Soaring Conditions

Mountain Lee Wave, Alpine Convergences, Mountain
Thermals and Ridge Running

New Zealand’s two main islands are about the
same size and dimensions as California. They are mountainous and
fortuitously placed across the prevailing westerly winds.
Soarable energy is formed by mountain
thermals, wind blown ridges, valley convergences, sea breezes,
frontal systems and of course the mighty Nor'west Wave. Typically
at least two of these weather phenomena will dominate any one
soaring flight. Sometimes all will be encountered in the course of
a single day.

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