観察データ
観察データの使い方大毛無山
190404
日付と場所
投稿者 Observer | Richard Smith |
観察日付 Observation At | 190404 |
投稿日時 Posted At | 190404 17:25 |
エリア Range | 妙高・戸隠 Myoko/Togakushi |
山岳 Mountain | 大毛無山 |
場所 Location | アライスキー場 |
同行者 Co-worker | Dave Iles |
Avalanche Infomation |
観察データ
標高 Elevation | 330m〜150m |
気温 Temp. | 1.2(0700hrs / 950m) 〜 5.6(1515hrs / 950m) |
天気 Sky | FEW 雲量1-3(Periods of OVC) |
風 Wind |
風速 Wind Speed:L 1-7m/s
風向 Wind Direction:S 風コメント Wind Comments: |
降水 Precipitation |
降水の種類 Precip. Type:Nil なし
降水の強度 Precip. Rate: 降水コメント Precip. Comments: |
雪崩などの観察 Avalanche Observations | Sz 2 Na Glide Slab 150cm 20m 40m NE @ 550m Sz 2 Na LW 250m long S @ 850m in unskiable steep backcountry terrain |
雪崩発生有無 Avalanche Activities_Yes or No | Yes |
積雪構造 Snowpack | Moderate sized hard cornice on E aspects stubborn to ski cutting in morning. Wind slab on same aspects unreactive and isolated to within 5m of ridgeline. Large cornice formation observed in backcountry on N & E aspects. Previous new snow became moist during day due to solar and warm temperatures. Surface 20cm wet on solar aspects at all elevations. Ski penetration up to 50cm, but only able to push out snowballs when ski cutting, not entraining. |
Spin No | |
コメント Comments | |
動画URL Movie |
総括