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The Northwest Highlands
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Viewing forecast for Friday, 14th December, 2012
Forecast last reviewed on Saturday, 18/05/13 at 16:12
Headline, The Northwest Highlands
Severe upland gales soon developing. Snow, mainly east.
Southeasterly, locally very gusty into some valleys but generally rapid increase with height to 40 to 60mph on higher areas; gusts 80mph.
Effect Of Wind?
Soon very difficult conditions on the hills, locally to low level. Any mobility, where exposed, tortuous. Severe wind chill.
Pockets of light snow, persistent locally eastern summits in Sutherland and east of Achnasheen and Loch Cluanie.
Cloud on the hills?
Increasingly extensive & low
Cloud base broadly dropping to in the range 400 to 800m, lowest east of Achnasheen to Loch Cluanie and across Sutherland. Breaks to 1050m may persist most or all day coastal summits south of Torridon.
Chance of cloud free Munros?
Sunshine and air clarity?
Little if any sunshine. Hazy, and visibility very poor indeed where in snow and cloud.
How Cold? (at 900m)
-2, later rising to 0C, with very little temperature variation with height. Will feel as cold as minus 16 C directly in the wind.
Terrain frozen and increasingly icy from glens upward, although freezing level will from the south eventually reach 600 to 900m.
Planning Outlook for all mountain areas from Sunday, 19th May, 2013
Appreciably armer on the mountains until Tuesday with considerable melting of remaining high level snow cover. Often dry with fairly light winds but mainly on Monday, there could be a few afternoon thunderstorms. Through the week, temperature levels will gradually drop but at least winds will remain fairly light. Total rainfall will be small, although from time to time showers, or occasionally a few hours of steadier rain may develop.