Situation becoming complicated…

10th March 2008

Sorry – Still can’t get the Lochnagar photos to upload.
We had snow on East winds today, which is something we haven’t had for a while. Snow initially at valley level gradually turned to rain with wet snow falling at 600 metres. By 800 metres the snow was dry enough to drift and in sheltered locations there are some deeper drifted areas. The deeper drifts are multi-layered and fracture easily. Visibility was very poor so observations are limited.
It looks like there will be some light snow showers overnight. Arriving on 15mph W winds they will just settle as an even thin layer. It will be dry for a time tomorrow before a band of snow arrives from the West and the winds increase to 50 mph. Deposits will start to redistribute, reforming on NE to SE aspects. So for a time tomorrow we will have a fairly complicated distribution of windslab to watch out for. The timing is important so it is probably worth catching the evening weather forecasts for the latest updates.
Sam

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