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West Highland: forecast weather

Sunday, 19 May 2013: dawn to dusk

Printable view Forecast issued: 0341 on Sunday, 19 May 2013

Overview for Sunday

A mostly dull overcast start with hill fog and some patchy rain or drizzle. Some bright or sunny intervals in Northwest and gradually becoming more widespread. Risk of showers in northwest.

Hazards	Risk	Explanation
Blizzards	No Risk
Heavy snow	No Risk
Storm force winds	No Risk
Gales	No Risk
Severe chill effect	No Risk
Persistent and extensive hill fog	Medium	At first in morning, mainly eastern exposures, becoming more patchy by the afternoon.
Thunderstorms	Medium	Risk of heavy, sharp, shower developing over NW Highland later
Heavy persistent rain	No Risk
Strong Sunlight	Medium	Especially to the northwest, sunburn risk.

key to hazards and forecast content

Weather summary and probability of precipitation for Sunday
Dawn to 0900	0900 to 1200	1200 to 1500	1500 to dusk
Dull	Sunny intervals	Sunny intervals	Sunny intervals
10%	10%	0%	0%

Detailed mountain weather forecast: West Highlands

Sunday
Monday
Outlook
Useful Links

Sunday

Weather

A mostly dull overcast start with hill fog and some patchy rain or drizzle. Some bright or sunny intervals in Northwest and these gradually becoming more widespread through the day. Risk of a few heavy, sharp, showers developing across Northwest Highland this afternoon.

Visibility

Moderate to poor widely in the morning with hill fog becoming good during the afternoon in the south and west beneath the cloud which will be breaking up.

Hill fog

Areas above 450-600m and lower still in places early in the day, gradually lifting becoming patchy and mainly above 750-900m during the afternoon. Temporarily lowering to 500m in any afternoon showers in the northwest.

Maximum winds above 600m

Northeast 25mph easing 10-15mph and becoming more variable in direction.

Temperature

Glens	Plus 9 Celsius, rising to plus 13 Celsius in the cloudier northeast to plus 17 Celsius in brightest southwestern areas.
900 m	Plus 9 Celsius rising to Plus 13 Celsius.
Freezing level	Well above the summits.

Monday

Weather

A misty start with some fog and low cloud around gradually brightening up with some sunny spells. As temperatures rise there will be an increasing chance of showers developing especially across the Trossach where there could turn heavy and thundery.

Visibility

Moderate to poor at first becoming mainly good though locally poor in heavy showers.

Hill fog

Patchy to low levels at first gradually lifting. Then occasional patches above 750-900m tending to lift above tops though returning in any heavier showers that develop later.

Maximum winds above 600m

Northwesterly 10mph increasing 20-25mph gusts 35mph later.

Temperature

Glens	Plus 5 to Plus 8 Celsius rising to Plus 19 Celsius.
900 m	Plus 12 Celsius.
Freezing level	Well above the summits.

Outlook

Tuesday

A cloudy morning across the Northwest Highlands with some light rain or drizzle, dying out and brightening. Southern ranges should stay dry and bright with some sunshine. North to northwesterly winds will strengthen and although freezing levels will stay above summits, temperatures will fall and there will be a significant wind chill.

Wednesday

A good deal of dry bright weather with some sunshine though with an increasing chance of showers through the day especially in the Northwest Highlands and turning cold enough for snow above 900m. Strong to gale summit north or northwesterly winds so a high wind chill.

Thursday

The northerly airstream will turn colder and stronger still so quite frequent sleet or snow showers in the Northwest Highlands, and gales causing severe wind chill. Freezing level 800m in north and 1000m in south and falling in showers.