2009/10

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LeeUK
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2009/10

Post #1 by LeeUK » Mon Aug 06, 2012 1:05 pm

The winter of 2009–2010 in the United Kingdom was a meteorological event that started on 16th December 2009, as part of the severe winter weather in Europe. January 2010 was provisionally the coldest January since 1987 across the country. A persistent pattern of cold northerly and easterly winds brought cold, moist air to the United Kingdom with many snow showers, fronts and polar lows bringing snowy weather with it.

The first snowfall began on 17th December 2009, before a respite over the Christmas period. The severest of the snowy weather began on 5th January in North West England and west Scotland with temperatures hitting a low of −17.6°C in Greater Manchester, England. The snow spread to Southern England on 6th January and by 7th January the United Kingdom was blanketed in snow, which was captured by NASA's Terra satellite.

The winter weather brought widespread transport disruption, school closures, power failures, the postponement of sporting events and 25 deaths. A low of −22.3°C was recorded in Altnaharra, Scotland on 8 January 2010. Overall it was the coldest winter since 1978-79, with a mean temperature of 1.5°C.

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16th December 2009
On 16th December forecasters warned of very heavy snowfall to come. A band of rain moved southwards over the UK, which brought some snow. Snow fell in Kent, Surrey, Sussex and Hampshire, which brought some disruption. Day time temperatures were around 0°C and a low of −7.4°C was recorded in Surrey.

17th December
On the 17th, easterly winds brought heavier and persistent snow showers to eastern England and Scotland. Heavy snow showers brought accumulation up to 3 cm in Aberdeenshire, Perth, Kinross and Fife, with some snow showers reaching Glasgow and western parts in the afternoon and evening. In Kent, motorists on the A21 were stuck for several hours during the evening and night.

18th December
More heavy snow showers followed on the 18th after heavy overnight snow caused widespread disruption across England in the South East, East Anglia, the East Midlands, Yorkshire and the Humber. Easterly winds brought further snowfalls in both the northern and southern halves of the UK. Overnight, five Eurostar trains were stuck in the Channel Tunnel after cold temperatures caused electrical failures, trapping 2,000 people for 16 hours. Many schools in England were closed. Four Eurostar trains broke down inside the Channel Tunnel, after leaving France, and one in Kent on 18th December. Although the trains had been winterised, the systems had not coped with the conditions. Over 2,000 passengers were stuck inside failed trains inside the tunnel, and over 75,000 had their services disrupted. All Eurostar services were cancelled from Saturday 19th December to Monday 21 December 2009. An independent review, published on 12th February 2010, was critical of the contingency plans in place for assisting passengers stranded by the delays, calling them "insufficient". Snow also disrupted motorways, including the M1, and many airports were closed.

19th December
The 19th brought snow to northern areas. The wind changed to a northerly with a front pushing south over Scotland. 3 cm of snow accumulated in northern Scotland, southern Scotland and parts of north and north-east England.

20th December
Overnight, north-westerly winds brought snow showers to western, northern and central Scotland, Northern Ireland, north Wales and northern and western England. Northern and western Scotland had the heaviest snow showers with accumulations up to 15 cm in places in the morning. 3 cm of snow was lying within Glasgow by 9.00am; however, during the afternoon and evening, more heavy snowfall occurred across much of Scotland, Northern Ireland and North Wales, which brought accumulations up to 10–15 cm, causing school closures and travel disruption the next day.

21st December
On the 21st some further snow showers affected some parts of the UK with some particularly heavy showers in northern areas. The M25 motorway and large parts of the M3, M23, M4, M40, M1 and M11 motorways were brought to a standstill until late into the night, and many towns were gridlocked. About 100 people were able to travel from London Victoria Station to Ashford International railway station courtesy of a steam train hauled by Tornado. Widespread transportation disruption affected parts of England, Wales, Scotland and Northern Ireland

22nd December
Central Scotland, from Argyll through Glasgow to Edinburgh, had very heavy snowfall during the evening, accumulating an additional 7 cm. On the Isle of Lewis, one man died due to the very cold weather. The temperature dropped to −16°C overnight in Dalwhinnie in Cairngorms National Park, Scotland, and it fell to −10°C in Edinburgh.

