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In meteorology , a low-pressure area , low area or low is a region where the atmospheric pressure is lower than that of surrounding locations. Low-pressure areas are commonly associated with inclement weather (such as cloudy, windy, with possible rain or storms), while high-pressure areas are associated with lighter winds and clear skies. Winds circle anti-clockwise around lows in the northern hemisphere, and clockwise in the southern hemisphere, due to opposing Coriolis forces . Low-pressure systems form under areas of wind divergence that occur in the upper levels of the atmosphere (aloft). The formation process of a low-pressure area is known as cyclogenesis . In meteorology , atmospheric divergence aloft occurs in two kinds of places:

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95-512: The East of England is one of the nine official regions of England in the United Kingdom . This region was created in 1994 and was adopted for statistics purposes from 1999. It includes the ceremonial counties of Bedfordshire , Cambridgeshire , Essex , Hertfordshire , Norfolk and Suffolk . Essex has the highest population in the region. The population of the East of England region in 2022

190-403: A "Sub-National Review of Economic Development and Regeneration". Most of their functions transferred to the relevant regional development agency and to local authority leaders' boards . In June 2010, the incoming Coalition Government announced its intentions to abolish regional strategies and return spatial planning powers to local government. These plans include the withdrawal of funding to

285-612: A convective low acquires a well-hot circulation in the tropics it is termed a tropical cyclone . Tropical cyclones can form during any month of the year globally but can occur in either the northern or southern hemisphere during December. Atmospheric lift will also generally produce cloud cover through adiabatic cooling once the air temperature drops below the dew point as it rises, the cloudy skies typical of low-pressure areas act to dampen diurnal temperature extremes . Since clouds reflect sunlight , incoming shortwave solar radiation decreases, which causes lower temperatures during

380-722: A decade later the Labour administration also founded the Regional Improvement and Efficiency Partnerships (RIEPs) with £185m of devolved funding to enhance councils' capacity to improve and take the lead in their own improvement. The Maastricht Treaty encouraged the creation of regional boundaries for selection of members for the Committee of the Regions of the European Union : Wales , Scotland and Northern Ireland had each constituted

475-413: A depth of at least 50 m (160 ft); waters of this temperature cause the overlying atmosphere to be unstable enough to sustain convection and thunderstorms. Another factor is rapid cooling with height, which allows the release of the heat of condensation that powers a tropical cyclone. High humidity is needed, especially in the lower-to-mid troposphere ; when there is a great deal of moisture in

570-466: A directly elected Mayor and Assembly . Six regions have local authority leaders' boards to assist with correlating the headline policies of local authorities. The remaining two regions no longer have any administrative functions, having abolished their regional local authority leaders' boards. In 1998, regional chambers were established in the eight regions outside London, which produced strategic plans and recommendations to local authorities. Each of

665-505: A few weeks of hot, balmy weather with prolonged warm to hot temperatures. The number of summer storms from the Atlantic, such as the remnants of a tropical storm , usually coincides with the location of the jet stream . The East tends to receive much less rain than the other regions. Autumn (mid-September – mid-November) is usually mild with some days being very unsettled and rainy and others warm. At least part of September and early October in

760-581: A local event, resulting in minor injuries. Witnesses described the event as unexpected, noting that such phenomena are rare in the area. In the 2015 general election there was an overall swing of 0.25% from the Conservatives to Labour and the Liberal Democrats lost 16% of its vote. All of Hertfordshire and Suffolk became Conservative. The region's electorate voted 49% Conservative, 22% Labour, 16% UKIP, 8% Liberal Democrat and 4% Green. Like other regions,

855-708: A region, but England represents such a large proportion of the population of the United Kingdom that further division was thought necessary. The English regions, which initially numbered ten, also replaced the Standard Statistical Regions . Merseyside originally constituted a region in itself, but in 1998 it was merged into the North West England region, creating the nine present-day regions. The nine regions were used as England's European Parliament constituencies from 1999 until Britain's departure from

