20100209 weather data for the 24 hours to 5.30am at 800m

Field Observations:

Yesterday in Hakuba's backcountry: after this storm the snow pack has settled at an amazingly fast pace with huge quantities of powder being transformed into quite dense snow in the space of an afternoon the previous day. Warm temperatures ad strong humid winds were to blame. Ski quality was still ok and stability had improved a lot.

This past storm produced a very widespread avalanche cycle with many size 2's on the NE chutes behind Happo. Gara Gara had a size 2.5, possible 3. The Tsugaike area had multiple size 2's on the north side of Hiyodori. On the south side of Hiyodori the well known slide path had run almost full length, reaching the bottom cat track. This took out a mature hardwood in the lower third of the path.

It was a very active cycle with steep obvious paths all running and much less frequent paths putting on a show as well.

Now rain has arrived in the valley with an uncertain ran/snow line. We will report more on this tomorrow.

Date:
20100209
Cloud Cover:
Obscured
Precip type and rate:
Rain
24hr min temp:
-9C
24hr max temp:
5C
Present temp:
1C
24hr new snow (HN24):
1cm
New snow from current storm (HST):
55cm
Snow height (HS):
203cm
Weight of new snow (100mm tube dia):
0gm
Water equiv of new snow:
0mm
Density new snow:
0kg/m3
Surface crystal size:
2mm
Surface crystal form:
Wet Grains
Wind speed:
Light
Wind direction:
SE
Barometric Pressure:
919mbar
Baro trend (last 3 hours):
Steady

Quick links to other recently active or new content

New ContentCommentsLast Active
Fast Lars 03 weeks 2 days ago
Onagiyama 23 weeks 4 days ago
Happy Birthday Mio 27 weeks 4 days ago
20100121 Happo North Avalanche 08 weeks 1 day ago
2009/10 Season 08 weeks 1 day ago
Hakuba backcountry skiing 08 weeks 3 days ago
2009/10 Daily Data 013 weeks 3 days ago
Harinoki 515 weeks 6 hours ago
First turns 2009/10 season 816 weeks 20 hours ago
First Snow 2009 821 weeks 1 day ago
TR: 3 peaks 1 day 1239 weeks 4 days ago
Hokkaido Round 2 245 weeks 20 hours ago
TR: Four Peak Nirvana 846 weeks 11 hours ago
TR: Hokkaido Research 246 weeks 11 hours ago
Corn 09 047 weeks 20 hours ago
Mio's day off 350 weeks 4 days ago
No pictures of perfection 250 weeks 4 days ago
This week's powder 01 year 1 week ago
Temporary Powder 51 year 1 week ago
Holy Crust! 41 year 1 week ago
Mid Season Comparison 01 year 4 weeks ago
Two days two classic tours 31 year 4 weeks ago
Weather and snow stability data updates 01 year 4 weeks ago
More fun 31 year 4 weeks ago
Raicho 21 year 4 weeks ago
Shitty Tengu Flutes 11 year 5 weeks ago
Chronic wind 61 year 5 weeks ago
20090211 Happo Gara Gara Zawa 01 year 5 weeks ago
Guides and Guiding 31 year 5 weeks ago
20090209 Tengupara Higashi 01 year 5 weeks ago