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Lake District

Weather hazards over 300m on Tue 04 Aug 2015

High risk

No high risks
none

Medium risk

Persistent extensive hill fog
Hill fog may persist down to 500m in the west of the park during the morning.

Low risk

Gales
Risk of 50mph gusts in association with heaviest showers early in the morning.
Strong sunlight
Low risk - UV may be high in afternoon sunny spells.

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Severe chill effect
none
Thunderstorms
none
Heavy persistent rain
none

Tue 04 Aug 2015

A wet, cloudy start as a band of rain pushes slowly across the park from the west, perhaps with heavier bursts of rain at first. Rain will become lighter and patchier through the morning, clearing to the east by lunchtime, when cloud will also break up to give a brighter afternoon. There remains a risk of showers, most likely in the east of the park.

Time
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 Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
Precipitation probability
70% 40% 0% 20% 20% 20%

Visibility

Visibility will be moderate in the morning's rain, leaving only adjacent fells visible, and may become poor in the heaviest bursts. As the rain clears visibility will become good, with fells in the middle distance clearly seen.

Hill Fog

Persistent above 500m in the morning rain, with patches down to 300m in the southwest of the park at first. Becoming more patchy through the morning, before generally clearing the peaks by lunchtime. Some patches may return to western fells towards evening, reaching down to 500m.

Max wind above 500m

Southwesterly 30-35mph with gusts of 45mph, likely reaching 50mph gusts in the heaviest downpours. Easing to 25-30mph after sunset.

Temperature

Valleys:
Plus 13 Celsius first thing, rising to plus 18 Celsius by mid afternoon, then falling to plus 12 Celsius by midnight.
800m:
Around plus 9 Celsius.
Freezing level:
Above the summits.

Wed 05 Aug 2015

Patchy cloud perhaps with some light rain in places at first. Rain becoming more widespread during the late morning and early afternoon, and perhaps heavy at times. Rain easing later in the afternoon and becoming showery in the evening, with any heavy showers potentially thundery.

Visibility

Generally good, with fells in the middle distance clearly seen. Visibility will fall in the rain, leaving only adjacent fells visible, and may become poor in the heaviest bursts.

Hill Fog

Broken hill fog down to 500m will affect the park through much of the day, particularly in the west, possibly reaching as low as 300m along the coast first thing. During the heavier rain in the middle of the day, hill fog could become widespread down to 500m.

Max wind above 500m

Southwesterly 20-25mph with gusts of 35mph, becoming southerly by noon.

Temperature

Valleys:
Plus 9 Celsius first thing, rising to plus 18 Celsius by mid afternoon, then falling to plus 13 Celsius by midnight.
800m:
Around plus 8 Celsius
Freezing level:
Above the summits.

Thu 06 Aug 2015

Patchy light rain and persistent hill fog throughout the morning, clearing around midday to leave the rest of the day bright and sunny. Light southerly winds becoming westerly during the morning.

Fri 07 Aug 2015

Some patchy cloud during the morning, clearing to give a mostly sunny day. Showers are possible late in the afternoon. Light northwesterly winds.

Sat 08 Aug 2015

A generally fine day, but with the chance of the odd shower, these occasionally heavy. Moderate westerly or southwesterly winds.

Issued at: 0304 on Tue 04 Aug 2015