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Lake District

Weather hazards over 300m on Sun 01 May 2016

High risk

Gales
Gales over high ground giving difficult walking conditions with a high risk of being blown over.
Persistent extensive hill fog
Low cloud will give extensive hill fog throughout the day, giving difficult navigation conditions.
Heavy persistent rain
Persistent rain for most of the day, often heavy over western aspects.

Medium risk

Storm force winds
Gusts may reach storm force at times over exposed summits and ridges making standing difficult.
Severe chill effect
Warmer than recent days, but severe gales and heavy rain will result in a significant windchill.

Low risk

No low risks
none

No risk

Blizzards
none
Heavy snow
none
Thunderstorms
none
Strong sunlight
none

Sun 01 May 2016

Dry but cloudy through the early hours, but persistent rain will spread in from the west from dawn. Rain will continue throughout the day, heaviest over the western fells, with severe gales over high ground. Rain will turn lighter and patchy in the evening.

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
Cloudy Cloudy Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain
Precipitation probability
0% 0% 80% >90% >90% 70-90% 70-90% 50-70%

Visibility

Generally poor or very poor with neighbouring hills often obscured. Slightly better in the east.

Hill Fog

Extensive hill fog above 600m in the morning, and often down to 300m over the western Fells. Cloud bases will lower to around 200m, 400m in the east, in the afternoon.

Max wind above 500m

Southwest 25mph gusting 35mph, increasing to 50mph gusting 70mph by mid morning. Perhaps easing to 40mph gusting 60mph for a time in the afternoon.

Temperature

Valleys:
Plus 4 Celsius rising to plus 12 Celsius.
800m:
Zero Celsius soon rising to plus 6 Celsius.
Freezing level:
800-1000m, rising above the summits by dawn.

Mon 02 May 2016

Cloudy with patchy rain overnight. This will turn heavy and persistent around dawn, and storm force winds. Rain will clear to the east late morning, but a risk of gales continuing over high ground. Then a bright, sunny day with scattered blustery showers, occasionally heavy with a risk of thunder early evening, and falling as snow above 700m.

Visibility

Very poor at first in heavy rain and hill fog. Becoming very good by late morning, briefly dropping to poor again in passing showers during the afternoon.

Hill Fog

Persistent, extensive hill fog above 300m, 500m in the east, at first. This will lift above the summits by late morning. Summits will then be mainly cloud free for the rest of the day with isolated patches of hill fog down to 600m in passing showers.

Max wind above 500m

Southwest 50mph gusting 70mph, increasing to 60mph gusting 80-90mph early morning, veering west 40mph gusting 50-60mph from mid morning.

Temperature

Valleys:
Plus 8 Celsius rising to plus 12 Celsius.
800m:
Plus 5 Celsius falling to around zero Celsius.
Freezing level:
Above the summits, falling to around the highest summits in the afternoon, then 800m late evening.

Tue 03 May 2016

Scattered, blustery showers, wintry above 600-700m in the morning and early afternoon. These heavy at times. Showers will die out later in the day. Strong westerly winds, easing slightly later in the day. The freezing level will be around 800-900m, rising to just above the summits in the afternoon.

Wed 04 May 2016

Cloudy but mainly dry. Fresh southwest winds will strengthen with a risk of gales later in the day. Freezing levels above the summits.

Thu 05 May 2016

Remaining dry. Cloudy at first, with strong southwest winds, but turning brighter with winds easing later in the day. The freezing level will remain above the summits.

Issued at: 1530 on Sat 30 Apr 2016