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Wednesday, 23 April 2014: dawn to dusk
Printable view Forecast issued: 0440 on Wednesday, 23 April 2014
Heavy persistent rain spreading in during the morning. This fragmenting through the day, with heavy showers possible during the afternoon. However some warm brighter spells developing as well.
|Heavy snow||No Risk|
|Storm force winds||No Risk|
|Gales||Low||Gusts of around 50mph are likely over the highest points. Difficult conditions likely on ridges.|
|Severe chill effect||No Risk|
|Persistent and extensive hill fog||Medium||Patches above 400m leading to difficult navigation, mostly over western and southern slopes.|
|Thunderstorms||Low||Scattered heavy showers possible later in the day.|
|Heavy persistent rain||High||Morning rain followed by heavy showers, will lead to treacherous ground conditions.|
|Strong Sunlight||No Risk|
|Dawn to 0900||0900 to 1200||1200 to 1500||1500 to dusk|
Increasingly wet during the morning with rain and low cloud spreading in from the west, bringing patchy hill fog. This will break up later in the afternoon, with some warm brighter spells becoming likely, mainly over the western hills. However, one or two showery outbreaks will then become possible. These ease overnight, with clearer spells developing, although some rain could persist in the east.
Good at first, but turning moderate to poor in rain, although occasionally good again in brighter intervals. Very poor in hill fog.
Well broken at 400m during the morning. Lifting and clearing some summits during the afternoon at times, although ragged patches around 400m returning during heavy showers.
|Valleys||Plus 7 rising Plus 15 Celsius|
|900 m||Plus 3 Celsius.|
|Freezing level||Above the summits|
Any rain persisting in the east will quickly clear through the early hours. Mist and fog is then likely to form in the valley, and this will lift during the morning bringing a brief period of hill fog. However once this clears, warm sunny spells will develop. A scattering of heavy showers is possible later in the day, and these could be thundery at times before easing during the evening.
Generally very good, but moderate to poor in rain, and very poor in hill fog.
Fog likely in valleys during the morning, this will lift to give a brief period of hill fog above 200m. However by midday, most summits will be clear. Although some ragged patches to 400m are possible during heavy showers.
|Valleys||Plus 5 rising Plus 15 Celsius.|
|900 m||Plus 3 Celsius.|
|Freezing level||Above the summits.|
Perhaps slightly drier and brighter than Thursday but a few sharp showers are still likely at times. It will turn cloudy, wet and windy overnight. The freezing level will stay above the summits.
A rather cloudy day with strong winds at times and outbreaks of rain becoming persistent. Hill fog is likely to become extensive. The freezing level will be above the summits.
Cloudy with outbreaks of rain through the morning, this likely to gradually clear to scattered showers through the day. Further persistent rain is likely later in the day. Freezing levels above the summits.
Latest: 20/04/2014 15:53 There is no recent report of the ground conditions available from the National Park wardens
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