9) WEATHER

The party experienced "good" weather for most of the trip. During this time several patterns emerged which greatly aided daily planning.

Fine weather with easterlies or northerlies was almost invariably followed by cloud (usually stor sc at about 8000′) very light snow and gentle breezes.

Clear skies with fresh to strong southerlies v/ere the norm. These conditions may continue for days with out significant change.

page break

Low level clouds were observed on several occasions lying along the Mawson and lower Odell Glacier but these had little or no effect on the weather experienced at Allan Hills.

On most days sc and st built up durring the afternoon and evening over the higher parts of the Convoy Range. While this near daily pattern had little or no effect on field work at Allan Hills it can make helo operations difficult.

In general morning weather was better, and the Convoy Range clear.