Active trough replaced by a settled spell in most places

August 27, 2012

A fairly active trough is expected to clear most of New Zealand in the next 24 hours or so, followed by a gradual clearance from any lingering showers.

Media and communications meteorologist Daniel Corbett commented “This trough has good upper level support so should bring some active thunderstorms in places.”

These thunderstorms are likely from later today through to tomorrow morning especially over eastern parts of New Zealand with the risk of small hail.

The entire trough should shift away to the east of the country on Tuesday, allowing an anticyclone from the Tasman Sea to build across New Zealand from the middle of the week. However, a new trough may interrupt the influence of this anticyclone near the north of the North Island.

Corbett went on the say “The visiting anticyclone should bring a fine spell of weather to most places through the middle and later part of this week, with perhaps some overnight frosts. However, some rain may return to the far north of the North Island.”

Keep up to date with the latest forecasts and any watches/warnings at Metservice.com or on mobile devices at m.metservice.com. You can also follow our updates @metservice on Twitter or watch the latest severe weather video on MetService TV.

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

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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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