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Peak District mountain area forecast

Forecast issued: 1618 on Friday, 19 September 2014

Overview for Saturday

Extensive hill fog and patchy drizzle at first gradually lifting and breaking from mid-morning onwards. Generally dry for the latter part of the day.

Hazards

High risk of Persistent extensive hill fog: Extensive above 300 metres overnight and through Saturday morning, gradually lifting later.

Low risk of Strong sunlight: Sunny spells developing by evening with a low risk of sunburn in prolonged exposure.

No risk of Blizzards; Heavy snow; Storm force winds; Gales; Severe chill effect; Thunderstorms; Heavy persistent rain;

Weather summary and probability of precipitation for Saturday

Dawn to 0900 Mist Mist 60% chance of precipitation
0900 to 1200 Mist Mist 40% chance of precipitation
1200 to 1500 Dull Dull 30% chance of precipitation
1500 to dusk Dull Dull 20% chance of precipitation

Detailed mountain weather forecast

Saturday

Weather

Cloudy overnight with isolated showers over the peaks, and patchy light rain or drizzle elsewhere at times. Becoming misty later with extensive hill fog developing, leading to a dull, cloudy and misty morning on Saturday. Into the afternoon the cloud will slowly thin and lift, with some sunny spells possible by evening, but with one or two showers developing also.

Visibility

Poor in mist, rain, drizzle or showers, and very poor in hill fog. Improving later to good, perhaps very good by evening, though falling to moderate in any evening showers.

Hill fog

Broken above 300 metres overnight and through Saturday morning, perhaps blanket in the east around dawn. Gradually lifting and breaking during Saturday afternoon to ragged above 500 metres.

Maximum winds above 400m

North to northeasterly 15-20 mph, perhaps 25 mph by Saturday evening.

Temperature

Valleys: Plus 10 becoming plus 18 Celsius.
600 m: Plus 12 Celsius.
Freezing level: Well above the highest peaks.

Sunday

Weather

Any evening showers will soon clear after dusk to leave a dry and partly cloudy night, with some long clear spells developing later in the night. After a clear and chilly start to Sunday, it should be a dry and settled day with good visibility, easing winds and variable cloud, with some warm sunny spells at times. Feeling much less humid than recent days.

Visibility

Good overnight, becoming very good through the day. Much better visibility than recent days.

Hill fog

Ragged above 500 metres overnight, soon becoming NIL during Sunday morning.

Maximum winds above 400m

Northeasterly 15-20mph at first, gradually becoming light and variable through the day.

Temperature

Valleys: Plus 5 becoming Plus 16 Celsius.
600 m: Plus 7 Celsius.
Freezing level: Well above the highest peaks.

Outlook

Monday

Another dry day with light winds and lengthy bright or sunny spells. Feeling pleasantly warm in daytime sunshine, but chilly in the early morning and evening.

Tuesday

Cloudy with rain at times during the day, perhaps clearing later. Feeling fresh in westerly breezes.

Wednesday

Mainly dry but rather cloudy through the day, with a brisk northwesterly breeze.


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