Kōrero: West Coast region

Rainfall across the Southern Alps

Rainfall across the Southern Alps

This cross-section shows the enormous variation in annual rainfall across the Southern Alps. The highest rainfall – over 10 metres – occurs in a narrow band where the prevailing westerly winds force moist air from the Tasman Sea over the mountains. As the damp air rises it cools, and drops most of its moisture as rain.

Te whakamahi i tēnei tūemi

Private collection
Graphic by Trevor Chinn

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Source: Trevor Chinn, ‘How wet is the wettest of the wet West Coast?’ New Zealand Alpine Journal 32 (1978): 86

Ngā whakaahua me ngā rauemi katoa o tēnei kōrero

Te tuhi tohutoro mō tēnei whārangi:

Simon Nathan, 'West Coast region - Climate and wildlife', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/graph/21060/rainfall-across-the-southern-alps (accessed 9 December 2019)

He kōrero nā Simon Nathan, updated 7 Sep 2016