950-577: A revision of the Regional Spatial Strategy for the East of England, was published on 12 May 2008. It was revoked on 3 January 2013. The official region consists of the following subdivisions: In the Eurostat Nomenclature of Territorial Units for Statistics (NUTS), the East of England was a level-1 NUTS region, coded "UKH", which was subdivided as follows: After the UK's departure from

1045-699: A series of referendums were planned to establish elected regional assemblies in some of the regions. The first was held in London in 1998 and was passed. The London Assembly and Mayor of London of the Greater London Authority were created in 2000. A referendum was held in North East England on 4 November 2004, but the proposal for an elected assembly was rejected. In 2007, a Treasury Review for new Prime Minister Gordon Brown recommended that greater powers should be given to local authorities and that

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1140-881: A smaller scale), but which also receive additional delegated functions from central government relating to transport and economic policy. Regional development agencies were public bodies established in all nine regions in 1998 to promote economic development. They had certain delegated functions, including administering European Union regional development funds, and received funding from the central government as well. These were abolished in 2012, with statutory functions returning to local authorities and central government; however, smaller scale local enterprise partnerships were voluntarily established to take on some functions relating to coordinating economic priorities and development. After about 500 AD, England comprised seven Anglo-Saxon territories— Northumbria , Mercia , East Anglia , Essex , Kent , Sussex and Wessex —often referred to as

1235-515: Is a storm that occurs in the Atlantic Ocean and northeastern Pacific Ocean , a typhoon occurs in the northwestern Pacific Ocean, and a tropical cyclone occurs in the south Pacific or Indian Ocean . Friction with land slows down the wind flowing into low-pressure systems and causes wind to flow more inward, or flowing more ageostrophically , toward their centers. Tornadoes are often too small, and of too short duration, to be influenced by

1330-518: Is a pioneering hospital in the UK, based at Cambridge Biomedical Campus . The most famous university in the region is the University of Cambridge . The university has been officially rated as the best in the world in 2010. It has the second-best medicine course in the world, and in 2010 became the only university outside of the US to raise over £1 billion in charitable donations. There are eight universities in

1425-554: Is an umbrella term for several different processes, all of which result in the development of some sort of cyclone . Meteorologists use the term "cyclone" where circular pressure systems flow in the direction of the Earth's rotation, which normally coincides with areas of low pressure. The largest low-pressure systems are cold-core polar cyclones and extratropical cyclones which lie on the synoptic scale . Warm-core cyclones such as tropical cyclones, mesocyclones , and polar lows lie within

1520-524: Is characterized by the development of lower air pressure over the warmest part of the various continents. The large-scale thermal lows over continents help create pressure gradients which drive monsoon circulations. In the southern hemisphere, the monsoon trough associated with the Australian monsoon reaches its most southerly latitude in February, oriented along a west-northwest/east-southeast axis. Many of

1615-416: Is initially accelerated from areas of high pressure to areas of low pressure. This is due to density (or temperature and moisture) differences between two air masses . Since stronger high-pressure systems contain cooler or drier air, the air mass is denser and flows towards areas that are warm or moist, which are in the vicinity of low-pressure areas in advance of their associated cold fronts . The stronger

1710-537: Is the airfield from where SOE secret agents for Europe took off, with 138 Sqn which parachuted agents and equipment and 161 Sqn which landed and retrieved agents. 19 Sqn at Duxford was the first to be equipped with the Spitfire on 4 August 1938. The 81st Tactical Fighter Wing was at RAF Bentwaters from January 1952 and also at RAF Woodbridge ; in the late 1980s some of the aircraft went to RAF Alconbury . Alconbury closed in 1992 and Bentwaters closed in 1993, with

1805-691: The A10 and north of Royston . UK Trade & Investment for the region is in Histon with its international trade team based next to Magdalene College . The Greater Watford area is home to British Waterways , Vinci (which bought Taylor Woodrow in 2008), the UK of the international firm Total Oil , retailers TK Maxx , Bathstore , Majestic Wine , Mothercare , Costco and Smiths Detection , Iveco , BrightHouse (at Abbots Langley ), Leavesden Film Studios , Sanyo , Europcar , Olympus , Kenwood and Beko electronic goods manufacturers, Wetherspoons pub chains,

