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South Grampian and Southeast Highlands

Confidence

High for rather changeable conditions to continue for the next few days. Low for detail on Sunday and Monday.

  • This evening
  • Thursday
  • Friday
  • Further outlook

Wednesday 15 August 2018

Sunrise: 05:40   Sunset: 20:55
Moon phase: Waxing crescent

Some showery rain this evening.

Thursday 16 August 2018

Weather hazards

Strong sunlight Medium likelihood Hide detail

Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.

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.

Thunderstorms Low likelihood Show detail

Lightning is a significant mountain hazard which can result in serious injury or death. Mountain terrain often leaves one highly exposed to lightning strikes. Hail may give unpleasant conditions with torrential rain and localised flash flooding also possible, mainly in Summer months.

Headline

Bright, cold and windy with showers.

Weather at 800m

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Partly cloudy night Cloudy Cloudy Cloudy Light shower day Heavy shower day Light shower day Partly cloudy night
10% 10% 20% 30% 60% 60% 30% 20%
Chance of precipitation
2,100 1,600 1,700 1,800 1,800 1,900 1,700 1,800
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 28 35 SW 29 36 SW 29 36 SW 26 34 SW 27 36 SW 27 35 W 26 34 SW 28 36
900m SW 23 29 SW 23 30 SW 23 30 SW 23 31 SW 24 33 SW 24 32 W 23 30 SW 23 31
600m SW 14 24 SW 13 23 SW 14 23 SW 15 27 SW 16 30 SW 16 29 W 15 26 SW 15 25
300m SW 5 15 SW 4 12 SW 5 13 SW 10 24 SW 11 28 SW 12 26 W 10 24 W 9 21
Glen SW 7 15 W 4 12 SW 4 12 SW 10 25 SW 12 29 SW 11 26 W 10 24 SW 8 19

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 5 4 4 4 5 5 5 4
900m 7 6 6 7 8 7 7 6
600m 10 8 8 10 11 11 10 8
300m 12 10 11 13 15 14 13 11
Glen 13 11 11 14 16 15 14 12

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 -1 -3 -3 -2 0 -1 -1 -2
900m 3 1 1 2 3 3 3 1
600m 7 5 5 7 8 7 7 5
300m 11 10 10 11 12 12 11 9
Glen 12 10 11 12 14 13 12 10
Sunrise: 05:42   Sunset: 20:52
Moon phase: Waxing crescent

Weather

Mainly dry in the early hours and at first in the morning, perhaps a brief passing shower over the western Perthshire hills. Showers will become more extensive from late morning and into the afternoon with the risk of an isolated thunderstorm or hail. Showers becoming gradually becoming less widespread from mid-afternoon onwards.

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

70%, although some fairly persistent cloud between 500 and 700 metres is likely until mid-morning away from the far east. Otherwise patches around 850 metres as showers run through.

Visibility

Very good outside showers with good air clarity.

Met Office Aberdeen meteorologist's view

Be prepared for cold winds and notable wind chill at height, note the below freezing 'feels like' temperature on the highest tops.

Friday 17 August 2018

Sunrise: 05:45   Sunset: 20:50
Moon phase: Waxing crescent

Weather

A dry start with only patchy low cloud. Then extensive low cloud, strengthening winds and patchy rain extending eastwards in the morning and through the afternoon, but little rain expected across the Angus and Aberdeenshire hills. Drier weather extending east later in the evening. Becoming very windy.

Maximum wind speed expected

Southwesterly 30 to 40 mph, with gusts to 60 to 70 mph on the highest tops by afternoon.

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

Only small amounts of cloud around at first, otherwise expect widespread cloud down to 500 to 700 metres from late morning. Best of any breaks across the Aberdeenshire hills. Cloud lifting off the tops later in the evening.

Temperature

  • At 800m Plus 8 Celsius
  • Glen Plus 6 rising to 16 Celsius
  • Freezing level Above the summits

Visibility

Rather hazy in rain, else generally good.

Saturday 18 August 2018

Sunrise: 05:47   Sunset: 20:47
Moon phase: First quarter

Isolated showers and strong winds at first, otherwise dry with some brightness with easing winds.

Sunday 19 August 2018

Sunrise: 05:49   Sunset: 20:45
Moon phase: First quarter

Low confidence for detail but expected to be cloudy with the chance of rain.

Monday 20 August 2018

Sunrise: 05:51   Sunset: 20:42
Moon phase: First quarter

At this stage expected to be mainly dry although often cloudy.

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