Severe weather to be followed by frosts

July 7, 2016

A complex low pressure system over the Tasman Sea is poised to lash northern and central parts of the country today and Friday, before moving away to the east over the weekend and making way for a calming ridge of high pressure.

MetService has issued Severe Weather Warnings and Watches for heavy rain and southeast gales, which are likely to affect northern and central parts of New Zealand.  MetService Meteorologist Peter Little commented, “Some wild weather is likely to affect northern and central parts of the country through to Saturday, so people should check forecasts and Severe Weather information before planning outdoor activities.  In addition, large waves are expected to pound eastern coasts of the North Island over the weekend, so those planning to be on or near the water need to take extra care.”

Temperatures are expected to take a dive on Friday as cooler air pushes over the country from the south.  “A period of snow is likely about the ranges from Marlborough to Hawke’s Bay. Although this is good news for the snow base at the ski fields, travelers planning on using higher roads such as the Desert Road may be affected for a time by snow and strong winds,” added Mr Little.

As the low moves away to the east over the weekend, a ridge of high pressure builds over the South Island.  “Skies clear and winds ease as the ridge builds, with frosty mornings likely across the South Island,” said Mr Little.  The weather gradually clears over the North Island by the beginning of next week, with frosts also likely about inland places.

 
Official Severe Weather Watches and Warnings are reviewed and re-issued by MetService at least every twelve hours, and more often if necessary. To get the most up to date information on severe weather around the country, or any other forecasts, see metservice.com or on mobile devices at m.metservice.com. You can also follow our updates on MetService TV, at MetService New Zealand on Facebook, @metservice and @MetServiceWARN on Twitter and at blog.metservice.com 

 

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. They are 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. They are issued only when required.
Recommendation: BE READY 

Outlooks are about looking ahead, providing advance information on possible future Watches and/or Warnings. They are issued routinely once or twice a day.
Recommendation: PLAN 

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