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South Island Detailed Forecast

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The Mountainwatch Detailed Forecast is provided by our resident meteorology sensei "The Grasshopper". The South Island analysis is issued around 7am every morning (maybe later on weekends) and is intended to provide an additional human element to the automated forecast data provided above. Sometimes we won't agree exactly with the model data - but if we ever call something significantly different we'll do our best to explain why.

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8:00am Sunday 31 August 2014

Conditions Summary:
Fine again! There’s some cloud and drizzle about the Canterbury plains, banking up into the ranges, but you should be able to reach above it to sunshine and blue skies.

Synoptic Outlook:
That high is still sitting to our east while an area of low pressure moves slowly across the upper North Island, meaning the situation over the next three days is virtually stagnant. North-easterlies will push mucky cloud and drizzle into north-eastern parts of Canterbury, but otherwise it will be mostly fine, and even where there is cloud, there’s a good chance you can get above it.

By late Tuesday we may finally start to see north-westerlies ahead of a front from the Tasman, but it should remain mostly fine. On Wednesday there’s potential for the odd shower, but it looks mostly fine as well as the high pressure to the east holds that front away.

Image of the day:

The high may push in a little low cloud and drizzle into Canterbury over the next two days, but you should be able to get up above it. Source: NZ MetService and BOM (vandalised by the Grasshopper)

Sunday 31 August:
A little low cloud and drizzle possible for eastern parts of Canterbury. Otherwise fine.

Monday 1 September:
A little low cloud and drizzle possible for eastern parts of Canterbury. Otherwise fine.

Tuesday 2 September:
Fine. North-westerlies build late.

Wednesday 3 September:
Probably fine, as a front struggles to make headway against the high.

Extended Outlook:
Hold the phone. It’s starting to look like we might avoid the rainy part of a weather system next week, and head straight into a southerly change on Thursday or Friday with some modest snow potential. That could set up a really great weekend.

That's all from the Grasshopper. Wanna keep your finger on the pulse of all things snow? Join my new weekly email list by filling in the box above. If you have a question or feedback for me hit me up at grasshoppermw@gmail.com, on my facebook page, twitter, or join in the Facebook discussion below.

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