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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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6:40am Friday 1 August 2014

Conditions Summary:
Windy as poo for Canterbury again today, but not quite bad enough to shut down the Southern Lakes fields, that have seen a mix of rain down low and snow up high over the last 24 hours.

Synoptic Outlook:
Strong north-westerlies and patchy rain continues today, falling as snow above 1900m, then the rain gets really heavy up to 2200m tomorrow morning, especially for those close to the divide. By midday we’ll see that rain clearing to the south and a southerly in behind should be worth about 5cm for the Southern Lakes and 10 to 20cm for Canterbury by midday on Sunday.

Monday looks mostly fine, but the extended outlook continues to look good.

Image of the day:

The rain is going to get really heavy ahead of that cold front tomorrow morning. Source: NZ MetService and BOM (vandalised by the Grasshopper)

Friday 1 August:
Crazy windy, a little rain, falling as snow above 2000m.

Saturday 2 August:
Heavy rain during the morning. Tending to snow showers afternoon with a south-west change evening. 5cm for the Southern Lakes.

Sunday 3 August:
Southerlies and snow showers. 10 to 20cm for Canterbury.

Monday 4 August:
Mostly fine.

Extended Outlook:
Another bout of strong westerlies is likely from Tuesday, and this one is a bit colder so it should be especially good for the Southern Lakes, where we could see four or five consecutive days of accumulations around 5 to 10cm. Canterbury should see a little love too. Keep a close eye on this one.

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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