1900-506: The A1303 in the east of the town, towards Teversham . South of the airport, Carl Zeiss NTS makes scanning electron microscopes in Cherry Hinton. Syngenta is to the east of Cambridge, on Capital Park at Fulbourn . Premier Foods has a large plant in Histon making Robertson's and Hartley's jam, Gale's honey, Smash instant potato , and Rose's marmalade . Addenbrooke's Hospital

1995-450: The A134 ; Multiyork makes furniture and Baxter Healthcare has a manufacturing plant in the south of the town. Aunt Bessie vegetable products (roast potatoes) are made by Heinz at Westwick , in a factory built by Ross Group . Around Cambridge on numerous science parks , are high technology (electronics and biochemistry) companies, such as ARM Holdings on Peterhouse Technology Park in

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2090-609: The Atlantic lose a lot of moisture over land (and therefore are usually much weaker) by the time they reach Eastern England. Winter (mid-November – mid-March) is mostly cool, but non-prevailing cold easterly winds can affect the area from the continent. These can bring heavy snowfall if the winds interact with a low-pressure system over the Atlantic or France . Northerly winds also can be cold but are not usually as cold as easterly winds. Westerly winds bring milder and, typically, wetter weather. Southerly winds usually bring mild air (if from

2185-491: The British Isles and Netherlands ), recurring low-pressure weather systems are typically known as "low levels". Cyclogenesis is the development and strengthening of cyclonic circulations, or low-pressure areas, within the atmosphere. Cyclogenesis is the opposite of cyclolysis , and has an anticyclonic (high-pressure system) equivalent which deals with the formation of high-pressure areas — anticyclogenesis . Cyclogenesis

2280-520: The Cambridge-Ipswich railway , on the eastern edge of Cambridge. The East of England Ambulance Service is on Cambourne Business Park on Cambourne , of the A428 (the former A45 ) west of Cambridge. The East Anglian Air Ambulance operates from Cambridge Airport and Norwich Airport ; Essex Air Ambulance operates from Boreham . The former electricity company for the area, Eastern Electricity , has

2375-624: The Committee of the Regions , with members drawn from the elected councillors of the local authorities in the region. The final nominations were made by central government. Although they were publicly funded, one of the Regional Assemblies claimed not to be a public authority and therefore not subject to the Freedom of Information Act 2000 . As power was to be devolved to Scotland, Northern Ireland and Wales without corresponding devolution in England,

2470-580: The Earth 's surface. Large-scale thermal lows over continents help drive monsoon circulations. Low-pressure areas can also form due to organized thunderstorm activity over warm water. When this occurs over the tropics in concert with the Intertropical Convergence Zone , it is known as a monsoon trough . Monsoon troughs reach their northerly extent in August and their southerly extent in February. When

2565-555: The English football league system today are Ipswich Town , Norwich City , Watford and Luton Town , who have competed in the top flight at various points. Alongside teams Peterborough United , and Cambridge United . Children's author Dodie Smith lived near the town of Sudbury in Suffolk , and part of her famous novel The Hundred and One Dalmatians which inspired the Disney animated film of

2660-700: The First World War . In 1912, the Third Home Rule Bill was passing through parliament. The Bill was expected to introduce a devolved parliament for Ireland, and as a consequence calls were made for similar structures to be introduced in Great Britain or "Home Rule All Round". On 12 September the First Lord of the Admiralty , Winston Churchill , gave a speech in which he proposed 10 or 12 regional parliaments for

2755-558: The Hadley cell circulation. Monsoon troughing in the western Pacific reaches its zenith in latitude during the late summer when the wintertime surface ridge in the opposite hemisphere is the strongest. It can reach as far as the 40th parallel in East Asia during August and 20th parallel in Australia during February. Its poleward progression is accelerated by the onset of the summer monsoon which

2850-585: The Hemel Hempstead relay transmitter is a relay of the London services from Crystal Palace , bringing London television into parts of Hertfordshire. Northwestern parts of Norfolk including Kings Lynn receive a better TV signal from the Belmont transmitter that broadcast BBC East Yorkshire and Lincolnshire and ITV Calendar . Some editions of Look East and ITV News Anglia broadcast split news programming for