Fresh overnight snowfall brought renewed problems to other parts of the United Kingdom. In England, north Hampshire and the Thames Valley were particularly badly affected. In Basingstoke, some 3,000 motorists were forced to either abandon their vehicles or sleep in them overnight after becoming stuck in gridlocked traffic. An estimated 2,000 cars were abandoned. The Manchester area had frozen snow which made some dangerous travelling conditions. The AA vehicle recovery service accused some local authorities of not acting quickly enough to grit roads and claimed some "key roads" had "not been gritted at all". The Local Government Association dismissed the claims as "unverified, unsubstantiated and unjustified

23rd December
In Scotland, overnight temperatures once again dropped to well below freezing, with Dalwhinnie in the central Highlands of Scotland recording a low of −16°C and in Edinburgh −10°C. Large amounts of snow fell in eastern Scotland, with accumulations of up to a foot recorded in the Lothians, Lanarkshire, Edinburgh, Fife and Perth and Kinross. Serious disruption to road transport lead the Scottish Transport Minister Stewart Stevenson to state that conditions on Scottish roads were the worst for 20 years.

Air travel was disrupted in the United Kingdom, with Southampton Airport cancelling or diverting all inbound and outbound flights until around 11:30am because of a frozen runway. A Ryanair flight landing at Prestwick Airport overshot the runway, though no injuries were reported and the airport was soon reopened. Other public transport was also affected, with train services cancelled for the majority of the day from Southampton Airport Parkway.

Two women were killed and more than 40 people injured following a coach crash on an ungritted country road in Cornwall as a party returned from a trip to see Christmas lights in Mousehole the previous evening. Weather forecasters warned of icy conditions and further snowfall into Christmas Eve, affecting particularly northern England and the East Midlands, which would disrupt those who were planning to travel for the Christmas holidays

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24th and 25th December
Lying snow gave some travel disruption; however, Christmas Eve was a relatively calm day. However, parts of North Yorkshire, particularly the Harrogate district, experienced heavy snowfall during the day.

On Christmas Day parts of Britain had a white Christmas for the first time since 2004 after snow fell in northern and central Scotland, North Wales and parts of England, including Nottinghamshire. A man in Leeds, West Yorkshire froze to death after spending 24 hours in his car. A total of 21 people were reported to have died during the cold snap in the UK. Many parts of northwestern Ireland had a white Christmas also, whilst freezing rain affected most other parts of the state

26th December
On Boxing Day drivers in Northern Ireland were warned of icy conditions, but conditions in many other parts of the UK continued to improve as milder air moved in from the south. However, northern England and Scotland remained cold, and night time temperatures continued to drop below freezing. Some Boxing Day sporting fixtures were cancelled or postponed because of continuing icy conditions in places, including the National Hunt meeting at Towcester and all but two of the Scottish Football League's fixtures. Some parts of East Anglia suffered electricity power cuts, including Dedham, Stratford St Mary and parts of Colchester; in more remote parts of the region, some were continuously without power for 36 hours

27th and 28th December
Parts of England again suffered repeated power cuts, and Scotland experienced fresh snowfall overnight on 26th–27th December with the worst affected area being Perthshire, where between 12 and 18 inches fell.

Temperatures fell to −16°C in Tyndrum overnight on 27th–28th December, and to −14°C at Tulloch Bridge in the Highlands. The Met Office issued fresh severe weather warnings and motorists were advised to drive with caution. The A75 between Stranraer and Newton Stewart was closed because of "treacherous icy conditions", while the southbound carriageway of the A9 was blocked between the A8624 and B8081 in Perth and Kinross following an accident at Gleneagles

29th December
Temperatures dropped to −18°C in parts of the Highlands overnight on 28th–29th December, with Braemar recording Britain's lowest temperature of the winter. Fresh travel warnings were issued on 29th December as the wintry conditions continued to cause problems on Scotland's roads.

The runway of Inverness Airport was briefly closed because of snow and ice, and ScotRail reduced services to and from Glasgow Central because of the severe conditions. The snow and icy conditions were good for the Scottish ski industry, which said the weather helped it to experience its best start to the season for several years.

Warnings of heavy snow were issued for Wales, the Midlands, north-west England, eastern and southern England and Yorkshire and Humber. More snow began falling across parts of Wales and central and northern England on the evening of 29th December, with Wales recording the heaviest of the snow showers where some rural areas were cut off by of up to 30 cms. Snow was also reported in parts of the West Midlands region and Yorkshire.

