Digital Map Data:
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Wednesday, 4 December 2013: dawn to dusk
Printable view Forecast issued: 0955 on Wednesday, 4 December 2013
Generally dry with good spells of sunshine through the day after a cloudy night with rain for a time. Strong winds over the peaks with a low risk of gales early and late.
|Heavy snow||No Risk|
|Storm force winds||No Risk|
|Gales||Low||Low risk of gales over the peaks early and late in the day.|
|Severe chill effect||Medium||Strong northwesterly winds will make it feel markedly colder than temperatures suggest.|
|Persistent and extensive hill fog||Low||Hill fog may be persistent through the early hours on western slopes, lifting by dawn.|
|Heavy persistent rain||No Risk|
|Strong Sunlight||No Risk|
|Dawn to 0900||0900 to 1200||1200 to 1500||1500 to dusk|
Overnight cloud, hill fog and outbreaks of rain will clear away to the south through the early hours. Thereafter, a dry day with any cloud well broken allowing plenty of sunshine. Lighter winds at low levels, so pleasant in sunshine, albeit with temperatures dropping quickly after dusk. Quite strong winds over the tops, though, so feeling cold.
Poor or very poor in rain and hill fog at the start, becoming generally good very good from the end of the night and through the day, although poor in any valley mist patches in the evening.
Broken patches around 400m for a time but lifting above the tops by the end of the night with none expected through the day
Southwest 30 to 35, gusts 45mph at first, and again at the end of the day, but northwesterly 20 to 30mph for much of the day.
|Valleys||Plus 3 Celsius, rising to plus 6 Celsius.|
|700 m||Plus 2 Celsius|
|Freezing level||Above the summits.|
Becoming very windy with westerly or southwesterly gales or severe gales at low levels and a risk of storms for a time over the peaks. Increasingly cloudy during the morning with rain and hill fog arriving for the afternoon, perhaps turning to sleet for a time as it clears during the evening. Sleet or snow showers possible during the evening but these isolated. Feeling very cold over the tops, especially later.
Moderate or poor overnight and very poor in hill fog. Becoming very good or excellent as rain clears.
Isolated patches above 500m during the morning on western slopes, becoming broken above 400m late afternoon and evening, perhaps lifting towards midnight.
Westerly or southwesterly 40 to 45mph, gusts 50 to 60mph, with a chance of 70mph for a time until mid-afternoon, veering northwesterly and gradually easing later.
|Valleys||Plus 3 Celsius to plus 6 Celsius, falling to plus 1 Celsius during the evening.|
|700 m||Plus 3 Celsius, falling to around zero Celsius during the evening.|
|Freezing level||Above the summits for most of the day but falling to around the highest peaks during the evening.|
Cold with a sharp frost forming overnight. Mostly dry through much of daylight but increasingly cloudy with a little rain moving in later, perhaps a short period of hill snow on the tops. Fresh or strong north to northwest winds at first will bring a significant wind chill but winds will ease through the day. Temperatures will be below freezing at all levels for much of the day.
Staying cold through much of the day, with temperatures below freezing well into Saturday. Later in the day, though, temperatures will rise, even at high levels later, the freezing level expected to be above the summits by dusk. Quite strong westerly winds over the tops, so still feeing cold, but not as much as a chill as on Friday.
A mostly cloudy day with a little light rain or drizzle possible on western slopes, although most parts dry. Less cold, with the freezing level well above the summits.
Altitude 375 metres
Rainfall measured at 03:00 Wednesday, 04 December 2013
Rainfall data provided by the Environment Agency. The Met Office is not responsible for content provided by third parties and may remove this data without warning.
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