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West Highlands

Weather hazards over 300m on Wed 02 Sep 2015

High risk

Gales
Northerly gales will develop across the tops.

Medium risk

Severe chill effect
Gale force northerly wind will increase the cooling effect, especially during showers.

Low risk

Persistent extensive hill fog
Broken across much of the Northwest Highlands, giving difficult navigation conditions.
Strong sunlight
Moderate UV levels will give a slight risk of sunburn despite the cooler temperature in the south.

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Thunderstorms
none
Heavy persistent rain
none

Wed 02 Sep 2015

A windy day with gales over the tops. Wednesday will start fairly cloudy with scattered showers, these mainly confined across the Northwest Highlands. Some sleet is possible early in the morning across the highest peaks. Showers will become more widespread in the afternoon. Best of the conditions are expected across Trossachs. Feeling quite chilly in the wind.

Time
0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night
Precipitation probability
30% 40% 40% 40% 20% 20%

Visibility

Visibility will be mainly good or very good, but temporarily poorer in the showers.

Hill Fog

Broken areas of hill fog down to 600-700m across the Northwest Highlands and Torridon, mainly in the afternoon, with lower patches associated with the showers. Otherwise, the rest of the summits will be mainly cloud-free.

Max wind above 600m

North or Northwest 25mph gusting 35mph increasing to 35 gusting 55mph through the day, then 40 gusting 60 mph in the evening over northern ranges.

Temperature

Valleys:
Plus 7 Celsius in the morning, rising to plus 14 Celsius in the afternoon.
800m:
Around plus 3 Celsius.
Freezing level:
Generally above the summits, but temporarily at 1200m early in the morning.

Thu 03 Sep 2015

Another windy day with gales over high ground, particularly in the north. It will be rather cloudy day with scattered showers feeding in from the north. These again will be mostly confined across the northern areas with Argyll hills and the Trossachs being drier and brighter, with some sunny spells possible. Still feeling chilly in the wind.

Visibility

Very good, but temporarily poorer in showers.

Hill Fog

Broken or extensive fog down to 600-700m mainly across the north, with few lower patches associated with the showers.

Max wind above 600m

North 40mph gusts 60mph at first, easing to 25mph gusting 45mph by the end of the day.

Temperature

Valleys:
Plus 5 Celsius in the morning, rising to plus 14 Celsius in the afternoon.
800m:
Around plus 4 Celsius.
Freezing level:
Above the summits.

Fri 04 Sep 2015

The strong northerly wind will remain with gales in the morning. Scattered showers mainly across the northern areas. Best of the conditions again across the southern ranges. Winds gradually easing and backing Northwest, but still feeling chilly. Freezing level above the summits.

Sat 05 Sep 2015

It will be fairly cloudy on Saturday with isolated showers arriving from the northwest, wintry over the higher summits. Drier and brighter across the south. Strong Northwesterly winds. Freezing level 1200m, rising above the summits in the afternoon.

Sun 06 Sep 2015

Sunday will see a fair amount of cloud, this breaking towards the south where the driest and brightest of the conditions are expected. Scattered showers elsewhere. Moderate northwesterly winds. Freezing level above the summits.

Issued at: 0037 on Wed 02 Sep 2015