Twentieth Century Winter Changes in Southern Hemisphere Synoptic Weather Modes

Figure 2

Difference between (1997–2006) and (1949–68) basic states of vertical cross-section of July zonal wind (ms⁻¹) averaged between 110° and 160°E as a function of latitude and pressure (in hPa) (a), 300 hPa July zonal wind (ms⁻¹) (b) and 700 hPa July zonal wind (ms⁻¹) (c).

(a)

(b)

(c)