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West Highlands

Weather hazards over 300m on Thu 23 Oct 2014

High risk

Gales
Widespread gales across all of the mountains.
Persistent extensive hill fog
Forming over Argyll the Trossachs and western ranges further north.
Heavy persistent rain
Following a wet night more persistent and quie heavy rain over Lochaber Argyll and Trossachs.

Medium risk

Storm force winds
Occasional gusts reaching 70mph over the more exposed summits.
Severe chill effect
The wind and rain will lead to a significant wind chill.

Low risk

No low risks
none

No risk

Blizzards
none
Heavy snow
none
Thunderstorms
none
Strong sunlight
none

Thu 23 Oct 2014

Outbreaks of rain continuing to affect Argyll the Trossachs Lochaber and Lochalsh, persistent and heavy at times. Some brighter spells further north across Torridon and Assynt, but scattered showers developing, these heavy at times. Very windy over the tops and quite wet underfoot after Wednesdays rain. The burns will also be full and fast flowing. The rain will tend to die away during the evening with some clear spells developing.

Time
0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light shower night
Precipitation probability
70-90% >90% 80% 80% 80% 40%

Visibility

Moderate or poor, becoming mainly good in the northwest, although reducing at times in the showers.

Hill Fog

Occasional or persistent 450 to 600 metres across Argyll and the Trossachs, with patches to 300m with occasional or occasional patches above around 600 metres further north.

Max wind above 600m

Southwest 45 mph to 55mph, gusting to 70 mph over the highest summits, with danger of loosing ones footing.

Temperature

Valleys:
Plus 10 Celsius falling to 7 Celsius later.
800m:
Plus 6 Celsius, but Plus 3 Celsius in the clearer showery weather in northwest.
Freezing level:
Above the summits.

Issued at: 0129 on Thu 23 Oct 2014

Fri 24 Oct 2014

Clear spells and a few showers overnight, these mainly over Lochaber. Sunny spells and scattered showers on Friday these mainly affecting the ranges north of the Great glen through much of the day where they will be wintry on the highest tops. A band of heavy showers will move in across all ranges towards the end of the afternoon these possibly producing hail and thunder. Staying windy with gales across all of the tops.

Visibility

Mainly very good but becoming moderate occasionally poor in the showers. The clarity of the air will be good with hills out to the far distance still quite clear.

Hill Fog

Occasional or occasional patches above around 750 metres but lowering to 600metres in the heavier showers late afternoon.

Max wind above 600m

Southwest 40 gust 60mph. but 50mph with gusts to 70mph possible over Torridon and Assynt

Temperature

Valleys:
Plus 10 Celsius falling to 7 Celsius later.
800m:
Plus 1 Celsius
Freezing level:
1000metres

Issued at: 0129 on Thu 23 Oct 2014

Sat 25 Oct 2014

A stormy day on the hills with winds of 70mph with gusts to 100mph possible. Frequent showers mainly across in the west these falling as wet snow on the higher summits with a severe wind chill particularly if you are wet by the showers.

Issued at: 0129 on Thu 23 Oct 2014

Sun 26 Oct 2014

A mixture of sunny spells and a scattering of showers, these fairly light and will move through quickly on the gale force southwesterly wind. Freezing level around 1100 metres so still a significant wind chill.

Issued at: 0129 on Thu 23 Oct 2014

Mon 27 Oct 2014

Rain arriving overnight and persisting through much of the day although it may become dry over the southern ranges in the afternoon. Remaining windy with gales but milder with the freezing level well above the tops.

Issued at: 0129 on Thu 23 Oct 2014