The Development of a Hybrid EnKF-3DVAR Algorithm for Storm-Scale Data Assimilation

Figure 2

Wind vectors: 𝑢-component increment by using (a) 3DVAR, (b) EnKF, and (c) hybrid 3DVAR-EnKF, 𝑤-component increment by using (d) 3DVAR, (e) EnKF, and (f) hybrid 3DVAR-EnKF, and potential temperature increment by using (g) 3DVAR, (h) EnKF, and (i) hybrid 3DVAR-EnKF by assimilating a single radial velocity at the black dot.

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