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Snowdonia National Park
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Viewing forecast for Saturday, 12th January, 2013
Forecast last reviewed on Thursday, 12/12/13 at 15:12
Headline, Snowdonia National Park
Blustery, particularly south. Becoming fine from north.
Easterly 30 to perhaps 40mph and gusts 50mph. The strongest winds likely mid-Wales.
Effect Of Wind?
Widespread buffeting particularly near and west of major ridges and through some cols and passes, particularly mid-Wales.
Little if any precipitation
Snow flurries possible post dawn, and for an hour or two after dawn the risk of constant precipitation Berwyn mountains.
Cloud on the hills?
Mostly or all clearing
Extensive low cloud after dawn, particularly eastern hills, but this will slowly break up from the north.
Chance of cloud free Summits?
20 rising to 80% north and 40% south by early afternoon
Sunshine and air clarity?
Sunshine will gradually develop from north, although extensive high level cloud will thin slowly. Haze will lift, with visibility becoming excellent.
How Cold? (at 900m)
-2C; slowly dropping through the day from east.
700m dropping to 500m.
Planning Outlook for all mountain areas from Saturday, 14th December, 2013
A much wetter and most extensively in Scotland stormy period: Across Highland Scotland, there will be a series of freeze thaw cycles. Total precipitation will be considerable over western Scotland (but one or two bouts of heavy rain on all western mountains). Severe or occasionally storm force winds, will be most frequent across the Scottish Highlands.