Fuseworks Media

Wet and windy until Saturday, then mostly sunny for Waitangi Day

Covering period of Thursday 01 – Tuesday 06 February

The atmosphere is going to have a weekend like a festival-goer – wild on Friday and Saturday but worn out and sedate by Sunday. MetService is forecasting a strong cold front to reach the southwest tonight (Thursday) and move quickly across Aotearoa New Zealand on Friday and Saturday, before a ridge of high pressure arrives on Sunday.

MetService meteorologist Alain Baillie says, “The front will bring further heavy rain to the South Island’s West Coast. Orange Heavy Rain Warnings have been issued for the Westland, Grey and Buller Ranges during Friday, with Watches for western Tasman and the Nelson Lakes, and the headwaters of rivers in North Canterbury.”

“Keep an eye on the MetService Warnings page for updates as the situation unfolds.”, Alain says.

The western South Island received well above average rainfall in January; Milford Sound recorded 1006mm (average 647mm), Haast received 449mm (248mm) and Hokitika 359mm (212mm).

Baillie continues, “By Friday afternoon, northwesterly winds ahead of the front are forecast to reach severe gale in central areas of Aotearoa New Zealand, with gusts of 120 km/h in exposed parts of Wellington and Wairarapa.”

An Orange Strong Wind Warning for those areas runs from 1pm to 9pm on Friday, with a Watch for the Marlborough Sounds from noon to 7pm Friday.

“Saturday will be wet and windy across the country, but conditions should ease in the evening. These strong winds do bring the potential for some tricky driving conditions, especially on our exposed roads like the Auckland Harbour Bridge, so are worth factoring in for your travel plans over the weekend. They also bring the possibility for large waves along the western coastlines of the North and South Island.”

“Saturday will also be quite cool for the time of year, with maximum temperatures in the mid-to-high teens in Otago and Southland, 4 to 6 degrees Celsius below average. Taumarunui and Taupō are forecast to reach only 17°C, 6 to 8°C below average.”

By Sunday the front will have cleared to the east and a large area of high pressure begins to dominate our weather into next week. Hot conditions return to the eastern South Island on Monday, with Blenheim and Ashburton expected to reach 32°C and Christchurch 30°C.

Sneaking a peek at Waitangi Day, Alain says, “It should be fine and warm for most New Zealanders – hot again for Marlborough and Canterbury. However, those south of Dunedin should prepare for a damp Waitangi Day.”

For media enquiries or to arrange an interview with one of our meteorologists please call 04 4700 848 or email metcomms@metservice.com

Understanding MetService Severe Weather Warning System

Severe Thunderstorm Warnings (Localised Red Warning) – take cover now:

  • This warning is a red warning for a localised area.
  • When extremely severe weather is occurring or will do within the hour.
  • Severe thunderstorms have the ability to have significant impacts for an area indicated in the warning.
  • In the event of a Severe Thunderstorm Red Warning: Act now!

Red Warnings are about taking immediate action:

  • When extremely severe weather is imminent or is occurring
  • Issued when an event is expected to be among the worst that we get – it will have significant impact and it is possible that a lot of people will be affected
  • In the event of a Red Warning: Act now!

Orange Warnings are about taking action:

  • When severe weather is imminent or is occurring
  • Typically issued 1 – 3 days in advance of potential severe weather
  • In the event of an Orange Warning: Take action.

Thunderstorm Watch means thunderstorms are possible, be alert and consider action

  • Show the area that thunderstorms are most likely to occur during the validity period.
  • Although thunderstorms are often localised, the whole area is on watch as it is difficult to know exactly where the severe thunderstorm will occur within the mapped area.
  • During a thunderstorm Watch: Stay alert and take action if necessary.

Watches are about being alert:

  • When severe weather is possible, but not sufficiently imminent or certain for a warning to be issued
  • Typically issued 1 – 3 days in advance of potential severe weather.
  • During a Watch: Stay alert

Outlooks are about looking ahead:

  • To provide advanced information on possible future Watches and/or Warnings
  • Issued routinely once or twice a day
  • Recommendation: Plan

To get the most up to date information on severe weather around the country, or any other forecasts, see metservice.com or download the MetService mobile app

 

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