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The West Highlands

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Viewing forecast for Friday, 25th April, 2014

Forecast last reviewed on Friday, 25/04/14 at 07:30

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Summary for all mountain areas

A front will bring a blanket of very low cloud westwards, although some western mountains will be clear of cloud, at least for a few hours. Heavy showers will develop, particularly across England and E Wales, these later merging to give northward moving areas of thundery rain.

Headline, The West Highlands

Low cloud, mainly east; increasingly windy and showery.

How Windy?

Easterly 20mph; tending to strengthen to 30mph afternoon and perhaps 35 or 40mph evening.

Effect Of Wind?

Small before buffeting becomes widespread later in day, particularly near and west of major ridges, giving local sudden buffeting to low level.

How Wet?

Showers developing increasingly

Substantially dry. But scattered showers likely to develop from about midday, and toward or during the evening, in some areas these merging to give constant rain.

Cloud on the hills?

Mostly very little west, extensive east and south

Many western mountains substantially cloud free although cloud will form on higher areas in rain late in day. Elsewhere, persistent cloud on higher areas, generally base 600 to 800m, but cloud forming from lower slopes upward southern and eastern Loch Lomond NP.

Chance of cloud free Munros?

70% western summits; 10% or less elsewhere

Sunshine and air clarity?

Patchy sunshine west; but otherwise cloudy or dull and very hazy with fog across the hills. Haze increasing western mountains.

How Cold? (at 900m)

3C to 7C, highest in areas free of low cloud in afternoon.

Freezing level

Above the summits.

Planning Outlook for all mountain areas from Saturday, 26th April, 2014

Windy on the mountains (particularly Wales and Scottish Highlands) and areas of low cloud and rain on Saturday. Less windy, and generally showery on Sunday, though the low cloud will persist on some eastern mountains. Early next week, over 2 or 3 days turning colder from the north. There will be showers, but by about Thursday substantially dry with the air very clear. Thaw of snow will cease (except where in the sun) for 2 or 3 days, and in valleys, there may well be overnight frost.

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