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West Highlands

Weather hazards over 300m on Sat 01 Aug 2015

High risk

No high risks
none

Medium risk

Gales
Higher risk over Skye and Northwest, less so in Trossachs.
Strong sunlight
Despite rather cloudy skies, sunny spells will bring a sunburn risk to unprotected skin.

Low risk

Severe chill effect
Strong winds and heavy showers will give a wind chill effect.
Thunderstorms
Risk especially over Skye and Lochaber.
Heavy persistent rain
Some of the showers prolonged over the northwest highlands.

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Persistent extensive hill fog
none

Sat 01 Aug 2015

A dry start well inland. Showers over the west coast and the northwest then spreading in to all areas. These showers turning heavy and prolonged at times with the chance of hail and lightning, before becoming isolated in the evening. Turning drier across all parts in the evening, though some showers lingering in the far north towards Ben Hope.

Time
0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Heavy shower day Heavy shower day Heavy rain Heavy shower day Cloudy Partly cloudy night
Precipitation probability
60% 70% 70% 40% 30% 10%

Visibility

Mostly good, but with quick deteriorations to moderate or poor in the heavier showers.

Hill Fog

Occasional patches mainly in association with showers at 800m or above, with isolated patches to 500m in the far northwest.

Max wind above 600m

Southwest 30mph increasing 35mph gusts 50mph in the afternoon over the highest peaks.

Temperature

Valleys:
Plus 7 Celsius at dawn, rising to Plus 15 in sunnier spells but dropping in showers.
800m:
Plus 4 Celsius.
Freezing level:
Above the summits.

Sun 02 Aug 2015

A dry start, though turning increasingly cloudy over the Trossachs through the morning with some patchy rain at times. This band of cloud and rain will spread north through the afternoon, reaching Skye and Torridon by evening, then turning heavy through the night, mainly over the north across Caithness and Ben Hope.

Visibility

Good, but falling moderate or poor in rainfall, especially from the evening onwards.

Hill Fog

Patches at 800m, becoming occasional at 500m from the south in the rain. Patches around 200m in the heavy rain at night, mainly over the hills of Caithness.

Max wind above 600m

Southwesterly 25mph gusting 40mph at first over the highest peaks in the northwest, easing to 20mph gusting 30mph then backing southeasterly 25 mph gusts 35 mph later.

Temperature

Valleys:
Plus 8 Celsius, rising to plus 15 Celsius.
800m:
Plus 3 Celsius rising to plus 8 Celsius.
Freezing level:
Above the summits.

Mon 03 Aug 2015

Outbreaks of patchy rain, this heavy in the north at first with gales. Drier during the afternoon for most with some sunshine in the north, although some showers may develop over the Trossachs. Remaining windy overnight.

Tue 04 Aug 2015

Unsettled and showery, though still some brighter spells at times too particularly to the east and southeast. Strong to gale force southerly winds throughout.

Wed 05 Aug 2015

A mix of sunny or clear spells and scattered showers, with the best of any brightness again in the east and southeast. Strong southwesterly winds easing through the day.

Issued at: 0246 on Sat 01 Aug 2015