Brief Thaw.
27th March 2026
There was a brief thaw last night with the summit temperature rising to about +2.6°C. Some, but not all, of the fragile looking cornices which were observed yesterday had collapsed. A fair amount of avalanche and cornice debris was observed. The colder temperatures had consolidated the snowpack, and it had a crust of varying strength. It was windy day with the snow showers being blown through. Looks like more of the same for tomorrow.
The temperature on the summit of Aonach Mor the past 5 days. Two brief mild spells can be seen, one on the evening of the 23rd, and one last night.
Coire an Lochan. Some avalanche/cornice debris can be seen below the crags catching the sunlight.
Cornices. This is the same section of crag top that was shown on the blog yesterday. Some cornices remain, but there are a fair few sections which collapsed.
Looking down towards the lochan. Debris from a couple of avalanches can be seen not far above the lochan.
Looking out over the Grey Coires.
There were some short but heavy snow showers during the day. This was the view during such a shower, full on whiteout conditions. About 10 minutes after this shot was taken the sun was out. It was consistently windy through the day.
Cornice triggered avalanche debris from last night in Coire Dubh.
Below are three photos of the same view taken on Monday, yesterday and today. There has been a fair bit of weather this week, and these photos show how much things have changed over a few days.
Above, Looking up the Goose on Monday morning. The view would have been very similar Tuesday morning.
Looking up the Goose yesterday (Thursday) morning. Lots of fresh snow.
Looking up the Goose this morning. Things had changed a fair bit since yesterday, but still a fair more more snow than at the start of the week.
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