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East Highlands mountain area forecast

Forecast issued: 1453 on Friday, 18 April 2014

Overview for Saturday

A dry day everywhere on Saturday with some long sunny spells and light winds.

Hazards

Medium risk of Strong sunlight: Sunny spells leading to sunburn risk, especially where snowcover.

Low risk of Persistent extensive hill fog: Some low cloud bringing hill fog to eastern slopes of Angus and Perthshire after dark.

No risk of Blizzards; Heavy snow; Storm force winds; Gales; Severe chill effect; Thunderstorms; Heavy persistent rain;

Weather summary and probability of precipitation for Saturday

Dawn to 0900 0% chance of precipitation
0900 to 1200 0% chance of precipitation
1200 to 1500 Sunny intervals Sunny intervals 0% chance of precipitation
1500 to dusk Sunny intervals Sunny intervals 0% chance of precipitation

Detailed mountain weather forecast

Saturday

Weather

Another dry day. Some high cloud in the morning but this continuing to thin, break with long spells of unbroken sunshine developing.

Visibility

A few mist or freezing fog patches around dawn otherwise good though perhaps a little hazier than Friday in the east.

Hill fog

None expected by day, though some low cloud spreading in from the North Sea in the evening may give some hill fog down to 300m in exposed eastern areas for example the Angus and Perthshire hills.

Maximum winds above 600m

South 5-10mph overnight, increasing 15 gusts 25mph by the afternoon and becoming more southeasterly.

Temperature

Glens: Down to between zero and Plus 3 Celsius by dawn then rising to around 14 Celsius in the afternoon, back down to 4 Celsius by midnight.
900 m: Plus 5 Celsius, rising to Plus 7 in the west by day then back down to Plus 2 by midnight, but zero in the east.
Freezing level: Above summits, falling to 900m in east during the late evening.

Sunday

Weather

Low cloud and hill fog in the Angus and east Perthshire hills will burn off in the morning. Then another dry day with some long spells of sunshine. Cloud thickening from the east in the evening with extensive hill fog developing though remaining clear to the west of the Cairngorms.

Visibility

A few mist or freezing fog patches in the west around dawn and some mistiness under cloud in the east, otherwise good, becoming very good in the west. Becoming moderate to poor in the east during the evening.

Hill fog

Areas to 300m in east overnight and at first on Sunday morning, burning off with all hills in the clear for most of the day. Becoming extensive again in the east during the evening and below 300m in places.

Maximum winds above 600m

South to southeast 10-15mph becoming easterly 20mph in the evening.

Temperature

Glens: Falling to around Minus 1 by dawn rising to Plus 10 Celsius in the afternoon, but 14 in the west, then back down to 7 by midnight.
900 m: Zero in east and Plus 3 Celsius in west, rising to Plus 6 in the day then back down to Plus 1 by midnight.
Freezing level: 1200m in west and 900m in east at first rising above summits by late morning, falling to 1000m later in the evening.

Outlook

Monday

Cloudy with some patchy light rain developing, mainly across the Angus and Aberdeenshire Hills where hill fog will be widespread. Some brighter spells in the west. Strong to gale east to northeasterly gales and freezing levels above the summits.

Tuesday

Mainly cloudy with some patchy light rain and some hill fog this clearing from the north in the morning with some bright or sunny spells developing. Cloud hill fog and rain will return from the east in the evening. Strong east to northeast winds, summit gales. Freezing levels above summits.

Wednesday

Cloudy with some outbreaks of rain, hill fog and strong to gale southeast winds. Freezing levels above the summits.


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