Niseko Now daily snow and weather - Sunday 21st February 2010

Niseko Now (Archive Report)

Independent and trustworthy daily snow and weather reports from Niseko region, Japan
ARCHIVE REPORT: Posted at 4:51pm on Sunday 21st February 2010
Current weather conditions
Observed fresh snowfall
weather condition
Partly cloudy
Base temp:
0°C

Top temp:
0°C
Precipitation Wind Visibility
precipitation condition
-
wind condition
Light to moderate
Excellent
This report
Sunday 21st February 2010, 4:51pm
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Saturday 20th February 2010, 10:17am ---
Friday 19th February 2010, 10:09am ---
Thursday 18th February 2010, 10:17am ---
Wednesday 17th February 2010, 10:00am ---
Tuesday 16th February 2010, 10:02am ---
Monday 15th February 2010, 14:04pm ---
Last 7 reports (total): ---
Last 14 reports (total): ---
Current month (February 2010) total: ---
season so far total: ---

Archive report: Posted at 4:51pm on Sunday 21st February 2010
The latest Niseko Now report can be found here

Got back to the Niseko area just a little while ago and it looks like I missed a glorious, mostly sunny day. Yesterday we had good snowfalls through much of the day but the wind up high remained strong. There was around another 15cm of snow since last report and due to the winds a lot more drifting onto lee slopes up higher. With the new snow and moderating winds it would have been a very nice day up on the mountain today. As I came past Mt Youtei quite a few line could be seen from people who'd taken advantage of the clear skies and did the climb up.
An approaching low pressure system will see conditions deteriorate tomorrow and winds strengthen later in the day with reasonable amounts of snow to fall tomorrow night into Tuesday.
Currently still looking like mild temps and rain likely on Thursday but hopefully turning back to snow on Friday.

Current Official Snow Depths:

Grand Hirafu:
Top - 340
Bottom - 220

Niseko Village:
Top - 390
Bottom - 240

Annupuri:
Top - 355
Bottom - 230

Avalanche Information:

Niseko Avalanche Info No.68

Moiwa base 6am: -7℃, mild breeze with 15cm of overnight snowfall.
Coastal data: NW7m/s at Benkei cape, N3m/s, 1.6m waves and 1020hPa at Kamui cape.
Annupuri peak 6am: NW9.2m/s, -13℃.
Strong gusts have persisted during the night, topping NW45.2m/s at 20:00.
Snowdrift developments are drastic, max 120cm in leeward ridgeline above 1000m.
The stabilization of these deep and heavy slabs is slow. Considerable avalanche hazards (60cm or greater) are present in Higashi-One steep slopes, upper Backbowl, Osawa cornice slopes and Mikaeri no sawa knoll area.
Potential trigger layer is Feb 19th or the weak lines within the snowdrifts.
Surface slab slides occur suddenly and a wide surface collapses simultaneously. The running speed is also very fast, mostly impossible to escape.
Peak gates are scheduled to open at 10:30, however keep in mind that the avalanche risk is high today.
Avoid wide-open slopes with wind-ripples and steep slopes, especially near knolls and cornices.
The snow in the tree below 800m is starting to stabilize.
Avalanches do happen, be conscious.
Better not overestimate technology and knowledge.
Do you have your beacon switched on?









Archive report: Posted at 4:51pm on Sunday 21st February 2010
The latest Niseko Now report can be found here

Niseko Now ski lift operation notes:

All lifts were operational

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