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East Highlands mountain area forecast

Forecast issued: 1429 on Thursday, 24 April 2014

Overview for Friday

A dull day with extensive hill fog and some outbreaks of rain in the east. Drier with sunny spells in the west.

Hazards

High risk of Persistent extensive hill fog: During the morning, and throughout the day across eastern ranges.

Low risk of Strong sunlight: Risk of sunburn across Creag Meagaidh and Hills of Cromdale in prolonged sunshine

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

Weather summary and probability of precipitation for Friday

Dawn to 0900 Cloudy Cloudy 100% chance of precipitation
0900 to 1200 Cloudy Cloudy 100% chance of precipitation
1200 to 1500 Cloudy Cloudy 100% chance of precipitation
1500 to dusk Cloudy Cloudy 70% chance of precipitation

Detailed mountain weather forecast

Friday

Weather

Cloudy and misty in the east overnight with outbreaks of rain. The walking day will again start rather gloomy with some rain and drizzle around, this becoming occasionally heavy over the east of the area. Cloud breaking up over the west of the area with some sunny spells for Creag Meagaidh and Hills of Cromdale. Little change through the day with the rain in the east moving west to all areas through the afternoon, this always heaviest and most persistent over the east of the area and Lochnagar in particular.

Visibility

Generally poor in low cloud, improving moderate at best across the eastern ranges. Becoming good across the northern Cairngorms and Creag Meagaidh but the air is likely to be rather hazy here, with distant peaks likely to be indiscernible.

Hill fog

Extensive down to 400 metres, and as low as 200 metres on southeastern facing upslopes of the Angus hills and eastern Cairngorms throughout the day. Over in the west over Creag Meagaidh and the Hills of Cromdale cloud bases will be around 600 metres but this rising to 750 metres at times.

Maximum winds above 600m

Southeasterly 15 to 20mph.

Temperature

Glens: Plus 7 rising to 14 Celsius in the west, but 10 Celsius where it remains dull.
900 m: Plus 5 Celsius.
Freezing level: Above the summits.

Saturday

Weather

Cloudy and misty overnight with outbreaks of rain. The walking day will be cloudy and murky with outbreaks of rain, these turning heavy at times particularly over the east of the area and Lochnagar and the Angus hills in particular. This rain will be driven along on gale force southeasterly winds which will lead to some fairly miserable conditions. During the late afternoon the rain will gradually become lighter and more patchy from the south but will remain cloudy.

Visibility

Moderate or poor throughout the day and very poor over the eastern upslopes.

Hill fog

Extensive down to 400 metres, and as low as 200 metres on southeastern facing upslopes of the Angus hills and eastern Cairngorms throughout the day. Over in the west over Creag Meagaidh and the Hills of Cromdale cloud bases will be around 600 metres with patches down to 400 metres at times.

Maximum winds above 600m

Southeasterly 15 to 20mph overnight increasing to 40 with gusts to 60mph by morning and staying at gale force throughout the day.

Temperature

Glens: Plus 7 rising to 12 Celsius
900 m: Plus 5 Celsius
Freezing level: Above the summits.

Outlook

Sunday

Another largely cloudy day with further outbreaks of rain, most persistent across eastern ranges. Occasionally fresh easterly winds.

Monday

A brighter day with some sunny spells the best of these over the west of the area. Moderate easterly winds.

Tuesday

A cloudy day with outbreaks of rain, these heavy at times. this rain will turn to snow above 600 metres as we go through the late afternoon as the light and variable winds go northeasterly and increase to gale force.


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