| 場所(Location) | 新潟県 - 大毛無山 | 観測点(Point) | Random | ||
| 観測者(Observer) | 須藤 史 | 日付(Date) | 221219 | 時間(Time) | 1413 |
| 斜面・斜度(Incline) | 35 | 斜面方位(Aspect) | NE | 標高(Elevation) | 650 m |
| 風速・風向き(Wind) | L - E | 天気(Sky) |
|
降水状況(Precip.) | S-1 |
| 気温(Air Temp) | -1.4 (do C) | 雪面温度(Surface) | -1.2 (do C) | タイプ(Type) | Test |
| 靴底貫入度(Foot Pen) | 55 cm | 積雪深 (Snowpack) | 65 cm | ||
| 東経(longitude) | -- | 北緯(latitude) | -- | ||
| メモ(Memo) |
スキー場内で過去に全層雪崩がシーズン初期にあった閉鎖中の急斜面。A steep closed ski slope which has Glide slab(Sz1.5)history in early winter. |
||||
| H (cm) | R | θ | F(雪質) | E (mm) | ρ(kg/m3) | Comments |
|---|---|---|---|---|---|---|
| 0 | ||||||
| F | D |
|
1 | |||
| 20 | ||||||
| 1F | M |
|
0.5~1 |
Smaller grain @ bottom, well bonding |
||
| 60 | ||||||
|
Moist-Wet @ bottom 1cm |
| H (cm) | T (℃) |
|---|---|
| 10 | -0.8 |
| 20 | -0.2 |
| 30 | 0.0 |
| 40 | 0.0 |
| 50 | 0.0 |