Severe Weather Outlook Get File

Severe Weather Outlook


Issued : 2:32pm Friday 3 Apr 2020, Valid from Sunday 5 April 2020 to Wednesday 8 April 2020

A ridge of high pressure covering New Zealand is expected to move slowly east during Sunday as a front approaches the South Island from the south Tasman Sea. This front is expected to move slowly east over the South Island during Monday and Tuesday, bringing rain to western areas and strong northerlies to Fiordland and western Southland.

There is a moderate confidence of warning amounts of rain in Fiordland and south Westland (south of the Glaciers) during Monday and Tuesday, and for the remainder of Westland on Tuesday where the confidence reduces to low on Wednesday. On Tuesday and early Wednesday, there is low confidence of warning amounts of rain about the ranges of Buller and Nelson also including the Richmond Range, Rai Valley and the Marlborough Sounds as indicated on the chart.

On Wednesday, t he front is forecast to move east across the North Island and at this stage there is low confidence of warning amounts of rain about the Tararua Range and Mount Taranaki.

In addition, there is low confidence of northerly gales becoming severe in exposed parts of Fiordland and western Southland on Sunday and Monday.

Probability/Confidance Map

Low confidence: a 20% likelihood (or 1 chance in 5) that the event will actually happen.
Moderate confidence: a 40% likelihood (or 2 chances in 5) that the event will actually happen.
Good confidence: a 60% likelihood (or 3 chances in 5) that the event will actually happen.

Image Valid Till Noon Sunday 5 Apr 2020
Be Advised:
Before making decisions based on this data
please see the information at metservice.com who are the providers of this data