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Tuesday, 21 May 2013: dawn to dusk
Printable view Forecast issued: 1748 on Tuesday, 21 May 2013
Largely dry and sunny towards the southeast, but with showers in the north, which will turn increasingly wintry over the tops.
|Blizzards||Low||Risk of temporary blizzard conditions during the afternoon.|
|Heavy snow||No Risk|
|Storm force winds||No Risk|
|Gales||Medium||Northwesterly winds will increase to gale force.|
|Severe chill effect||High||Strong to gale force winds combined with wintry showers will lead to a severe chill effect.|
|Persistent and extensive hill fog||Medium||Over the northern Cairngorms during showers.|
|Heavy persistent rain||No Risk|
|Strong Sunlight||Medium||Across the south and especially Breadalbane, sunburn risk.|
|Dawn to 0900||0900 to 1200||1200 to 1500||1500 to dusk|
Light rain showers
A largely dry start with some good spells of sunshine, particularly towards the southeast, though with an increasing chance of showers through the day. Showers will be most frequent in the north and turning cold enough for snow above 600m during the afternoon. Strong to gale summit north or northwesterly winds so a high wind chill. Best conditions will be over the Perthshire hills.
Generally very good or excellent with hills at all distances standing out sharp in the Arctic air. Reducing to moderate in rain and poor in snow showers.
Occasional patches around 750 metres this becoming more widespread at times over the northern Cairngorms.
Northwesterly 30-35mph increasing to 45-50mph with gusts to 60mph.
|Glens||Plus 3 Celsius rising to 13 Celsius.|
|900 m||Minus 1 Celsius.|
|Freezing level||800 metres falling to 600 metres.|
A bitterly cold, windy day for many places as severe gale force northerly winds bring frequent showers across the northern Cairngorms, these wintry above around 400m giving temporary blizzard conditions. A severe wind chill can be expected. Drier and brighter conditions in southern parts though, where there will be some decent sunny spells.
Very good or excellent, falling to poor in showers but very poor in hill fog and more prolonged falls of snow over the Ladder hills.
Occasional, becoming extensive above 500m at times, in the north. Few patches around 900m further south.
North to northwesterly 50mph with gusts to around 70mph over the summits.
|Glens||Plus 3 Celsius rising to 10 Celsius.|
|900 m||Minus 3 Celsius.|
|Freezing level||400 metres in north, 800 metres in south and falling in showers.|
A mainly dry and bright day with some sunny spells and just a few patches of hill fog. Much lighter winds and feeling milder than previous days. Freezing level 800m rising to 1100m.
Staying mainly dry with some decent sunny spells and light northwesterly winds. Perhaps a few light showers developing during the late afternoon. Freezing level around 1200m.
Dry with light winds once again and many bright or sunny periods, these perhaps prolonged in more sheltered southern areas. Freezing level around 1200m.
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