%0 Journal Article %T Four-Dimensional Variational Data Assimilation for WRF: Formulation and Preliminary Results %A Huang, Xiang-Yu %A Xiao, Qingnong %A Barker, Dale M. %A Zhang, Xin %A Michalakes, John %A Huang, Wei %A Henderson, Tom %A Bray, John %A Chen, Yongsheng %A Ma, Zaizhong %A Dudhia, Jimy %A Guo, Yongrun %A Zhang, Xiaoyan %A Won, Duk-Jin %A Lin, Hui-Chuan %A Kuo, Ying-Hwa %J Monthly Weather Review %V 137 %N 1 %P 299-314 %@ 1520-0493 %D 2008-02-28 %I American Meteorological Society %~ DeepDyve