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East Highlands

Weather hazards over 300m on Tue 03 May 2016

High risk

Gales
Expected widely in north with much buffeting, more limited in south.
Strong sunlight
Occasional both due to bright sunny spells but also snow glare on higher mountains.

Medium risk

Severe chill effect
Mainly above 900metres, more limited later

Low risk

Blizzards
Possible briefly during heavier snow showers over western Munros during the morning
Thunderstorms
Isolated brief storms till early afternoon, most likely across the northwest.

No risk

Heavy snow
none
Storm force winds
none
Persistent extensive hill fog
none
Heavy persistent rain
none

Tue 03 May 2016

Sunny spells and scattered snow showers, the showers heavier in northwest, falling as rain or sleet below mid mountain and the snow level lifting later. Some patchy fresh snow and ice to contend with on higher slopes, especially north facing aspects at first. Fewer showers in east and indeed the day will end dry and bright across many ranges.

Time
0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Light snow shower day Hail shower day Light snow shower day Sunny intervals Sunny intervals Partly cloudy night
Precipitation probability
50-70% 50-70% 50-70% 10-30% 10-30% 10%

Visibility

Excellent with good clarity but with occasional reductions poor as showers move through. On higher slopes briefly very poor during snow showers with brief disorientation over snow covered higher ranges when combined with hill fog. This most likely across the north during the morning, but unlikely afternoon onwards.

Hill Fog

Brief periods 750-900m. However as showers move across, temporary spells 600metres.

Max wind above 600m

In northern ranges, Westerly 35-40mph with gusts around 55mph. In southern ranges 25-30 gusts 40-45mph becoming Southwest later.

Temperature

Valleys:
Plus 3 Celsius rising to plus 13 Celsius by day, falling back to plus 4 Celsius by midnight.
800m:
minus 1 Celsius rising plus 1 with high wind chill moderating later.
Freezing level:
750 metres lifting 1000 metres.

Wed 04 May 2016

Some patchy light rain or drizzle cropping up, but some region should stay dry and although quite cloudy, perhaps seeing some brighter spells, especially Aberdeenshire and Angus hills.

Visibility

Mostly very good with mid distance hills clearly visible.

Hill Fog

Occasional periods 750-900m.

Max wind above 600m

Southwest 40 to 50mph gusts 60 mph.

Temperature

Valleys:
Plus 3 Celsius rising to plus 13 Celsius.
800m:
Plus 1 Celsius but lifting plus 3 for a time during the day. Some windchill.
Freezing level:
Around 1100m but during the day lifting above most summits

Thu 05 May 2016

Mostly dry and cloud thinning with brighter conditions, perhaps some hazy sun breaking through. Southwesterly gales with wind chill easing notably, much lighter winds in south by evening.

Fri 06 May 2016

A more settled spell of weather with a good deal of dry bright weather and some pleasant sunny intervals. Winds will be much lighter. Freezing levels near summits but turning milder in south with some thaw of snow from the bens later.

Sat 07 May 2016

Starting dry and fine with light winds, this may hold across Strathspey and the Great Glen areas, however clouds may build up to bring some showers later to southern and southwestern ranges. Easterly winds developing with milder air gradually spreading northwestwards to raise freezing levels above summits and tending towards thaw conditions.

Issued at: 0353 on Tue 03 May 2016