Hakuba Now daily snow and weather - Tuesday 17th February 2009

Hakuba Now (Archive Report)

Independent and trustworthy daily snow and weather reports from Hakuba (Nagano), Japan
ARCHIVE REPORT: Posted at 10:25am on Tuesday 17th February 2009
Current weather conditions
Observed fresh snowfall
weather condition
Blue skies to the East, some cloud over the Alps and some light snow at altitude.
Base temp:
0°C

Top temp:
0°C
Precipitation Wind Visibility
precipitation condition
-
wind condition
Light from the W
Good
This report
Tuesday 17th February 2009, 10:25am
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Monday 16th February 2009, 9:13am ---
Sunday 15th February 2009, 10:47am ---
Saturday 14th February 2009, 9:09am ---
Friday 13th February 2009, 10:11am ---
Thursday 12th February 2009, 9:32am ---
Wednesday 11th February 2009, 10:50am ---
Last 7 reports (total): ---
Last 14 reports (total): ---
Current month (February 2009) total: ---
season so far total: ---

Archive report: Posted at 10:25am on Tuesday 17th February 2009
The latest Hakuba Now report can be found here

Not as much of it as I hoped for but the sight of fresh dry powder in the morning should be enough to stave off the depression left over from yesterday. We had some powder yesterday morning for sure with around 15cms of fresh top spray around but the state of the piste was miserable to say the least and had more than one person calling it the worst day ever experienced.

Snow started falling yesterday afternoon and enough fell for some nice straight powder lines this morning. Some big winds last night meant that the wind-blown stash-pockets are the goods today...enjoy the fresh stuff; don't put in any too hard turns and you wouldn't even know how crap it was underneath. This snow is a good start to sorting out the state of the runs.

Cold temperatures overnight with -11 measured at 6 AM at Goryu's top and still in the minuses now...good to have a temperature drop, trees even at the top of the runs had the beginnings of buds on them...hopefully this shakes those off and puts the bears back to sleep...

SNOW STABILITY INFORMATION (AS AT MONDAY 16TH):

The freezing level has come down to the valley now and snow is falling gently after continued rain and wind last night up to 1200 m before this mornings cooling. Snow flurries are forecast through the week and as snow amounts build over top of the Feb 15th rain crust the stability of the new snow will decrease as new snow depth increases. There was 15 cm of new snow reported over night at 1500 m at Goryu Alps Daira. High probability of human triggered avalanches at the new snow / rain crust interface. Expect naturals with increased snow fall.

Stability Tests:

Feb 12th
12:00 North East Aspect @ 2000 m @ Happo Ike. Air Temp -4‚ Sunny skies
CTE(4‚5)SC down 25cm on Facets/Buried Surface Hoar over crust

11:30 North East Aspect at 1900 m @ Hiyodori mine. Air Temp -2‚ sunny with some broken localized cloud.
CTM(12‚14)RP down 20cm on New and Decomposing snow

Travel Advisory:

Travel in unsupported steep terrain with the 15 cm of new snow on top of the rain crust should be avoided until bonding of the new and old snow layers takes place. Areas below tree may still not have had time to cool after the rain and warm weather and therefore the crust may not have developed and any new snow will fall over the present wet isothermal snow pack. With this in mind it is still possible that weak layers with in the wet snow may produce a wet slide when with warm temperatures or solar radiation. Slides within the new snow once snow amounts increase is also a concern.

Avalanche Hazard Rating:

Below Tree Line: Considerable
Tree Line: Considerable
Alpine: Considerable trending to Poor with added snow and wind at elevations above freezing level.

Rapid air temperature decrease
Cornice fall
Increase in loose snow avalanches and sluffs
Development of cornices in lee slopes
Lee side loading
Windward scouring of ridges and rock out-crops creating uneven loading of slopes
Due caution on cross loaded slopes
Poor bonding at or around buried crust
Due caution in steep and convex terrain

Danger level 4 : High

Natural and human triggered avalanches likely.
Danger level ratings are set for conditions at tree line and may vary from below tree line and High Alpine areas.
Use this information as a guideline only.

Official resort snow depths on 17th Feb 09:
Happo-one:
45cm (Shirakaba)
60cm (Sakka/Kitaone)
215cm (Kurobishi/Usagidaira)
Hakuba Goryu:
105cm (Iimori)
105cm (Toomi)
205cm (Alps daira)
Hakuba 47:
99cm (updated 16th)
Tsugaike Kogen:
110cm (Kanenonaruoka)
120cm (Maruyama)
230cm (Tsuganomori)
Hakuba Iwatake:
50cm (Shomen)
120cm (Sancho)
Sun Alpina Sanosaka:
70cm
Hakuba Minekata:
30cm
Hakuba Highland:
35cm

Nighta tonight is scheduled at:

Hakuba Goryu (Toomi);
Happo-one (Nakiyama);
Hakuba Cortina Kokusai (Ikenoda)

Archive report: Posted at 10:25am on Tuesday 17th February 2009
The latest Hakuba Now report can be found here

Hakuba Now ski lift operation notes:

All resorts are open...check with resorts for details.

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Tuesday 17th February 2009
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