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South Grampian and Southeast Highlands

Confidence

High for mostly dry weather during daytime on Monday with strengthening winds, then a wet, windy day on Tuesday. Lower confidence on shower distribution and wind strength on Wednesday and Thursday.

  • This evening
  • Monday
  • Tuesday
  • Further outlook

Sunday 16 December 2018

Sunrise: 08:46   Sunset: 15:32
Moon phase: First quarter

Mainly dry this evening with clear spells towards the Aberdeenshire hills but cloudier skies elsewhere. Fresh southerly winds on the tops.

Monday 17 December 2018

Weather hazards

Gales High likelihood Hide detail

Gale force winds (gusts over 50mph) make walking difficult and strenuous with a potential to be blown over by gusts. There is often a marked increase in winds through cols or on exposed ridges and summits. Distances can take longer to cover and compass bearings become harder to follow accurately.

Severe chill effect High likelihood Show detail

Wind significantly lowers the ‘feels-like’ temperature relative to the actual temperature, with even moderate winds significantly adding to the chilling effect. Strong winds can result in a severe and debilitating wind chill many degrees below the actual temperature. This effect will be enhanced in rain or wet snow. Without protection, prolonged exposure could result in frost nip or frostbite on exposed parts of the body and/or hypothermia.

Storm force winds Low likelihood Show detail

Storm force winds (gusts over 70mph) make walking very strenuous with any mobility virtually impossible over exposed ground. Where these conditions occur there is a high risk of being blown over and even standing may be impossible at times with a risk of being blown off one’s feet. Basic tasks such as using a map, eating, putting on extra clothing or communication become extremely difficult away from any shelter.

Poor visibility Low likelihood Show detail

Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.

Headline

Mainly dry, rather cloudy with strengthening winds.

Weather at 800m

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Partly cloudy night Partly cloudy night Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Light rain
20% 20% 10% 10% 10% 10% 20% 30%
Chance of precipitation
700 700 600 700 700 700 1,200 1,600
Freezing level (m)
The level above which snow is expected to settle or the ground is expected to be frozen

Wind speed and direction (mph) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m S 21 28 SW 23 29 SW 25 31 SW 24 30 S 26 33 S 36 46 S 46 57 S 46 56
900m S 15 22 SW 19 25 SW 18 24 SW 19 25 S 21 28 S 29 39 S 34 45 S 34 45
600m SW 7 13 SW 9 17 SW 13 21 SW 12 21 SW 11 21 S 13 24 S 21 35 S 22 36
300m SW 4 9 W 4 11 W 5 12 W 3 8 W 4 12 SE 3 8 SE 8 16 SE 13 27
Glen NW 3 6 W 4 10 W 4 9 W 5 8 SW 4 9 SW 5 14 SW 6 12 SE 9 21

Temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m -2 -2 -2 -1 -1 -1 0 0
900m -1 -1 0 0 0 1 1 1
600m 1 1 1 1 1 1 2 2
300m 1 1 0 -1 2 0 2 4
Glen 2 2 -1 0 2 2 3 4

Feels like temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m -9 -9 -9 -9 -9 -10 -10 -10
900m -6 -7 -7 -7 -7 -7 -7 -7
600m -3 -3 -5 -4 -4 -4 -5 -4
300m -1 -1 -3 -3 -1 -2 -1 -1
Glen 0 0 -3 -2 0 -1 1 1
Sunrise: 08:47   Sunset: 15:33
Moon phase: First quarter

Weather

Mainly dry and rather cloudy overnight with a few wintry flurries on the tops. Monday will be dry for much of daylight hours. Always a good deal of cloud over hills in south and west of area. Best of the sunshine will be over the Aberdeenshire hills. The evening will be cloudy with light rain breaking out and any snow confined to the mountain tops.

Chance of cloud-free mountain/hill tops at 800m

30% in southwest but 80% in northeast of area. Extensive cloud cover around 700m will be much more broken over northern Angus and Aberdeenshire hills.

Visibility

Generally good even very good in northeast. Becoming rather hazy over Perthshire hills during afternoon and evening. Poor visibility as rain edges in late in the day.

Met Office Aberdeen meteorologist's view

Strengthening winds during afternoon and evening will make walking increasingly difficult. Also feeling bitterly cold with sub-zero temperatures on the tops.

Tuesday 18 December 2018

Sunrise: 08:47   Sunset: 15:33
Moon phase: Waxing gibbous

Weather

Cloudy with patchy rain at first. Rain will become more persistent during the morning then heavier in the afternoon, heaviest over the Perthshire hills accompanied by extensive hill fog.

Maximum wind speed expected

Severe gale or even storm force winds on the tops, average speeds 50mph with gusts 80mph. Winds will become southwesterly and slowly decreasing later in the day.

Chance of cloud-free mountain/hill tops at 800m

20% mainly towards Aberdeenshire hills. There will be extensive cloud cover around 600 to 700m with patches lower down in the southwest.

Temperature

  • At 800m Plus 2 Celsius rising to 5 Celsius for a time.
  • Glen Plus 1 Celsius rising to 7 Celsius.
  • Freezing level 1000m rising briefly above the summits.

Visibility

Generally moderate or poor with navigational difficulties. Occasionally good visibility in northeast.

Wednesday 19 December 2018

Sunrise: 08:48   Sunset: 15:33
Moon phase: Waxing gibbous

A drier and brighter day with some sunshine and a few showers. The showers mainly over Perthshire hills and falling as snow above about 700m. Strong to gale force southerly winds over the summits.

Thursday 20 December 2018

Sunrise: 08:49   Sunset: 15:33
Moon phase: Waxing gibbous

Another day of sunny spells and a few showers, again wintry on the tops. Lighter southerly winds over the summits.

Friday 21 December 2018

Sunrise: 08:50   Sunset: 15:34
Moon phase: Full

At this stage, it looks like staying mostly dry with some sunshine. There is a risk of rain with snow on higher tops edging up from the south later in the day. Fresh to strong southeasterly winds on the tops.

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