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Snowdonia National Park
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Viewing forecast for Friday, 7th December, 2012
Forecast last reviewed on Tuesday, 10/12/13 at 13:33
Headline, Snowdonia National Park
Severe gales; frequent snow north.
Northerly, mean speeds 45 to 60mph.
Effect Of Wind?
Walking widely difficult where exposed, from low levels upward in severe gales. On many higher areas, any mobility difficult. Severe wind chill.
Snow showers, mainly Snowdon range
Showers, of snow above 650m. Most frequent Snowdon range where at times the precipitation may be almost constant.
Cloud on the hills?
Extensive on higher areas.
Fairly extensive cloud above about 750m, but lower near showers. Cloud may intermittently clear higher summits south of Lake Bala to Barmouth
Chance of cloud free Summits?
20% north to 60% south
Sunshine and air clarity?
Bursts of sunshine, mainly south of Bala to Barmouth. Visibility varied but very poor in precipitation.
How Cold? (at 900m)
0C; but will feel as cold as minus 15C directly in the wind.
Planning Outlook for all mountain areas from Thursday, 12th December, 2013
The present dry conditions will progressively give way from the northwest later this week, as fronts come in off the Atlantic. Remaining windy, particularly Scottish Highlands. Next week, lengthy upland gales, sometimes storm force, particularly across Scotland. Often wet, particularly western mountains. Freeze thaw cycles, mainly Scottish Highlands.