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West Highlands

Weather hazards over 300m on Mon 29 Aug 2016

High risk

No high risks
none

Medium risk

Persistent extensive hill fog
Hill fog becoming persistent in the evening, especially in the west

Low risk

Gales
Risk of gusts reaching 50-60mph in the far northwest later.
Strong sunlight
Risk of sunburn in any prolonged periods of sunshine early on

No risk

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

Mon 29 Aug 2016

Most parts will start dry and bright with some sunny spells. By lunchtime cloud will begin to thicken turning sunshine hazy, and some rain will reach the far northwest shortly after, before spreading to most parts through the rest of the afternoon. Later this will be accompanied with some persistent hill fog, especially for coastal mountains.

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 Sunny intervals Sunny intervals Cloudy Light rain Light rain Light rain
Precipitation probability
0% 0% 0% 0% 30% 60% 60% 60%

Visibility

Good, but falling to moderate in the rain later.

Hill Fog

Scattered cloud above 800m at first, this thickening and lowering through the afternoon from the west giving persistent hill fog by the end of the day above 700m, with patches as low as 300m on coastal mountains.

Max wind above 600m

Westerly 10-15mph, becoming southwest 30mph gusting 45 mph in the evening, perhaps 40mph gusting 60mph over the far northwest.

Temperature

Valleys:
Plus 7 Celsius rising to 17 Celsius.
800m:
Plus 7 Celsius.
Freezing level:
Above the summits.

Tue 30 Aug 2016

Mainly cloudy, with some patchy rain and drizzle at times especially for west-facing coastal mountains. In the east of the area towards Inverness, and across the south towards the Trossachs drier with some bright or sunny spells developing at times.

Visibility

Good, but moderate in any rain and drizzle in the west.

Hill Fog

Persistent above 700m in the west, with periods as low as 500m. Across eastern and southern parts cloud generally higher with hill fog mostly above 800m, with some summits cloud-free at times.

Max wind above 600m

Southwesterly 30-35mph, gusting 50mph, perhaps 60mph over the highest Lochaber peaks.

Temperature

Valleys:
Plus 11 Celsius, rising to plus 20 Celsius in the afternoon
800m:
Around plus 10 Celsius
Freezing level:
Above the summits.

Wed 31 Aug 2016

Overnight rain clearing during Wednesday morning leaving showery conditions, with fresh to strong west or southwesterly winds over the summits.

Thu 01 Sep 2016

A mostly dry and bright day with isolated showers towards the west. Easing winds.

Fri 02 Sep 2016

Freshening southwesterly winds will bring rain and a lot of cloud, perhaps turning brighter later as rain clears to the east.

Issued at: 1715 on Sun 28 Aug 2016