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yellow Warnings have been issued for the United Kingdom

Lake District

Weather hazards over 300m on Sat 20 Dec 2014

High risk

Gales
Gusts above 50mph will persist for most of the day.

Medium risk

Storm force winds
Gusts up to 70mph are expected during the morning, giving a risk of losing footing.
Severe chill effect
Strong winds in combination with low temperatures will give a chill effect.

Low risk

Heavy persistent rain
Showers may merge and persist at times during the morning, making surfaces slippery.

No risk

Blizzards
none
Heavy snow
none
Persistent extensive hill fog
none
Thunderstorms
none
Strong sunlight
none

Sat 20 Dec 2014

There will be a mixture of showers and clearer spells to start. These showers will be wintry above 700m with a mixture of rain and snow. However they will gradually become more isolated and will have mostly cleared by the afternoon. Although from the late afternoon onwards it will become increasingly cloudy from the west.

Time
0000 to 0300 0300 to 0600 0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Light shower day Light shower day Light shower day Light shower day Sunny intervals Cloudy Cloudy Cloudy
Precipitation probability
70% 70% 60% 40% 30% 0% 0% 10%

Visibility

Generally good to very good but moderate in showers.

Hill Fog

Occasional patches down to 500m in association with showers and then later in the day as cloud moves in from the west.

Max wind above 500m

Northwesterly 40-45mph gusting up to 70mph to start, becoming westerly 30-35mph gusting 45-50mph during the afternoon.

Temperature

Valleys:
Plus 3 Celsius rising to plus 9 Celsius before falling to plus 5 Celsius in the evening.
800m:
Minus 1 Celsius rising to plus 2 Celsius by the evening.
Freezing level:
Around 800m to start but rising above the summits during the afternoon.

Ground conditions

Latest: 19/12/2014 14:30 FELL TOP CONDITIONS REPORT Date: Friday 19 December Location: Helvellyn summit at 12:20 Most of the old snow has now thawed; however some does remain in sheltered hollows and on east facing slopes above 800m, the depth of which can reach up to 40cm although this is the exception. Above 750m there is a light dusting of soft snow and hail blown in on strong westerly winds; this has not settled on windswept areas, such as large parts of the summit plateau, but has added slightly to the depth of old snow in sheltered areas. Full winter clothing and footwear are essential for those venturing out onto the fells. For those going above the snowline and attempting, or traversing, steep east facing slopes an ice axe is recommended; for example there is a steep patch of unavoidable snow on the exit to Striding Edge, where an ice axe is essential as a slip here would ruin your Christmas! Should this snow freeze then crampons could also be useful. Temperature minus 1.4 deg C. Maximum wind speed 43.5mph. Wind chill minus 12.7 deg C. Average wind speed W 34.7mph.

Issued at: 1735 on Fri 19 Dec 2014

Sun 21 Dec 2014

Patches of rain will gradually spread in from the west during the early morning and continue across the park throughout most of the day. Perhaps becoming more persistent during the afternoon at times, especially over western fells. Otherwise conditions will generally be cloudy.

Visibility

Generally good but moderate to poor in rain.

Hill Fog

Occasional down to 700m becoming persistent down to 500m during the early hours of the morning. Hill fog will then persist down to 500m for most areas for the rest of the day, with occasional patches down to 200m, especially over southern fells.

Max wind above 500m

Westerly 30-35mph gusting 45-50mph, becoming southwesterly 45-50mph gusting 70-75mph during the early hours of the morning.

Temperature

Valleys:
Plus 4 Celsius rising to plus 11 Celsius before falling to plus 5 Celsius in the evening.
800m:
Around plus 2 Celsius.
Freezing level:
Above the summits.

Issued at: 1735 on Fri 19 Dec 2014

Mon 22 Dec 2014

Rain from overnight persisting and heavy at times, before slowly clearing during the evening but followed by showers. Strong or gale force southwesterly winds. Freezing level well above the summits.

Issued at: 1735 on Fri 19 Dec 2014

Tue 23 Dec 2014

A cloudy day with showers, possibly wintry over the fells. Moderate or strong southwesterly winds. Freezing level above the summits but dropping to around 700m during the day.

Issued at: 1735 on Fri 19 Dec 2014

Wed 24 Dec 2014

Generally a fine and dry day with a few showers, which will likely be wintry over the fells. Moderate to strong westerly winds becoming light northerly. Freezing level around 700m.

Issued at: 1735 on Fri 19 Dec 2014