Email: huangx@ucar.edu
Phone: 303-497-8975
Postal Address: P.O. Box 3000, Boulder, CO, 80307-3000
Shipping Address: 3450 Mitchell Lane, Boulder, CO, 80307-3000

Professional Interests

Data assimilation techniques. Observing systems. Initialization and noise control for NWP systems. Numerical methods. Moist convection and cloud parameterization.

Recent publications

Huang, X.-Y., Gao, F., Jacobs, N. and Wang, H. 2013. Assimilation of wind speed and direction observations: a new formulation and results from idealized experiments. Tellus A, in press.

Wang, H., Sun, J., Zhang, X., Huang, X.-Y. and Auligne, T. 2013. Radar data assimilation with WRF 4D-Var: Part I. System development and preliminary testing. Mon. Wea. Rev., in press.

Wang, H., Sun, J., Fan, S. and Huang, X.-Y. 2013. Indirect assimilation of radar reflectivity with WRF 3D-Var and its impact on prediction of four summertime convective events. J. Appl. Meteor. Climatol., in press.

Gao, F., Zhang, X., Jacobs, N., Huang, X.-Y., Zhang, Xin, Childs, P. 2012. Estimation of TAMDAR Observational Error and Assimilation Experiments. Weather and Forecasting, Vol. 27, No. 4, 856-877.

Barker, D., Huang, X.-Y., Liu, Z., Auligne, T., Zhang, Xin, Rugg, S., Ajjaji, R., Bourgeois, A., Bray, J., Chen, Y., Demirtas, M., Guo, Y.-R., Henderson, T., Huang, W., Lin, H.-C., Michalakes, J., Rizvi, S., Zhang, Xiaoyan, 2012. The Weather Research and Forecasting (WRF) Model's Community Variational/Ensemble Data Assimilation System: WRFDA. Bull. Amer. Meteor. Soc., 93, 831-843.

Wang, H. and Huang, X.-Y. 2012. TAMDAR Observation Assimilation in WRF 3D-Var and its Impact on Hurricane Ike (2008) Forecast. Atmospheric and Oceanic Science Letters., VOL. 5, NO. 3, 206-211.

Chen, M., Huang, X.-Y., Wang, W. 2012. Difficulties in the implementation of the digital filter initialization in a high resolution numerical weather forecast model. Acta Meteorologica Sinica, 70(1), 109-118.

Schwartz, C.S., Liu, Z., Chen, Y. and Huang, X.-Y. 2012. Impact of assimilating microwave radiances with a limited-area ensemble data assimilation system on forecasts of typhoon Morakot. Weather and Forecasting, 27, 424-437.

Gustafsson, N., Huang, X.-Y., Yang, X., Mogensen, K.S., Lindskog, M., Vignes, O., Wilhelmsson, T., Thorsteinsson, S. 2012. Four-dimensional variational data assimilation for a limited area model. Tellus A , 64, 14985, DOI: 10.3402/tellusa.v64i0.14985.

Wang, H., Mu, M., Huang, X.-Y. 2011. Application of Conditional Nonlinear Optimal Perturbation to Tropical Cyclone Adaptive Observation using the Weather Research Forecasting (WRF) model. Tellus A, 63, 939-957.

Zhang, M., Zhang, F., Huang, X.-Y. and Zhang, X. 2011. Inter-comparison of an ensemble Kalman filter with three- and four-dimensional variational data assimilation methods in a limited-area model over the month of June 2003. Mon. Wea. Rev., 139, 566-572.

Lynch, P. and Huang, X.-Y. 2010. Initialization. Chapter 9, in Data Assimilation: Making sense of observations , eds. W. Lahoz, B. Khattatov and R. Menard, Springer. ISBN: 978-3-540-74702-4.

Huang, X.-Y., Xiao, Q., Barker, D.M., Zhang, Xin, Michalakes, J., Huang, W.,Henderson, T., Bray, J., Chen, Y., Ma, Z., Dudhia, J., Guo, Y.-R., Zhang, Xiaoyan, Won, D.-J., Lin, H.-C., Kuo, Y.-H. 2009. Four-Dimensional Variational Data Assimilation for WRF: Formulation and Preliminary Results. Mon. Wea. Rev., 137, 299-314.

Xiao, Q., Kuo, Y., Ma, Z., Huang, W., Huang, X., Zhang, X., Barker, D. M., Michalakes, J., 2008. Development of the WRF adjoint modeling system and its application to the investigation of the May 2004 McMurdo Antarctica severe wind event. Mon. Wea. Rev., 136, 3696-3713.

Chen, M. and Huang, X.-Y. 2006. Digital Filter Initialization for MM5. Mon. Wea. Rev., 134, 1222-1236.


click for larger image