Fig 6. (a) Model cross section through Gabbs of potential temperature (K) and circulation vectors (kt; see text for detail) for the 3-km run valid at 1200 UTC 3 February 1998 (cross section as shown in Fig. 3, with A left and A' right). Model topography is shaded. The vertical coordinate is mb. (b) Same as (a) except valid at 1500 UTC. (c) same as (a) except valid at 1800 UTC.