353829.fig.004a
(a)
353829.fig.004b
(b)
353829.fig.004c
(c)
353829.fig.004d
(d)
Figure 4: Shown in arbitrary units are the upper-level streamfunction (a), the RPEA of the upper-level streamfunction (b), the upper-level divergence (c), and the RPEA of the upper-level divergence (d) for mode 12, the fastest growing SH storm track mode for the July 1997–2006 basic state.