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Snowdonia National Park
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Viewing forecast for Wednesday, 23rd April, 2014
Forecast last reviewed on Wednesday, 23/04/14 at 07:52
Summary for all mountain areas
Low cloud will become much less widespread and mostly restricted to a front that will move slowly northeastwards across western mountains. Further east, scattered heavy, locally thundery showers will develop. Windy for a few hours Wales.
Headline, Snowdonia National Park
Windy with rain for a few hours, later easing.
South or southeasterly, 20 to 30mph, strongest middle of the day when gusts may reach 45mph.
Effect Of Wind?
Fairly small at first and late on. But widespread buffeting, mainly but not exclusively higher areas, centred around middle of the day.
Rain, later clearing
Rain soon developing from southwest, falling for several hours before slowly clearing from the west again in the afternoon.
Cloud on the hills?
Extensive on higher areas
Varied: many eastern & northern summits cloud free for a few hours, before in rain cloud becomes extensive on the hills, although mostly above about 700m. The cloud will almost all break up from the west through in afternoon.
Chance of cloud free Summits?
20%, rising to 70% from west toward evening
Sunshine and air clarity?
Very little sunshine - although may well become sunny from west toward evening. Hazy, extensive fog on higher areas; although by evening visibility excellent.
How Cold? (at 900m)
Above the summits.
Planning Outlook for all mountain areas from Thursday, 24th April, 2014
Often dry, although showers will develop in the afternoons on Thursday and Friday. Fairly warm. deteriorating into the weekend, as over several days, areas of low pressure circulate in the vicinity of Britain, bringing areas of constant rain and also heavy showers, these focussed on the afternoons. Colder.