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Severe Weather Watch

Issued by MetService at 9:05am Friday 17-Aug-2018

Snow about the Canterbury High Country Friday evening and early Saturday

A broad trough is expected to move slowly northeast over the South Island today, with rain and southerlies spreading over eastern areas this afternoon and evening (Friday). Rain is expected to fall as snow to 500 metres about eastern parts of the South Island, with more significant accumulations expected above 8 to 900 metres about the Canterbury High Country and a Watch is now in force.

People are advised to keep up to date with the latest forecasts in case this Watch is upgraded to a full warning, or further areas are added.

Note, the heavy rain Watch has been lifted for Buller, northwest Nelson, the Tararua Range, Mt Taranaki, Tongariro National Park and the hill country from Taranaki to Lake Taupo, including Waitomo and the headwaters of the Whanganui River.

Heavy Snow Watch

Area: Canterbury High Country
Valid: 16 hours from 2:00pm Friday to 6:00am Saturday
Forecast: Snow is expected to lower to 500 metres this afternoon and evening. Significant accumulations are likely above 800 to 900 metres, but with lesser amounts to 500 metres. Although significant accumulations at these levels do not meet snow warning criteria, a Watch has been issued as high country users and high level roads (including Burkes Pass) are expected to be impacted.

Watches no longer in force

Heavy rain watch lifted for: Mt Taranaki, Tongariro National Park and the hill country from Taranaki to Lake Taupo, including Waitomo and the headwaters of the Whanganui River: Showers continue today, with isolated heavy falls. However, rainfall accumulations are not expected to reach warning criteria and the Watch has been lifted.

Heavy rain watch lifted for: Tararua Range: Showers continue today, but rainfall accumulations are not expected to exceed warning amounts and the Watch has been lifted.

Heavy rain watch lifted for: Ranges of Buller and northwest Nelson west of Takaka: Showers continue through the region today, but rainfall accumulations are no longer expected to reach warning amounts and the Watch has been lifted.


This watch will be updated by: 9:00pm Friday 17-Aug-2018

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(C) Copyright Meteorological Service of New Zealand Ltd 2018