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Friday, 7 March 2014: dawn to dusk
Printable view Forecast issued: 0347 on Friday, 7 March 2014
A cloudy start, but soon brightening up with some good sunny spells likely this afternoon.
|Heavy snow||No Risk|
|Storm force winds||No Risk|
|Severe chill effect||Medium||Feeling like -11 at times in 30-35mph winds over highest peaks.|
|Persistent and extensive hill fog||Low||Cloud from 500m at first, soon lifting and breaking.|
|Heavy persistent rain||No Risk|
|Strong Sunlight||Low||Low risk in sunny spells through the afternoon.|
|Dawn to 0900||0900 to 1200||1200 to 1500||1500 to dusk|
Cloudy at first with winds of 40mph over the highest peaks. Cloud will lift and break through the morning and winds ease to around 30mph. Lengthy sunny spells are likely through the afternoon, but the strength of the wind means it will feel like minus 11 Celsius. Much more pleasant when walking out of the westerly wind.
Generally good or excellent, but moderate in rain and very poor in hill fog.
Cloud base at 500m, soon lifting and breaking above the summits.
|Valleys||Plus 12 Celsius.|
|900 m||Plus 3 Celsius, falling to plus 1 Celsius.|
Cloudy with some patchy light rain through the morning, becoming drier through the afternoon with some sunny spells likely at times. Cloud thickening again later with further patchy rain possible into the evening. Milder that in Friday but with stronger south-westerly winds. Hazy at times.
Good, moderate in haze and rain, very poor hill fog.
Cloud bases at 400-500m at times, lifting and clearing summits for a while through the afternoon.
Southwest 55mph, gusting 70mph at times.
|Valleys||Plus 12 Celsius.|
|900 m||Plus 6 Celsius.|
|Freezing level||Above summits.|
Cloudy to overcast with patchy rain, heavy at times. Extensive hill fog with cloud bases at 400m at times. Remaining mild with freezing levels above the summits. Winds from the west or south-west 15-20mph. Visibility generally moderate, poor in heavy rain, very poor in hill fog.
A generally dry day with light winds and cloud lifting and breaking through the morning. Mild and feeling pleasant when walking in the afternoon sun. Visibility generally good or excellent and freezing levels just above the highest summits.
Another dry and mild day with light winds. Possibly more in the way of cloud than on Monday, but remaining generally above the height of the summits. Some sunny spells are likely at times too.
Latest: 06/03/2014 16:15 Wyddfa / Snowdon: Snow above 900m. Ice axe & crampons essential. Cornices (overhanging snow) remain.
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