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West Highlands

Weather hazards over 300m on Wed 26 Nov 2014

High risk

No high risks
none

Medium risk

Persistent extensive hill fog
Across the Trossachs and Arrochar Alps.

Low risk

No low risks
none

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Gales
none
Severe chill effect
none
Thunderstorms
none
Heavy persistent rain
none
Strong sunlight
none

Wed 26 Nov 2014

Any showers over Skye and Wester Ross will die out during the early hours, otherwise dry with some clear spells, leading to a frost and fog patches in the glens, which will be very slow to clear tomorrow, perhaps lingering all day towards Ben Wyvis. Above the fog it will be a bright day with some sunshine, although clouds will increase over the Trossachs and eastern Argyll, with perhaps a few spots of rain for a time around the middle of the day, with snow above 900 metres.

Time
0000 to 0300 0300 to 0600 0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
Precipitation probability
10% 0% 0% 10% 10% 0% 0% 0%

Visibility

Very poor in any fog patches, otherwise good or very good with some nice panoramic views looking across the low level mist and fog.

Hill Fog

Occasional or persistent hill fog forming above around 500 metres over the Trossachs and Arrochar Alps, with occasional patches above around 600 metres over the rest of Argyll and Lochaber. Mainly small amounts to the northwest of the great glen above the low level fog.

Max wind above 600m

South or southeast 15-20 mph, locally 30 mph gusts 45 mph over the highest and most exposed summits in the north at first

Temperature

Valleys:
Minus 1 Celsius rising to plus 4 Celsius for a time
800m:
Zero Celsius
Freezing level:
900 metres

Issued at: 1731 on Tue 25 Nov 2014

Thu 27 Nov 2014

Dry with some clear spells in the north and west during the early hours, with a frost and fog patches in the glens, and these again may well linger for much of the day in places. Otherwise a dry and bright day for most ranges, although there will be more in the way of cloud across the south, and clouds will increase to give some rain over Caithness and Sutherland later.

Visibility

Very poor in any fog patches, otherwise good or very good, becoming moderate at times in the rain later.

Hill Fog

Occasional or persistent hill fog forming above around 500 metres over the Trossachs and Arrochar Alps, with occasional patches above around 600 metres over the rest of Argyll and Lochaber. Mainly small amounts to the northwest of the Great Glen. Becoming persistent above 300-50o metres later over Caithness and Sutherland

Max wind above 600m

East or southeast 15-20 mph

Temperature

Valleys:
Minus 1 Celsius rising to plus 5 Celsius for a time
800m:
Minus 1 Celsius rising to plus 1Celsius
Freezing level:
900 metres rising above the summits

Issued at: 1731 on Tue 25 Nov 2014

Fri 28 Nov 2014

Mainly cloudy with further rain at times across the far north and east, brighter with some sunshine across western ranges. Fresh occasionally strong southeasterly winds over the summits, with the freezing level above the tops.

Issued at: 1731 on Tue 25 Nov 2014

Sat 29 Nov 2014

Perhaps some rain in the north at first, otherwise mainly dry and bright with some sunshine. Fresh or strong southeasterly winds over the summits slowly easing.

Issued at: 1731 on Tue 25 Nov 2014

Sun 30 Nov 2014

Mainly dry and cloudy, perhaps some brightness in the north. Moderate or fresh southerly winds over the summits.

Issued at: 1731 on Tue 25 Nov 2014