Reconstruct the Mesoscale Information of Typhoon with BDA Method Combined with AMSU-A Data Assimilation Method

Figure 2

The initial horizontal vorticity fields (*1.𝑒+5) on 300 hPa ((a) Scheme 1, (c) Scheme 2, (e) Scheme 3; s^-1) and vertical vorticity fields and wind fields (w*200) cross the center of typhoon along the zonal direction ((b) Scheme 1, (d) Scheme 2, (f) Scheme 3; s^-1) simulated by various experiments.

(a)

(b)

(c)

(d)

(e)

(f)