An active week of westerlies

August 12, 2013

This week, a brisk westerly flow across New Zealand will keep weather systems coming, with wet weather likely in many western places.

“On Tuesday, there’s a fleeting settled spell before an active trough rattles across the country in the afternoon and evening,” commented MetService Media and Communications Meteorologist Dan Corbett. “In western parts of both islands, this trough may be accompanied by squally thunderstorms.”

“The influence of the westerlies doesn’t stop there” Corbett went on to say. “Western coasts of both islands will see moderate to heavy southwest swells for the next few days. Be careful when fishing off the rocks.” Meanwhile, eastern parts of both islands are expected to be largely dry over the next few days.

North Island ski fields will benefit from a top-up of fresh snow in the coming days, but any real cold air is still remaining well south of the New Zealand for the coming week.

Keep up to date with the latest forecasts and any watches/warnings at or on mobile devices at You can also follow our updates on MetService TV, @metservice on Twitter and at

For further information please contact:
Daniel Corbett Media and Communications Meteorologist (04)4700 754

MetService issues Warnings, Watches and Outlooks for severe weather over New Zealand.
Warnings are about taking action:
* When severe weather is imminent or is occurring
* Issued only when required
* Recommendation: ACT
Watches are about being alert:
* When severe weather is possible, but not sufficiently imminent or certain for a Warning to be issued
* Issued only when required
* Recommendation: BE READY
Outlooks are about looking ahead:
* To provide advance information on possible future Watches and/or Warnings
* Issued routinely once or twice a day
* Recommendation: PLAN

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