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Weather warnings may have been issued

South Grampian and Southeast Highlands

Confidence

Generally high Saturday and Sunday, but moderate for timing of snow turning to rain Sunday. Low confidence for details next week.

  • This evening
  • Saturday
  • Sunday
  • Further outlook

Friday 19 January 2018

Sunrise: 08:36   Sunset: 16:14
Moon phase: New

A few snow showers at first this evening across western ranges, otherwise dry. Some good clear spells developing across the Angus and Aberdeenshire hills. Moderate to fresh westerly winds. Freezing level 100m or less.

Saturday 20 January 2018

Weather hazards

Severe chill effect High likelihood Hide 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.

Headline

Dry and sunny, particularly in the east. Cold with severe wind-chill.

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 Partly cloudy night Sunny intervals Sunny day Sunny intervals Clear night Partly cloudy night
10% <05% <05% 00% 00% <05% 00% 00%
Chance of precipitation
0 0 0 0 100 200 100 100
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 SW 29 33 W 26 31 SW 23 28 W 20 24 W 15 19 W 20 25 W 20 24 W 17 20
900m SW 18 23 W 18 24 SW 17 22 W 14 18 W 12 16 W 15 19 W 14 18 W 11 15
600m SW 15 24 W 14 22 SW 12 19 W 9 15 W 9 13 W 10 15 W 9 14 W 8 12
300m W 7 18 W 6 15 W 5 12 W 5 12 W 6 12 W 5 12 W 6 13 W 6 12
Glen W 3 11 W 5 14 W 5 13 W 4 11 W 6 10 W 5 12 W 5 13 SW 4 9

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 -7 -7 -7 -7 -7 -7 -7 -7
900m -6 -6 -6 -5 -5 -5 -5 -5
600m -3 -4 -4 -4 -3 -3 -3 -4
300m -2 -2 -3 -3 0 0 -1 -2
Glen -2 -2 -3 -3 1 1 -1 -2

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 -18 -17 -16 -15 -14 -15 -15 -15
900m -13 -14 -13 -12 -11 -12 -12 -11
600m -10 -10 -10 -9 -7 -8 -8 -8
300m -6 -6 -6 -6 -3 -3 -4 -5
Glen -4 -6 -6 -6 -2 -2 -4 -5
Sunrise: 08:34   Sunset: 16:16
Moon phase: Waxing crescent

Weather

Dry but cold with plenty of clear spells through the early hours, particularly across the Aberdeenshire hills. Then a cold dry day. Some patchy cloudy towards the Trossachs, but this clearing up in the afternoon. Further east, largely sunny. Clear skies in the evening with temperatures falling quickly.

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

80% with most ranges free of cloud. Perhaps some patchy cloud across the summits in the west during the morning.

Visibility

Excellent.

Met Office Aberdeen meteorologist's view

Temperatures in the glens likely to be around -9 Celsius at dawn where snow lying, falling to -7 Celsius by midnight.

Sunday 21 January 2018

Sunrise: 08:33   Sunset: 16:18
Moon phase: Waxing crescent

Weather

Dry through the early hours with increasing amounts of high cloud. Snow spreads northeast from mid morning accompanied by summit gales. Through the afternoon snow will turn to rain at all levels as mild air spreads in. This will give a risk of icy surfaces in the glens for a time before milder air becomes established by early evening. Cloudy in the evening, but rain easing.

Maximum wind speed expected

Light and variable, becoming southerly 20 mph by dawn, increasing to 40 gusting 60 mph by the afternoon, veering west 35 gusting 45 mph in the evening.

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

80% early morning, with cloud bases well above the summits. Becoming 10% by the afternoon as cloud lowers, becoming persistent above 700m, often lowering to 500m.

Temperature

  • At 800m -5 Celsius, rising to plus 2 Celsius in the afternoon.
  • Glen -10 Celsius rising to -2 Celsius in the morning, plus 2 Celsius late afternoon.
  • Freezing level 200-300m, rising to above the summits by the evening.

Visibility

Very good at first. Becoming very poor in snow, then extensive low cloud.

Monday 22 January 2018

Sunrise: 08:31   Sunset: 16:20
Moon phase: Waxing crescent

Much milder than recent days. Rather cloudy in the west with a few light showers at first. Sunny spells across the Angus and Aberdeenshire hills. Heavy persistent rain in the evening. Breezy with westerly gales across summits. Freezing level 900-1000m, rising above the summits in the evening.

Tuesday 23 January 2018

Sunrise: 08:30   Sunset: 16:23
Moon phase: First quarter

Breezy with southwesterly gales across high ground. Cloudy with extensive hill fog. Outbreaks of rain, heaviest in the west. Freezing levels above the summits.

Wednesday 24 January 2018

Sunrise: 08:28   Sunset: 16:25
Moon phase: First quarter

Strong to gale force southwest winds. Sunny spells and the occasional blustery shower, mainly in the west. Freezing level 800-1000m.

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