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Updated: 1932 on Tue 16 Mar 2010
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West Highland: latest wind

Wednesday, 17 March 2010: dawn to dusk

Forecast issued: 1442 on Tuesday, 16 March 2010

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Overview for Wednesday

A band of rain will move across Scotland early tomorrow morning leaving a fine mainly dry day with bright spells from mid morning onwards.

Hazards Risk Explanation
Blizzards No Risk  
Heavy snow No Risk  
Storm force winds High winds will reach storm force over the more exposed ridges and summits with considerable buffeting.
Gales High Gales at all levels
Severe chill effect High Adequate clothing will be required to compensate for the effects of severe wind chill.
Persistent and extensive hill fog Medium Cloudy at first with extensive hill fog but this soon breaking up.
Thunderstorms No Risk  
Heavy persistent rain No Risk  

Key to Hazards

Weather summary and probability of precipitation for Wednesday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Heavy Rain
Heavy Rain
Sunny intervals
Sunny intervals
Light rain showers
Light rain showers
Light rain showers
Light rain showers
100% 0% 40% 30%

Detailed mountain weather forecast: West Highlands

Wednesday

Weather

A cloudy start to the day with some outbreaks of rain. This will soon clear away east leaving a fine mainly dry day with bright then sunny spells developing a few light showers are possible over the Cuillins and Torridon in the afternoon. The western ranges will always stay that little bit cloudier with the best of the sunshine destined for the Trossachs, Glencoe and Glen Nevis. This rain will have soften the lying snow making for some heavy walking conditions. Sun glasses or snow goggles are still advisable for those venturing onto the snowier peaks. Extra care will also have to be taken on the more exposed ridges and summits as there will be some considerable buffeting. With the snow continuing to melt then many rivers and burns will be in full spate so further care will have to be taken when crossing these.

Visibility

Moderate to poor visibilities at first which will make navigation a little tricky. Visibilities will soon improve becoming good to very good with some fine panoramic views to be had in all directions with the sunshine adding shadow detail to the snowy capped tops.

Hill fog

Extensive hill fog at first at around 600 metres but soon becoming patchy at around 900 metres although there will be some patches around 450 metres through much of the day over the Cuillins.

Maximum winds above 600m

Winds increasing to 50mph with gusts to 75mph over the more exposed ridges and summits

Temperature

Glens Plus 4 Celsius increasing to 12 Celsius
900 m Plus 2 Celsius
Freezing level 1200 metres lowering to 1000 metres

Thursday

Weather

A cloudy and wet day to come on Thursday with extensive hill fog, storm force winds and a rapid thaw so a poor day really for the hills. Conditions underfoot will be very wet and once you get up into the snow cover this will be very soft and very heavy going. Burns will be full to overflowing and fast moving so great care will have to be taken if crossings are required.

Visibility

Moderate at first but becoming poor with major navigational difficulties.

Hill fog

Extensive at all levels and persisting throughout the day with the poorest conditions being over the west of the area and the coastal hills in particular.

Maximum winds above 600m

50mph with gusts to 75 to 85mph over the more exposed ridges and summits

Temperature

Glens Plus 5 Celsius increasing to 8 Celsius.
900 m Plus 4 Celsius
Freezing level 2000 metres

Outlook

Friday

A better day on Friday being mainly dry with some bright spells. Cloudier across the hills from Assynt north with some patchy rain. Strong westerly winds with cloud bases generally above the summits. Very wet underfoot with burns continuing to be deep and fast flowing.

Saturday

A fine dry day on Saturday with some reasonable sunny spells. Good visibility. Moderate winds. Freezing level lowering to 800 metres.

Sunday

The fine conditions continue across the south of the area with bright or sunny spells. Across the north it will be cloudier with outbreaks of rain. Strengthening southwesterly winds. Good visibility generally but moderate to poor in the rain in the north.

North East England West Midlands Grampian South West England Central, Tayside & Fife Northern Ireland North West England East of England Highlands & Eilean Siar Strathclyde Wales East Midlands SW Scotland, Lothian Borders London & South East England Yorkshire & Humber