30th and 31st December
Sportscotland Avalanche Information Service (SAIS) issued warnings about conditions on Scottish mountains. However, three people died in three large avalanches. Two climbers were killed as a result of an avalanche on Ben Nevis, while a man was airlifted from Liathach, a mountain in Torridon, after getting into trouble, and died in hospital.

Continued icy weather in Scotland on New Year's Eve led to the cancellation of Hogmanay celebrations in Inverness amid concerns over public safety. New Year celebrations in other parts of Scotland went ahead as planned. North-east Scotland experienced fresh snowfall during the afternoon and evening of 31st December. For the second time that week Inverness Airport was closed, forcing several hundred passengers to make alternative arrangements. In Batley, West Yorkshire 2,500 gallons of water leaked into the local gas network, leaving 400 homes in Dewsbury and Batley without gas during sub-zero temperatures. The final homes were reconnected on 7th January. Dublin and most of Leinster in Ireland were hit for the first time in the 2009-10 Winter

1st January 2010
Fresh overnight snowfall on New Year's Eve and New Year's Day caused disruption in north-east England, with roads across Northumberland, Tyne and Wear, County Durham, Teesside and the Scottish Borders affected. Snow also fell in parts of East Cumbria. In places it was as deep as 10 cms and motorists were warned not to travel unless their journey was absolutely necessary

2nd January
A weather front carried in the north wind brought heavy snow in the northwest of England. Wythenshawe near Manchester Airport had 13 cms of snow. This affected road transport on 2nd January, particularly in the Greater Manchester area with conditions on the M60, M602 and M66 reported to be poor, while the Snake Pass, which links Manchester with Sheffield, was closed.

In Scotland, a number of roads across the country were closed, including three junctions of the M9, while the motorway was shut in both directions at the Newbridge Roundabout in Edinburgh during the evening because of heavy snow, and did not open again until the following day. Problems were also reported on the A96 and the A939. Rail services between Inverness and Central Scotland were also affected by poor weather.

3rd January
Parts of northeast England and Cumbria had 6 cms of snow, and Edinburgh had 9 cms. Europe's largest private sector weather business, MeteoGroup, announced that the previous month was the coldest December on average since 1996. Temperatures remained very cold on 3rd January throughout Ireland and Britain, with some snow showers in Kent and North East England, although lighter than on previous days.

4th January
In Scotland, Fife Council became the first local authority to confirm that its supply of grit was exhausted after it received less than it had ordered from suppliers. Ministers denied there was a shortage of grit and salt and insisted there were "very substantial" supplies for Scotland's roads.

In its monthly summary, Met Eireann, Ireland's weather service, said December was the coldest month for 28 years for most of the country and the coldest of any month since February 1986 at a few stations

5th January
The Met Office issued weather warnings for every region in the UK except the Northern Isles. An extreme weather warning was issued for southern areas for overnight snowfall which could have brought accumulations from 25 to 40 cms. BBC Weather and the Met Office also warned that temperatures in the Highlands of Scotland could drop to −20°C later in the week. The Met Office also confirmed that the UK is experiencing the longest prolonged cold spell since December 1981. The Harrogate District endured over six inches and had been a regular feature on BBC News broadcasts.

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A local record of 48 cms of snow was lying in Aviemore and 3 to 4 feet of snow was recorded within the Cairngorms National Park. Most parts of Scotland had further snowfalls during the night of 4th-5th January.

Due to shortage of road grit conventionally made from rock salt, road grit was being made by or for road-gritters from cooking-type salt mixed with builders' sand, and the public bought up large amounts of cooking salt and table salt from food shops to put on their paths and drives. The Government was reported to have reallocated reserve supplies of road salt and grit from Oxfordshire and Buckinghamshire and sent it to Cumbria and Fife due to the higher priority of even lower salt and grit reserves, along with the greater snow clearance work, according to Radio Oxford.

