West Highland mountain area forecast

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Sunday, 22 November 2009: dawn to dusk

Forecast issued: 0353 on Sunday, 22 November 2009

Latest pressure

UK latest pressure
Updated: 0553 on Sun 22 Nov 2009

Digital Map Data:
© Collins Bartholomew Ltd (2006)

Overview for Sunday

Very windy with blustery showers, wintry above 800m, heavy at times and merging into a longer spell of rain during the day.

Hazards Risk Explanation
Blizzards Low On summits above 800m in west of area.
Heavy snow Low Frequent showers wintry above 800m.
Storm force winds Medium Winds gusting to 70 mph at times over exposed ridges and summits, especially western areas.
Gales High Gales throughout the day across the whole area.
Severe chill effect High In gale force winds and blustery showers, wintry above 800m.
Persistent and extensive hill fog Low In the west later.
Thunderstorms Low Risk in the heavier showers.
Heavy persistent rain No Risk  

Key to Hazards

Weather summary and probability of precipitation for Sunday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
70% 80% 80% 80%

Detailed mountain weather forecast: West Highlands

Sunday

Weather

A bright day with some sunny spells but also blustery showers. The showers will be heavy at times, frequent and also wintry above 800m. Into the afternoon the showers will merge into a longer spell of precipitation from Torridon southwards.

Visibility

Good but falling moderate to poor in or near the showers.

Hill fog

Occasionally broken or overcast at 350m, otherwise well broken at 600m becoming overcast at 350m, occasionally broken at 250m.

Maximum winds above 600m

Southerly 35-40 mph, gust 62 mph, increasing at times 40-45 mph, gust 70 mph, especially across western ranges.

Temperature

Glens Plus 4 Celsius increasing Plus 7 Celsius
900 m Plus 3 Celsius
Freezing level 1100m rising to 1200m in the afternoon.

Monday

Weather

Another bright day with further blustery showers. The showers will remain frequent at times, occasionally heavy and will again be wintry above 800m. There is also perhaps a slight risk of thunder in the heavier showers.

Visibility

Good but falling moderate to poor in or near the showers.

Hill fog

Occasionally broken or overcast at 350m, otherwise well broken at 600m.

Maximum winds above 600m

Westerly 35-40 mph, gust 62 mph, easing later in the day 25-30 mph.

Temperature

Glens Plus 4 Celsius increasing Plus 7 Celsius
900 m Plus 3 Celsius
Freezing level Around 1100m.

Outlook

Tuesday

Cloud and persistent rain at first on Tuesday will clear during late morning and early afternoon. Early extensive hill fog will also clear. Blustery showers will then follow turning wintry on the highest peaks later in the day. Widespread gale force winds.

Wednesday

A bright day with blustery showers. The showers will be wintry on the higher summits and also heavy at times with the most frequent showers in the north. Widespread gale force winds.

Thursday

Another bright day with sunny spells. Showers will again occur but more scattered and mainly affecting the north, with southern ranges staying mainly dry. The showers will again be wintry on the higher summits and heavy at times. Winds easing.

No weather warnings in force for Highlands & Eilean Siar

Weather forecast for Highlands & Eilean Siar

No weather warnings in force for Strathclyde

Weather forecast for Strathclyde

No weather warnings in force for Central Tayside & Fife

Weather forecast for Central Tayside & Fife


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