Snow and Avalanche Report

Northern Cairngorms - Issued 3/2/2012

Avalanche Hazard Forecast

FOR PERIOD 18:00HRS Fri 3/2/2012 TO 18:00HRS Sat 4/2/2012

compassRose
Hazard LevelAvalanche Probability
LowNatural Avalanches very unlikely.
Human triggered avalanches not likely.
ModerateNatural Avalanches unlikely.
Human triggered avalanches possible.
ConsiderableNatural Avalanches possible.
Human triggered avalanches are likely.
HighNatural and Human triggered avalanches will occur.
Very HighWidespread Natural and Human triggered avalanches will occur.
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localized  Localized Avalanche Hazard

Forecasted Weather Influences

A dry night will be followed by snow showers during the day on moderate increasing to strong South-West winds. The freezing level will rise from 300 to 750 metres.

Forecasted Snow Stability and Avalanche Hazard

Significant drifting will lead to new windslab accumulations developing. Avalanches are likely on North to East aspects above 975 metres. Corrie rims, gully exits and steep locations will be especially affected. There will also be localised instabilities on North-West and South-East aspects due to cross loading. Elsewhere the snowpack will be generally stable and well bonded. The avalanche hazard will be Considerable.

Observed Avalanche Hazard - Fri 3/2/2012

Observed Weather Influences

It has been a cold, dry, sunny day with very light variable winds.

Observed Snow Stability and Avalanche Hazard

Moderate to poorly bonded accumulations of windslab exist mainly around corrie rims and gully tops on North-West to North-East aspects above 975 metres. Localised areas of surface hoar have also developed at higher elevations. Elsewhere the snowpack is generally stable and well bonded. The avalanche hazard is Moderate.

Mountain Conditions
Snow DistributionThin cover above 750m, deeper accumulations have developed on Northerly aspects.
IcingGood ice on some crags, buttresses looking dry but wintry.
CommentBig change in the weather tomorrow after todays calm sunny day.

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