MOUNTAIN WEATHER INFORMATION SERVICE www.mwis.org.uk The Northwest Highlands

Areas north from in the west, and the towards the east (NB. Does not include Mull and areas west of Loch Linnhe, these are found in the West Highlands forecast.)

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General Summary for Monday, 4 November, 2019

British Mountain Summary: Based on forecast chart for noon 4 November, 2019 Low pressure centred close to Wales produces gale force easterly winds across Scottish mountains. Incessant rain for the eastern Highlands, increasingly snow on highest terrain. Drier toward the west. For England & Wales, variable winds, with a legacy of rain, drizzle and low cloud moving around slowly.

Headline for The Northwest Highlands Upland gales. Snow & hail showers, fewest west coast.

Detailed Forecast for Monday, 4 November, 2019

How windy? (On the Northeasterly 35 to 50mph, strongest around Skye, & Great Glen. )

Effect of wind on Widespread buffeting across the hills, walking often arduous on higher terrain; you? significant wind chill.

How wet? Snow and hail showers (Precipitation and its Succession of hail/snow showers, mostly rain below 600m. Near whiteout at times. The impact) precipitation only occasional & rarely heavy on western hills south of Torridon. Very wet underfoot near .

Cloud on the hills? Extensive, particularly N & E Cloud base frequently changing; but typically 600m, and occasionally below 400m near precipitation. However, on western mountains south of about Torridon, most cloud above 800m and rare breaks above 1000m. Chance of cloud 20% free Munros?

Sunshine? Glimpses of sunshine, mainly western mountains south of Torridon. Air clarity (below Rapid changes in visibility from appalling in snow to transiently very good - or south of cloud) Torridon excellent.

How Cold? (at 900m) 0C to 2C. Wind chill feeling close to -15C.

Freezing Level 900m, although above 1100m western summits south of Torridon.

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The Northwest Highlands - Looking Ahead

Tuesday 5 November Wednesday 6 November

How windy? (On the Northerly 20-25mph, dropping slowly Variable, little wind from dawn; becoming Munros) through daylight toward 10-15mph. southeasterly 15 to 25mph.

Effect of wind on Small Mostly small. you?

How wet? Hail and snow showers Little or no precipitation (Precipitation and its Succession of passing hail and snow Generally dry. Local snow flurries moving impact) showers; mostly rain only lowest slopes. around slowly. Most showers and Ben Wyvis, whilst very few (mostly flurries) penetrate to coastal mountains south of Torridon.

Cloud on the hills? Frequently confined to higher tops Mostly very little

Cloud base will vary: generally lowest Fragments of cloud drifting around some Sutherland/Ben Wyvis, where patches higher summits and corries, locally may below 500m near precipitation, but mostly persist, but many hills often free of low above 700m and breaks above 900m. cloud. Highest base western hills south of Torridon, where mostly above 900m, breaks to higher tops. Chance of cloud 30% 70% free Munros? Sunshine? Bursts of sunshine, although more frequent Fairly sunny, but often weak due to high Air clarity (below sun western mountains south of Torridon. cloud. cloud) Frequently excellent visibility although Visibility very good; mist some valleys from abruptly poor in snow. dawn.

How Cold? (at -1C -2C, lifting a degree or so higher west 900m) coastal hills.

Freezing Level 800m; but slight frost some glens after Frost from most glens upward early dawn. morning; then up to 700-800m.

Planning Outlook All mountain areas of Britain from Tuesday, 5 November, 2019 A generally cold and unsettled pattern is expected to continue for at least the next week to 10 days; higher mountains staying near or below freezing point. Areas of low pressure will typically track across central and southern Britain, with a distinct lack of westerly winds for at least - comparatively lower rainfall amounts compared to average in the W/NW Highlands - winds more commonly east or northeasterlies. Some dry days, but precipitation frequent in many areas. Very wet underfoot, with flooding in places. Snow likely to fall regularly on higher mountains.

Forecast issued at 15:58 on Sunday, 3 November, 2019 The production of the Scottish forecasts is fully funded by the Scottish Government through the Mountaineering Council of Scotland with the support of sportscotland. Forecasts are issued daily by 16:30 and are kept under review and amended as necessary. However, expected conditions can still change after issue. © Copyright Geoff Monk & Associates, 2019.

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