Snow and avalanche bulletin n° 68 issued on 4/16/2014 at 00:00 p.m. 

valid 72 hours out of controlled and open ski runs
Next update on 04/18/2014

GENERAL CONDITION   Low temperatures
  Snow height [ cm ] Ta
snowdrift event
Last snowfall Continuous snowcover above
[m a.s.l.]
Ground level New
h 07:00 h 07:00 h 48 h 07:00
2000 m 2500 m 2000 m 2000 m Shady Sunny
A - Central Valle d’Aosta 0-75 65-90 0 -1 4/15/2014
N-NW strong/very strong at high altitude
1700-2100 2400-2500
B - Gressoney, Ayas, Champorcher Valleys 0-130 70-180 0 -3 4/15/2014
N-NW strong/very strong at high altitude
1700-2100 2000-2400
C - Rhêmes, Valsavarenche, Cogne Valleys 10-60 70-100 0 -1 4/15/2014
N- NW moderate/strong at high altitude
1700-2100 2000-2400
D - Alpine ridge 0-80 60-180 0 -2 4/15/2014
N- NW moderate/strong at high altitude
1700-2100 2000-2400
The wind has decreased, after the strong activity from N in the last days. However, due to the good stability of the snowpack, also due to the appreciable drop in temperature in place since yesterday, local accumulations are found only above 3000 m. Thanks to good sunshine, the snow level still continues to rise steadily, with non-continuous snow up to about 2500 m.
Sunny aspects: the snow, where has not suffered the melting on daytime, has a several inches crust rather hard; below that crust, it is moist throughout its thickness; limited to very steep and grassy slopes and near the rocks, small/medium sized wet snow avalanches are possible, spontaneous or - in rare cases - triggered by high overload.
Full North aspects: the snow is still dry up to about 2800 m, hard on the surface, softer in the underlying layers; below this altitude, the snow is in humidification, with softer crusts.
The avalanche danger level is 1-low in the whole Region.
Weather forecast Show map
FORECAST   Variable conditions from Thursday to Saturday
Thursday 4/17/2014
Thursday: the increase in temperature and the sunshine trigger a new cycle of melting and refreezing cycle. In the morning hard crusts will be present, loosing consistency during the day. Consequently, the avalanche danger level will be 1-low rising to 2-moderate during the daytime on the whole Region. The hikes should not be in place during the hottest hours.
Friday: increasing minimum temperatures and cloud cover that will occur in the morning do not favor a good night refreezing, nor a significant daytime variation of the conditions. Due to conditions of Thursday, the snow will not be able to stabilize further, increasing - on the other hand - the probability of detachement of wet snow avalanches, even until the ground, spontaneous or triggered by high overload.
Saturday: the expected precipitations, even if weak, until relatively low altitudes (1300-1500 m) could be at the origin of some sluff of recent snow from steepest slopes and rocks and of small/medium avalanches at all aspects.
Friday and Saturday the avalanche danger level will, therefore, equal to 2-moderate on the whole Region.
Friday 4/18/2014
Saturday 4/19/2014
KEY Critical slopes altitude and aspects Rising avalanche danger during the day
Hazard scale
Answering service: snow and avalanche Bulletin +39 0165 776300 - Weather Bulletin +39 0165 272333
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