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Yorkshire Dales mountain area forecast

Forecast issued: 0345 on Monday, 1 September 2014

Overview for Monday

A cloudy morning with rain and extensive hill fog. Brightening up for this afternoon with cloud lifting and breaking allowing sunny spells. Light winds

Hazards

High risk of Persistent extensive hill fog: Extensive hill fog at first, lifting through this morning.

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

Weather summary and probability of precipitation for Monday

Dawn to 0900 Fog Fog 30% chance of precipitation
0900 to 1200 Cloudy Cloudy 20% chance of precipitation
1200 to 1500 Sunny intervals Sunny intervals 20% chance of precipitation
1500 to dusk Sunny intervals Sunny intervals 0% chance of precipitation

Detailed mountain weather forecast

Monday

Weather

Cloudy, grey and drizzly this morning with extensive low cloud shrouding most hills and ridges. The cloud will lift and break for this afternoon with sunny spells developing. Winds remaining light but changing direction through the day. Dry overnight with clear spells.

Visibility

Poor or very poor this morning, with extensive hill fog, but improving to moderate or good by early afternoon.

Hill fog

Extensive down to 200 metres until mid morning, lifting and becoming patchier through this afternoon.

Maximum winds above 400m

Southwest 15 mph becoming northwest 15 mph during the afternoon.

Temperature

Valleys: Plus 12 Celsius rising to plus 17 Celsius.
700 m: Plus 12 Celsius.
Freezing level: Well above the peaks.

Tuesday

Weather

A dry, partly cloudy night with very light winds. Then a dry day with broken cloud and sunny spells. Most of this cloud should be above the highest hills, especially during the afternoon, but there is a chance of rather more cloud through the afternoon with an odd shower possible. Light winds.

Visibility

Mainly good, locally poor in hill fog.

Hill fog

Patchy hill fog possible at first above 400 metres, but clearing the peaks later.

Maximum winds above 400m

Variable 10 mph.

Temperature

Valleys: Plus 10 Celsius becoming 18 Celsius.
700 m: Plus 10 Celsius
Freezing level: Well above the peaks.

Outlook

Wednesday

Low cloud and hill fog at first, a little drizzle possible. However, generally dry through the day with cloud breaking to bright or sunny intervals. Light southeasterly winds with freezing levels well above the peaks.

Thursday

Remaining dry. Cloudy at times but also some bright or sunny spells. Warm, especially in sunshine, and just light southeasterly winds.

Friday

Probably rather cloudy at times but generally dry with some bright or sunny spells. Feeling warm, especially in sunshine and just light or moderate easterly winds.


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