First hint of winter

April 28, 2012

The first noticeably cold south-westerly outbreak of the year is expected to arrive over southern New Zealand later on Sunday and spread across much of the South Island on Monday.

“This will be the first decent shot of cold air out of the Southern Ocean for some months,” commented MetService Media and Communications Meteorologist Daniel Corbett. “It will be quite a dramatic temperature change after the active front moves through. The extra warm layers will come in handy from Southland up to the rest of the South Island on Monday.”

At this stage, the places most likely to experience the windiest,coldest and most showery conditions are Fiordland, Southland and Otago. In these places, snow may fall to a few hundred metres above sea level. Strong to gale force south-westerly winds will bring blustery showers and a severe wind chill. “Farmers may wish to consider sheltering vulnerable stock,” Corbett went on to say.

“The good thing about this cold outbreak is that it’s over fairly quickly,” said Corbett. “The southwest winds over the country should die away during Tuesday, which means frosts are likely that night.”

More settled and less cold air will spread in by midweek.

Stay up to date with the latest MetService forecasts and warnings on metservice.com or for mobile devices at m.metservice.com or on our iPad app. You can also follow @MetService updates on Twitter or watch our latest videos 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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