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Snowdonia National Park
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Viewing forecast for Monday, 14th January, 2013
Forecast last reviewed on Sunday, 19/05/13 at 14:00
Headline, Snowdonia National Park
Snow clearing from west to a few showers. Near gales higher areas.
Effect Of Wind?
Widespread buffeting and significant wind chill across the hills.
Snow, or rain on lower slopes, starting before dawn, will through the morning clear, perhaps on western hills, soon after dawn, A few showers will follow; of rain below about 500m.
Cloud on the hills?
Confined to higher areas
Extensive very low cloud will during the morning break up from the west. This will leave broken cloud, typically above 700m west and 950m east (but 200m or so lower near showers).
Chance of cloud free Summits?
Less than 10% at first, rising to 70%
Sunshine and air clarity?
Sunshine developing from west: mostly glimpses coastal hills, but the sun in and out well inland. Visibility becoming excellent.
How Cold? (at 900m)
0 dropping to -1C. Will feel as cold as minus 14C directly in the wind.
Planning Outlook for all mountain areas from Monday, 20th May, 2013
Warm with continued rapid melting of remaining snow at higher levels on Monday and for a while on Tuesday with some sunshine but still a risk of thundery showers. Turning cooler, cloudier and more showery midweek particularly across eastern ranges with northerly winds strengthening. A divergence of views towards next weekend with high pressure weakening as low pressure over France threatens to bring showers and local thunder northwards.