The plot below illustrates the small 5 to 10 hour lead or lag between stations as weather systems moved through the region. Consider the high pressure period on 10 September. The maximum pressure occurred at 08:55 for buoy 07950, 14:55 for buoy 07949, and 20:21 for buoy 07413. At 0900 on 10 September buoy 07949 (68.446 S, 71.139 W) and buoy 07950 ((69.172 S, 74.803  W) were approximately XXX kilometers apart.

Barometric pressure as recorded at three buoys from 8 - 17 September, 2001.