(a)	(b)
(c)	(d)
Figure 8. Vertical profile of Brunt Vaisala frequency (10^-2s^-1) on 4 January at (a) 0000 UTC, (b) 0600 UTC, (c) 1200 UTC, (d) 1800 UTC. Height is pressure (mb). Output is from the Eta model run of 1200 UTC 3 Jan.