

Nutter, P., M. Xue, and D. Stensrud , 2004: Application of lateral boundary condition perturbations to help restore dispersion in limited area ensemble forecasts. Mon. Wea. Rev., 132, 2378-2390.

Data Impact Studies

Souto, M. J., C. F. Balseiro, V. Pérez-Mu?uzuri, M. Xue, and K. Brewster , 2003: Importance of cloud analysis and impact for daily forecast in terms of climatology of Galician region, Spain. J. App. Meteor., 42, 129-140.

Hu, M., M. Xue, and Keith Brewster, 2006: 3DVAR and cloud analysis with WSR-88D Level-II data for the prediction of the Fort Worth tornadic thunderstorms. Part I: Cloud analysis and its impact. Mon. Wea. Rev., 134, 675-698.

Hu, M., M. Xue, J. Gao and K. Brewster, 2006: 3DVAR and cloud analysis with WSR-88D Level-II data for the prediction of the Fort Worth tornadic thunderstorms. Part II: Impact of radial velocity analysis via 3DVAR. Mon. Wea. Rev., 134, 699-721

Dawson, D. T., II and M. Xue, 2006: Numerical forecasts of the 15-16 June 2002 Southern Plains severe MCS: Impact of mesoscale data and cloud analysis. Mon. Wea. Rev., 134, 1607-1629.

Sheng, C., S. Gao, and M. Xue, 2006: Short-term prediction of a heavy precipitation event by assimilating Chinese CINRAD radar reflectivity data using complex cloud analysis. Meteor. Atmos. Phy., In press.

Convective Initiation along Drylines

Xue, M. and W. Martin, 2006: A high-resolution modeling study of the 24 May 2002 case during IHOP. Part I: Numerical simulation and general evolution of the dryline and convection. Mon. Wea. Rev., 134, 149–171.

Xue, M. and W. Martin, 2006: A high-resolution modeling study of the 24 May 2002 case during IHOP. Part II: Horizontal convective rolls and convective initiation. Mon. Wea. Rev., 134, 172–191.

Varitonal Analysis of GSP Slant-path Water Vapor Data

Liu, H. and M. Xue, 2006: Retrieval of moisture from slant-path water vapor observations of a hypothetical GPS network using a three-dimensional variational scheme with anisotropic background error. Mon. Wea. Rev., 134, 933-949.

Liu, H., M. Xue, R. J. Purser, and D. F. Parrish, 2006: Retrieval of moisture from GPS slant-path water vapor observations using 3DVAR with isotropic and anisotropic recursive filters. Mon. Wea. Rev., Accepted.

Retrieval of Soil Model State Variables using 4DVAR Method

Ren, D. and M. Xue, 2005: 4DVAR assimilation of ground surface temperature for the estimation of state variables of a land surface model. J. Appl. Meteor., To be submitted.

Xue, M. and D. Ren, 2005: Estimation of soil model state through 4DVAR assimilation of near surface atmospheric measurements. J. Appl. Meteor., To be submitted.

Land Surface Model Improvement

Ren, D. and M. Xue , 2004: An improved force-restore model for land-surface modeling, J. App. Meteor., 43, 1768-1782.

Ren, D., M. Xue, and A. Henderson-Sellers , 2004: The effects of hydraulic lift in simulating superficial soil moisture for vegetated surfaces under dry conditions. J. Hydrometero., 5, 1181-1191.

Turbulence and Boundary Layer Modeling

Chow, F. K., R. L. Street, M. Xue, and J. H. Ferziger , 2005: Explicit filtering and reconstruction turbulence modeling for large-eddy simulation of neutral boundary layer flow. J. Atmos. Sci., 62, 2058-2077.

Chow, F. K., A. P. Weigel, R. L. Street, M. W. Rotach, and M. Xue, 2005: High-resolution large-eddy simulations of flow in a steep Alpine valley. Part I: Methodology, verification and sensitivity experiments. J. Appl. Meteor., Accepted.

Weigel, A. P., F. K. Chow, M. W. Rotach, R. L. Street, and M. Xue , 2005: High-resolution large-eddy simulations of flow in a steep Alpine valley. Part II: Flow structure and heat budgets. J. Appl. Meteor., Accepted.

Density current dynamics and simulations

Xu, Q., M. Xue, and K.K. Droegemeier, 1996: Numerical simulations of density currents in sheared environments within a vertically confined channel. J. Atmos. Sci. 53, 770-786.

Xue, M., Q. Xu, and K.K. Droegemeier, 1997: A Theoretical and numerical study of density currents in non-constant shear flows. J. Atmos. Sci., 54, 1998-2019.

Xue, M., 2000: Density currents in two-layer shear flows. Quart. J. Roy. Met. Soc., 126, 1301-1320.

Xue, M., 2002: Density currents in shear flows: Effects of rigid lid and cold-pool internal circulation, and application to squall line dynamics. Quart. J. Roy. Met. Soc., 128 , 47-74.

Lists to density current animations etc.

Dynamics of Long-lived Squall lines

Simulations of 2D squall lines in shear flows (work in progress)

Mesoscale and Convective Scale Simulation and Prediction Stuides

January 21-22, 1999 Arkansas Tornado Outbreak Case Study

Simulation and Prediction of March 28, 2000 Fort-Worth tornadic thunderstorms

Varitional Retrieval and Analysis of Doppler Radar Data

Gao, J., M. Xue, A. Shapiro, K.K. Droegemeier, 1999: A Variational Method for the Retrieval of Three-Dimensional Wind Fields from Dual-Doppler Radars. Mon. Wea. Rev., 127, 2128-2142.

Gao, J., M. Xue, A. Shapiro, Q. Xu, and K. K. Droegemeier, 2001: Three-dimensional simple adjoint velocity retrievals from single Doppler radar, J. Atm. Ocean Tech., 18, 26-38.

Gao, J.-D., M. Xue, K. Brewster, and K. K. Droegemeier , 2004: A three-dimensional variational data analysis method with recursive filter for Doppler radars. J. Atmos. Ocean. Tech., 21, 457-469.

Gao, J., K. Brewster, and M. Xue, 2006: A comparison of the radar ray path equations and approximations for use in radar data assimilation. Adv. Atmos. Sci., 32, 190-198.

Gao, J., M. Xue, S. Y. Lee, K. K. Droegemeier, and A. Shapiro, 2006: A three-dimensionl variational method for velocity retrievals from single-Doppler radar observations on supercell storms. Meteo. Atmos. Phys., In press.

Computational Fluid Dynamics and Numerical Techniques

Xue, M., 2000: High-order monotonic numerical diffusion and smoothing, Mon. Wea. Rev. 2853-2864.

Xue, M. and S.-J. Lin, 2000: Numerical equivalence of advection in flux and advective forms and quadratically conservative high-order advection schemes. Mon. Wea. Rev., 129, 561-565.

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