Hakuba Now daily snow and weather - Saturday 6th February 2010

Hakuba Now (Archive Report)

Independent and trustworthy daily snow and weather reports from Hakuba (Nagano), Japan
ARCHIVE REPORT: Posted at 9:45am on Saturday 6th February 2010
Current weather conditions
Observed fresh snowfall
weather condition
Overcast with heavy blowing snow
Base temp:

Top temp:
Precipitation Wind Visibility
precipitation condition
wind condition
High W / NW
limited above 1500m due to snow
This report
Saturday 6th February 2010, 9:45am
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Archive report: Posted at 9:45am on Saturday 6th February 2010
The latest Hakuba Now report can be found here

It is snowing heavily and the wind is blowing pretty hard in Hakuba this morning. A full on blizzard with high gusty winds and lots of snow transport should be expected on all resorts today. Approximately 15-20 cms of new snow overnight and more snow flurries are supposed to continue until tomorrow morning. It was -19 C on the top of Happo One today, so dress warm and be wary of frost bite, especially with the high winds.

Many resorts with exposed lifts on ridges or gondolas will most likely be shut periodically today due to the high winds. As well the visibility above 1500m will be more obscured and limited, might be better to play in the powder in the lower trees today.

Conditions on the resorts in Hakuba today will be powder, chopped powder and groomers (with some fresh on them). Keep warm and enjoy the cold winter storms that mother nature is throwing at us, yippee!

Avalanche info:

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 6th Feb 10:

130cm (Shirakaba)
150cm (Sakka/Kitaone)
340cm (Kurobishi/Usagidaira)
Hakuba Goryu:
165cm (Iimori)
180cm (Toomi)
360cm (Alps daira)
Hakuba 47:
Tsugaike Kogen:
200cm (Kanenonaruoka)
160cm (Maruyama)
380cm (Tsuganomori)
Hakuba Iwatake:
180cm (Shomen)
280cm (Sancho)
Sun Alpina Sanosaka:
Hakuba Minekata:

Archive report: Posted at 9:45am on Saturday 6th 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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