General Situation at 0000 on Sat 21 Nov 2009
A deep area of low pressure will be slow moving in the north Atlantic during Saturday, then moving steadily northeast into central Scotland during Sunday. Its associated fronts will spread northeast across most of the United Kingdom during Saturday bringing gales and heavy rain across many parts, with severe gales for a time in the west, and severe gales for many parts on Sunday.
Cape Wrath to Rattray Head including Orkney - Strong winds are forecast
24 hour forecast:
Southwest backing southeast 5 to 7, decreasing 4 for a time, perhaps gale 8 later near Cape Wrath.
Moderate or rough, occasionally very rough in far north but slight at first in Moray Firth.
Rain later.
Good, becoming moderate later.
Outlook:
South or southeast, becoming cyclonic 5 or 6, decreasing 3 or 4 for a time later.
Moderate or rough, occasionally slight.
Rain or squally showers.
Moderate or good.
Rattray Head to Berwick on Tweed - Strong winds are forecast
24 hour forecast:
Southwest 5 or 6 backing south or southeast 5 to 7, perhaps gale 8 later.
Slight or moderate, occasionally rough later.
Rain later.
Good, becoming moderate later.
Outlook:
South or southeast, becoming cyclonic, 6 to gale 8, occasionally severe gale 9 later.
Moderate or rough, occasionally very rough later.
Rain or squally showers.
Moderate or good.
Berwick on Tweed to Whitby - Strong winds are forecast
24 hour forecast:
Southwest backing south or southeast 4 increasing 5 to 7, perhaps gale 8 later.
Slight or moderate, occasionally rough later.
Rain later.
Good, becoming moderate later.
Outlook:
South veering southwest 6 to gale 8, increasing severe gale 9 for a time.
Moderate or rough, occasionally very rough later.
Rain or showers.
Moderate or good.
Whitby to Gibraltar Point - Strong winds are forecast
24 hour forecast:
Southwest backing south or southeast 4 increasing 6 or 7, perhaps gale 8 later.
Slight or moderate, occasionally rough later.
Rain later.
Good, becoming moderate later.
Outlook:
South veering southwest 6 to gale 8, increasing severe gale 9.
Moderate or rough, occasionally very rough later.
Showers.
Moderate or good.
Gibraltar Point to North Foreland - Strong winds are forecast
24 hour forecast:
Southwest backing south or southeast 4 increasing 6 or 7, perhaps gale 8 later.
Slight or moderate.
Showers, rain later.
Moderate or good, occasionally poor later.
Outlook:
South veering southwest 6 to gale 8, increasing gale 8 to storm 10.
Moderate or rough, increasing very rough.
Showers.
Moderate or good.
North Foreland to Selsey Bill - Strong winds are forecast
24 hour forecast:
Southwest backing south or southeast 4 increasing 6 or 7, perhaps gale 8 later.
Moderate or rough, occasionally slight at first.
Showers, rain later.
Moderate or good, occasionally poor later.
Outlook:
South veering southwest 6 to gale 8, increasing gale 8 to storm 10.
Moderate or rough, increasing very rough.
Squally showers.
Moderate or good.
Selsey Bill to Lyme Regis - Strong winds are forecast
24 hour forecast:
Southerly or southwesterly 4 or 5 increasing 6 or 7, occasionally gale 8 in west.
Moderate or rough.
Occasional rain, squally showers later.
Moderate or good, occasionally poor.
Outlook:
Southwest veering west 7 to severe gale 9, increasing storm 10 for a time.
Rough or very rough, occasionally high later.
Squally showers.
Moderate or good.
Lyme Regis to Lands End including the Isles of Scilly - Strong winds are forecast
24 hour forecast:
Southerly veering southwesterly 5 or 6 increasing 7 to severe gale 9.
Rough or very rough, increasing high in west, occasionally moderate in east at first.
Rain then squally showers.
Moderate or good, occasionally poor.
Outlook:
Southwest veering west 7 to severe gale 9, increasing storm 10 for a time.
Very rough or high, occasionally very high in far west.
Squally showers.
Moderate or good.
Lands End to St Davids Head including the Bristol Channel - Strong winds are forecast
24 hour forecast:
Southerly veering southwesterly 5 or 6 increasing 7 to severe gale 9.
Rough or very rough, increasing high in west, occasionally moderate in east at first.
Rain then squally showers.
Moderate or good, occasionally poor.
Outlook:
Southwest veering west 7 to severe gale 9, increasing storm 10 for a time.
