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West Highlands

Weather hazards over 300m on Sat 21 Jan 2017

High risk

No high risks
none

Medium risk

Strong sunlight
Prolonged sunshine and low sun angle will produce strong glare from remaining snow on higher slopes

Low risk

No low risks
none

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Gales
none
Severe chill effect
none
Persistent extensive hill fog
none
Thunderstorms
none
Heavy persistent rain
none

Sat 21 Jan 2017

A sharp frost with a few freezing fog patches in the glens at first, only slowly dispersing. Otherwise a dry, bright day with sunny spells. Light winds will make for easier walking conditions on the tops although paths will be icy at most levels.

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

Visibility

Generally very good however there will be patches of very poor visibility at lower levels on Saturday morning.

Hill Fog

Fog patches above about 600 to 700M although many tops will be free from fog during daylight hours. There may be some fog patches lower down during first part of the morning.

Max wind above 600m

Generally light winds from a southerly direction with average speeds of only 10 to 15mph. However some aspects seeing 20mph with gusts 35mph.

Temperature

Valleys:
Minus 4 Celsius at dawn rising to plus 5 Celsius.
800m:
Zero Celsius rising to plus 3 Celsius, but the ground still frozen.
Freezing level:
About 900M.

Sun 22 Jan 2017

Cloud sheet will return northwards during Saturday night leaving a mostly cloudy day on Sunday. The best chance of any brighter weather will be across the north Highlands. The clouds may even be thick enough during the day to give a little rain at lower levels and snow flurries across the tops of the Argyll hills and the Trossachs.

Visibility

Very good in north of area, otherwise rather hazy with patches of poor visibility over Argyll and the Trossachs.

Hill Fog

Extensive fog above about 500 to 600M but more broken in north of area.

Max wind above 600m

Southwest winds at around 10 to 15mph.

Temperature

Valleys:
Minus 2 Celsius at dawn in north. Temperatures rising to 6 Celsius.
800m:
Minus 1 Celsius.
Freezing level:
About 800M.

Mon 23 Jan 2017

Staying mostly dry and rather cloudy. There will be patches of light rain with snow flurries on the tops, mostly across Lochaber and Argyll. Freezing level about 900M. Strengthening southwesterly winds on the summits with an increasing wind-chill effect.

Tue 24 Jan 2017

Cloudy with patchy rain at lower levels and snow flurries on highest peaks. Very cold and windy on the tops with southwesterly gales.

Wed 25 Jan 2017

Mainly cloudy with patchy light rain. Southerly gales, severe over highest peaks.

Issued at: 0319 on Sat 21 Jan 2017