Hakuba Now daily snow and weather - Sunday 7th February 2010

Hakuba Now (Archive Report)

Independent and trustworthy daily snow and weather reports from Hakuba & Otari region, Japan
ARCHIVE REPORT: Posted at 11:36am on Sunday 7th February 2010
Current weather conditions
Observed fresh snowfall AT BASE
weather condition
Sunny (partly cloudy)
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Top temp:
Precipitation Wind Visibility
precipitation condition
wind condition
moderate W / NW
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Sunday 7th February 2010, 11:36am
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Archive report: Posted at 11:36am on Sunday 7th February 2010
The latest Hakuba Now report can be found here

A great morning with the blue skies and sunshine coming through here in Hakuba. It is going to be a classic powder day out there with accumulations up to approximately 40 cm here in the valley over the past few days.

All resorts will have fantastic conditions today, powder packed powder, and soft groomers.

The forecast is calling for partly cloudy skies and some sun as well for tomorrow. Get out there and enjoy it!

Avalanche info (as yesterday):

Due to heavy snowfall in the past few days and recent overnight winds the Hakuba mountains are growing more unstable by the hour. Temperatures are cooling and winds at ridge top are Strong to Extreme from the North West hence intense loading on lee slopes as well as cross loading occurring. Increased snow loading adding stress to weak layer at 100128 MFcr (Melt-freeze crust). Probable laminate wind slabs in HST (storm snow) resulting in surface avalanches as well as possible deep slabs sliding on the Melt-freeze crust.

Avalanche activity:

100205, 1245, 1800m, NE aspect Happo; Ochikura, 35 degree slope angle, SB (snowboard) triggered Slab, size 2.5 avalanche, 80cm - 150cm Crown, 50 m propagation, 200m length, MFcr bed surface

Multiple Natural Slab avalanches, size 2 - 3, N & NE aspects in Happo Alpine and treeline area.

Travel Advisory;

Travel not recommended at tree line and above due to High avalanche risk because of High winds and heavy snowfall adding rapid loading on weak buried MFcr (all aspects), creation of cornices and intense wind loading on lee slopes (S & SE aspect). Stay Below treeline on low angle slopes / simple terrain. However; Slope angles less than 30 degrees will be difficult to navigate due to deep snow and therefore travel will be slow and time exposed to possible hazards will increase. Caution is needed in these deep snow areas as if you fall you may not be able to get yourself out especially terrain trap areas like deep gullies and tree wells. Due caution on windward aspects due to creation of wind slab.

It is advisable to enjoy the great powder snow in bounds and stay out of ‘Out Of Bounds’ areas and the back country all together.

Avalanche Hazard:

Alpine: High
Tree Line: High
Below Tree Line: Considerable

Official resort snow depths on 7th Feb 10:

140cm (Shirakaba)
160cm (Sakka/Kitaone)
340cm (Kurobishi/Usagidaira)
Hakuba Goryu:
175cm (Iimori)
190cm (Toomi)
385cm (Alps daira)
Hakuba 47:
Tsugaike Kogen:
200cm (Kanenonaruoka)
215cm (Maruyama)
400cm (Tsuganomori)
Hakuba Iwatake:
180cm (Shomen)
280cm (Sancho)
Sun Alpina Sanosaka:
Hakuba Minekata:

Archive report: Posted at 11:36am on Sunday 7th February 2010
The latest Hakuba Now report can be found here

Hakuba Now ski lift operation notes:

Please see main report for details.

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