6th January
The synoptic situation in northern Europe settled to a steady northeast wind which brought snow showers and belts of snow. The British Army had to help stranded motorists in southern areas. The Met Office confirmed that 40 cms of snow fell in some parts of southern England. A severe warning issued by the Met Office was in place for every region in the UK. Scottish First Minister Alex Salmond said Scotland was experiencing its worst winter since 1963. Further deaths in Wales, Shetland and Aberdeenshire were recorded. Roads in the southeast were left with traffic jams and abandoned cars. 8,000 schools were closed. In Eastern Parts, there were accumulations of 40 cm to 50 cm in places. In Kent, six inches of snow fell in four hours in the early evening

7th January
Overnight temperatures of −18°C were recorded during the early hours at Benson, Oxfordshire and Woodford, Greater Manchester in Britain. Over 10,000 schools closed across the UK owing to very heavy snow and disrupted transport. The National Grid issued its second alert in three days, asking suppliers to provide more gas and some businesses to switch to other power sources as gas usage hit record levels. A high of −8.5°C was recorded at Loch Glascarnoch. Snow showers also affected Wales and the south-west of England, whilst periods of heavy snow dumped a further 5–10 cm of snow across the south-east corner

8th January
Overnight temperatures of −22.3°C were recorded in Altnaharra in the Scottish Highlands. Heavy snow fell in the North of England throughout the day giving significant accumulations. A high of −7.7°C was recorded at Tulloch Bridge.

9th January
Deal and Sandwich in Kent, England, were virtually cut off by snowdrifts, and snow showers persisted in the east of the UK. In the far south-east, snow showers merged into longer and more persistent areas of snow. A low of −14.5°C was recorded at Tulloch Bridge.

10th January
During the Early hours, light snow showers spread across parts of Central England and Wales. The maximum temperature was −13.5°C in Altnaharra and a low of −18.4°C was recorded at Kinbrace. In Ireland exceptionally heavy snowstorms moved across Dublin, Kildare and Wicklow counties during the late afternoon hours, with up to a foot and more of snow in Kildare and Wicklow. These soon spread across the Irish Sea into Wales, Northwest England and the West Midlands, where North West Wales received up to 40 cm of snow, causing problems mostly for motorists who lived in rural areas.

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11th January
Rain, sleet and snow travelled northwards throughout the early hours. Allenheads in England had fears over a potential 15 ft snowdrift. A low of −21°C was recorded in Altnaharra, Highland

12th January
The weather system affecting South Wales and south-west England on the evening of the 12th moved onto The Midlands and South-east England where the snow persisted throughout the early hours until around midday, dropping a further 5–10 cm. The weather system continued north during the evening, affecting much of Northern England before reaching Scotland. Many schools were once again closed across England and Wales. There were many road accidents and closures; the M25 motorway was down to one lane between Leatherhead and Reigate whilst roads stretching right across southern Great Britain were untreated, causing problems for commuters. Gatwick and Birmingham airports were closed and many flights were delayed at Heathrow.

Due to a mix of the bitter winter weather and the milder system trying to push in from the Atlantic, heavy snowfall in the United Kingdom resumed, with fresh accumulations, on top of existing snow, of up to 15 cms on 12th January in Wales and South-west England. Snow later fell in The Midlands and South-east England. Hospital accident and emergency units in the Sheffield, Rotherham, Doncaster and Barnsley areas of South Yorkshire reported being inundated by people with broken bones, fractures and sprains after slipping on what one council official in Sheffield described as the worst black ice seen in the area in living memory

13th and 14th January
During 13th January the weather system continued north, affecting much of Northern England before reaching Scotland.

On the 14th, southerly to south-easterly winds brought bands of snow to parts of northern Britain. An inch of snow fell in Glasgow with further accumulations in areas outside the towns and cities, disrupting travel.

15th January
Rain and thaw came to much of southwest England. In Manchester rain on frozen ground had overnight caused glazed frost which had largely gone by morning, and at midday the clouds were running fast from the south; the January snowfall was melting fast, but the pre-Christmas snowfall, which where trodden, had half thawed to slush and then frozen hard to solid ice overnight, was slower to melt. In Scotland it melted fresh snow. Flood warnings were issued.

18th to 20th January
Heavy snowfall occurred in Wales and the Midlands between the 18th and 20th. Exceptionally heavy snow storms occurred on the Welsh Mountains, Shropshire Hills and the Pennines, causing problems on the highest roads. Significant accumulations of up to two feet were reported on the Berwyn range and in Snowdonia.

25th January
Widespread snowfall across Scotland brought extreme disruption. 61 cm of snow were recorded in Aviemore as hundreds of people were stranded in cars in Dunblane. Schools and transport services disrupted. Two people died in Glen Coe in an avalanche. Temperatures reached −19.2°C in Braemar. Some people in Perthshire were stranded in their cars for 17 hours. 45,000 homes in Scotland were left without power. 30 schools were closed




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