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Snow Flurries

Snow Flurries

Snow Flurries

Snow and Rain

Snow: 9.8 cm Snow: 0.0 cm Snow: 0.0 cm Snow: 0.1 cm Snow: 0.9 cm Snow: 0.2 cm Snow: 2.0 cm
Snow: cm
Temp: °C
Freezing Level: m
Rain: mm
Wind: km/h
Wind: km/h
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Mt Ruapehu Detailed Forecast

The Mountainwatch Detailed Forecast is provided by our resident meteorology sensei "The Grasshopper". The Ruapehu analysis is issued around 7:30am 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 25 June 2017

Conditions Summary:
We have partly cloudy skies, moderate north-westerly winds and temperatures around freezing.

Synoptic Outlook:
A weak cold front draped over the South Island this morning is heading for Ruapehu. It’ll pay us a visit this afternoon giving us a rain/snow mix. Moderate north-westerly winds will swing around to the south-west this afternoon in the fronts wake. Amounts won’t be huge from this system, we can expect 10cm of wet snow above 1700m and 8-15mm of rain on the lower slopes.

A high will build in from the west overnight meaning it’ll be a sunny but cold day tomorrow. Tuesday will also start mostly fine under the high. However, it will become partly cloudy in the afternoon with a few flurries as a low starts to develop to the east. The low to the east will continue to influence the weather on Wednesday with moderate easterly winds pushing in some cloud and the occasional light snow shower or flurry down to 1500m.

Image of the day:

You might just about be able to make out the band of thicker cloud just to the west of the North Island which will bring us showers this afternoon. Source:: BOM (vandalised by the Grasshopper)

Sunday 25 June:
Overcast. Showers developing this afternoon. 10cm of snow above 1700m, 8-15mm of rain on the lowest slopes. Moderate north-westerlies turning south-westerly this afternoon.

Monday 26 June:
Sunny. Moderate southerly winds.

Tuesday 27 June:
A clear start. Moderate north-easterly winds developing in the afternoon when it’ll become partly cloudy with a few flurries.

Wednesday 28:
Moderate easterly winds. Partly cloudy with a few flurries.

Extended Outlook:
There is some model disagreement in the extended outlook but I can say with moderate confidence that rain (15-30mm) is likely from Friday into Saturday as a low in the Tasman throws a front our way. There is uncertainty in the future track of the low thereafter. At this point the most likely outcome is that the low tracks across the North Island and winds swing around to the south/south-east pushing in colder air and giving us some light snow (10-20cm) for Sunday and Monday.

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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