Secret overnight weather
28th March 2021
The Scottish Avalanche Information Service issues information to support permitted activity under current Scottish Government guidance.
Please be aware of current mandatory travel restrictions inÂ Local AuthorityÂ areas within Scotland and respect local communities by referring toÂ Scottish Government guidanceÂ and safe route choices for exercise. For further guidance please refer to the following information forÂ hillwalkers and climbersÂ andÂ snowsports on ski and board.
This blog is intended to provide hazard and mountain condition information to help plan safer mountain trips.
Waking up this morning you could be forgiven to think the weather has been doing the same thing since yesterday afternoon, as it was the same temperature and still showery today as it was yesterday.
However, when everyone was asleep, the freezing level made a dramatic rise to above the summits before falling back down to around 700m early morning.
The consequence of this on the snowpack is quite dramatic. The overnight thaw will have caused a period of instability and likely avalanche activity followed by a refreeze and fresh windslab developing during the early hours. Quite a different snowpack to yesterday. And of course during today the freezing level has gradually risen again causing some thawing of todays fresh snow.
Tomorrow, the weather should obvious, but I’ll let you work that one out……..
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