(a)
me
20~4,
20
20.
1
—=
Vl S25
(b)
Fig. 3—-Isotachs (thin solid lines, mps) on the 300°K isentropic surface
at 00 and 12 GCT on Nov, 22, 1962. Numerical values of speeds are
plotted next to stations. Heavy solid lines with arrows indicate jet
axes. Regions with speeds more than 35 mps and less than 10 mps are
Shaded differently.