Very rough or high, occasionally very high in far west.
Squally showers.
Moderate or good.
St Davids Head to Great Ormes Head including St Georges Channel - Strong winds are forecast
24 hour forecast:
South, backing southeast for a time, 4 or 5 increasing 7 to severe gale 9.
Moderate or rough, but slight at first east of Anglesey, becoming very rough in far south later.
Rain then squally showers.
Moderate or good, occasionally poor.
Outlook:
South veering west 7 to severe gale 9, increasing storm 10 for a time.
Rough or very rough, occasionally high in far south.
Rain or squally showers.
Moderate or good, occasionally poor.
Great Ormes Head to Mull of Galloway - Strong winds are forecast
24 hour forecast:
South, backing southeast for a time, 4 or 5, increasing 6 to gale 8, occasionally severe gale 9.
Slight or moderate increasing rough.
Rain then squally showers.
Moderate or good, occasionally poor.
Outlook:
South veering west 7 to severe gale 9, increasing storm 10 for a time.
Moderate or rough, occasionally very rough in west.
Rain or squally showers.
Moderate or good, occasionally poor.
Isle of Man - Strong winds are forecast
24 hour forecast:
South or southeast 4 or 5 increasing 6 to gale 8.
Moderate or rough.
Rain at times.
Good, becoming moderate, occasionally poor.
Outlook:
South veering west 7 to severe gale 9.
Rough or very rough.
Showers.
Moderate or good.
Lough Foyle to Carlingford Lough - Strong winds are forecast
24 hour forecast:
South or southeast 4 or 5, increasing 7 to severe gale 9.
Moderate or rough, occasionally slight at first.
Rain then squally showers.
Moderate or good, occasionally poor.
Outlook:
Southerly becoming cyclonic then westerly 6 to gale 8, occasionally severe gale 9 in south.
Moderate or rough, occasionally very rough.
Rain or squally showers.
Moderate or good, occasionally poor.
The Mull of Galloway to Mull of Kintyre including Firth of Clyde - Strong winds are forecast
24 hour forecast:
South, backing southeast for a time, 4 or 5, increasing 6 to gale 8, occasionally severe gale 9.
Slight or moderate, occasionally rough in North Channel.
Rain then showers.
Moderate or good.
Outlook:
South veering west 6 to gale 8, increasing severe gale 9 for a time.
Moderate or rough.
Rain or squally showers.
Moderate or good, occasionally poor.
Mull of Kintyre to Ardnamurchan Point - Strong winds are forecast
24 hour forecast:
South or southwest, backing southeast for a time, 5 or 6, increasing 7 to severe gale 9.
Rough or very rough becoming moderate or rough.
Rain then showers.
Moderate or good, occasionally poor later.
Outlook:
Southerly becoming cyclonic then westerly, 6 to gale 8.
Moderate or rough increasing very rough.
Rain or showers.
Moderate or good, occasionally poor.
Ardnamurchan Point to Cape Wrath excluding The Minch - Strong winds are forecast
24 hour forecast:
South or southwest, backing east for a time, 5 or 6, increasing 7 to severe gale 9.
Rough or very rough.
Showers then rain.
Moderate or good, occasionally poor later.
Outlook:
South backing north then northwest, 6 to gale 8, decreasing 5 at times.
Moderate or rough.
Rain or showers.
Moderate or good, occasionally poor.
The Minch - Strong winds are forecast
24 hour forecast:
South or southwest, backing east for a time, 5 or 6, increasing 7 to severe gale 9.
Slight or moderate, occasionally rough in far north and far south.
Showers then rain.
Moderate or good, occasionally poor later.
Outlook:
South backing north then northwest, 6 to gale 8, decreasing 5 at times.
Slight or moderate, occasionally rough in far south.
Rain or showers.
Moderate or good, occasionally poor.
The Channel Islands - Strong winds are forecast
24 hour forecast:
Southerly 4 to 5, increasing 6 to 7 by late morning, locally gale 8, veering southwest in the evening.
Rather rough to rough, locally very rough in the north Saturday night.
Misty with light rain or drizzle at first, more persistent rain spreading in from the west in the afternoon, clearing in the evening.
Moderate, locally poor in rain or drizzle.
Outlook:
Southwest 7 to gale 8, locally severe gale 9 especially in the north, veering southwest to west in the afternoon.
Rough to very rough, locally high.
Fair periods and scattered squally showers, locally heavy.
Moderate, locally poor in showers.
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