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Snowdonia National Park
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Viewing forecast for Sunday, 13th January, 2013
Forecast last reviewed on Monday, 10/03/14 at 12:58
Headline, Snowdonia National Park
Snow, rarely heavy, slowly extending southeast in afternoon.
Southwesterly, almost calm at first, 15 to perhaps 20mph Snowdon range, by mid-afternoon.
Effect Of Wind?
Light snow slowly spreading from northwest.
Snow flurries here and there, most likely Snowdon range, before light snow develops from the northwest in afternoon, turning to rain only in the valleys.
Cloud on the hills?
Extensively cloud free
Summits substantially cloud free, but slowly in snow cloud will increasingly form across the hills, mostly only higher up, although perhaps below 500m coastal areas into the afternoon.
Chance of cloud free Summits?
Greater than 90%, dropping to 50% west by mid-afternoon.
Sunshine and air clarity?
Sunshine will fade as high level cloud thickens. Visibility superb, but will deteriorate markedly in snow.
How Cold? (at 900m)
400m, although ground partially frozen on lower slopes after a frost.
Planning Outlook for all mountain areas from Wednesday, 12th March, 2014
Fine, very warm for March and widely sunny mid-week. However, the NW Highlands will become cloudy with a little rain, and across the Highlands by Friday there will be rain and low cloud, mainly in the west. Pressure will fall slowly over the weekend as the high centre moves away south; but still substantially dry, although intermittent upland gales across Highland Scotland. Snowmelt, mostly during daylight, will continue until the weekend. This may cease on higher Scottish areas on Sunday.