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...Why you might want to dig a snowcave. Southerly on the Mt Hooker trip. Southerlies are cold and can bring snow to low areas on the East Coast of the South Island. They are generally short and sharp. The aftermath of the front can bring good conditions for climbing albeit cold. The West Coast is often bathing in sunshine during a mild Southerly. The change from Norwest conditions to a Southerly can be extremely rapid resulting in temperature swings from comfortable teens C to sub zero within an hour. The change from Southerly back to Norwest is generally slower (except on the Hooker trip). In my experience I tend to look forward to Southerlies, while Norwesters are generally bad news. |
