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Snow Flurries


Snow Flurries


Snow: 5.0 cm Snow: 4.0 cm Snow: 0.0 cm Snow: 0.3 cm Snow: 6.4 cm Snow: 1.8 cm Snow: 0.0 cm
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Temp: °C
Freezing Level: m
Rain: mm
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Wind: km/h
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South Island Detailed Forecast

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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7:00am Sunday 31 July 2016

Conditions Summary:
We have sunny skies and moderate winds at Mt. Hutt. It is cloudier in Wanaka and The Southern Lakes with snow showers on and off (to 400m) driven in on strong south-westerly winds. Put on all the layers you can today. The temp is currently between -5 and -7c with a wind-chill of -15 to -20c.

Synoptic Outlook:
You will need to wrap up extra warm today as it’ll be very cold with strong winds between a high to the north-west and a departed low to the south-east. It will be mostly sunny in Canterbury with snow showers into Otago driven in on that brisk wind. They will tend to clear in the afternoon as a ridge of high pressure builds in.

The track of tomorrows low has changed slightly. It is increasingly likely that it’ll move up the west coast before heading for the North Island. A few light snow showers will clear in the afternoon in Otago, Eastern Canterbury has better chances for snow, with 10-20cm probable. Slip on the sunglasses and slap on the sunscreen on Tuesday as it’ll be mostly sunny under a high. Winds will begin to strengthen from the east on Wednesday with high cloud moving in as a low looms in the Tasman. Snow could start developing overnight in Eastern Canterbury.

Image Of The Day:

It is bone chillingly cold on an Antarctic origin south-westerly flow between a low to the east and a high to the north-west. Source:: BOM (vandalised by the Grasshopper)

Sunday 31 July:
Mostly sunny in Canterbury. Snow showers continuing through the morning in Otago giving 2-5cm in places. Strong south-westerly winds.

Monday 1 August:
Strong to gale force winds. A few midday snow showers in Otago. More persistent snow will give 10-20cm in Eastern Canterbury through the afternoon.

Tuesday 2 August:
Mostly sunny. Light winds.

Wednesday 3 August:
Increasing cloud. Moderate easterly winds. Snow developing overnight 5-10cm.

Extended Outlook:
High pressure will try to build in from the south-east on Friday. This will drive in much colder south-easterlies. Snow is possible, especially in Eastern Canterbury where a further 5-10 cm could fall with lesser amounts elsewhere. The cold Antarctic air in association with the high should give the South Island a cold but mostly fine weekend with plenty of snowmaking.

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

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