2945-665: The Southern Hemisphere shows that between the 30th and 70th parallels there are an average of 37 cyclones in existence during any 6-hour period. A separate study in the Northern Hemisphere suggests that approximately 234 significant extratropical cyclones form each winter. In Europe, particularly in the United Kingdom and in the Netherlands, recurring extratropical low-pressure weather systems are typically known as depressions. These tend to bring wet weather throughout

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3040-761: The Toddington services ). Luton is home to EasyJet ,(based at the airport ), Hain Celestial Group (which makes Linda McCartney Foods and is based on the B579 in Biscot ), Eurolines (UK office), Thomson Holidays (based at Wigmore on the eastern edge of the town) and Chevrolet (at Griffin House, the Vauxhall head office). At the 85-acre Capability Green off the A1081 and junction 10a of

3135-507: The government office regions , are the highest tier of sub-national division in England . They were established in 1994 and follow the 1974–96 county borders. They are a continuation of the former 1940s standard regions which followed the 1889–1974 administrative county borders. Between 1994 and 2011, all nine regions had partly devolved functions; they no longer fulfil this role, continuing to be used for limited statistical purposes. While

3230-571: The heptarchy . The boundaries of some of these, which later unified as the Kingdom of England , roughly coincide with those of modern regions. During Oliver Cromwell 's Protectorate in the 1650s, the rule of the Major-Generals created 10 regions in England and Wales of similar size to the modern regions. Proposals for administrative regions within England were mooted by the British government prior to

3325-456: The new county structure ". A minority report by Lord Crowther-Hunt and Alan T. Peacock suggested instead seven regional assemblies and governments within Great Britain (five within England), which would take over substantial amounts of the central government. Some elements of regional development and economic planning began to be established in England from the mid-1960s onwards. In most of

3420-634: The pager in 1956, for St Thomas' Hospital ; and Snap-on Diagnostics makes diagnostic tools for garages. British Sugar's Wissington is the world's largest sugar beet factory in Methwold , on the B1160 near the River Wissey . Lotus Cars and Team Lotus are on the eastern edge of the former RAF Hethel , east of Wymondham (A11) at Hethel ( Bracon Ash ). Jeyes Group makes household chemicals in Thetford , off

3515-680: The 1950s and 1960s. In the late 1960s, the Roskill Commission considered Cublington in Buckinghamshire, Thurleigh in Bedfordshire, Nuthampstead in Hertfordshire and Foulness in Essex as locations for a possible third airport for London. A new airport was not built, but a former Royal Air Force base at Stansted , which had previously been converted to civilian use redeveloped and expanded in

3610-653: The 1950s, RAF Wyton was an important reconnaissance base for the RAF, mainly 543 Sqn . The base is now home of the Defence Intelligence Fusion Centre , previously known as JARIC, or the Joint Air Reconnaissance Intelligence Centre from 1956. NHS East of England , which was the strategic health authority for the area until the abolition of these areas in 2013, is on Capital Park, next to Fulbourn Tesco, Fulbourn Hospital , and

3705-581: The 1986 Government Green Paper and 1989 White Paper on The Future of Development Plans , which proposed the introduction of strong regional guidance within the planning system, and by the Government's issuing of Strategic Guidance at a regional level, from 1986 onwards. In April 1994, the John Major ministry created a set of ten Government Office Regions for England. Prior to 1994, although various central government departments had different regional offices,

3800-746: The American air forces being in the area for 42 years; the USAF aircraft subsequently moved to Spangdahlem Air Base in Rhineland-Palatinate , Germany. At RAF Marham in west Norfolk, 214 Sqn with the Vickers Valiant developed the RAF's refuelling system; later the squadron would be equipped with the Handley Page Victor . Work on refuelling had also taken place at RAF Tarrant Rushton in Dorset . From

3895-476: The Atlantic or North Africa ) but chill if coming from further east than Spain. Spring (mid-March – May) is a transitional season that initially can be chilly but is usually warm by late-April/May. The weather at this time is often changeable (within each day) and occasionally showery. Summer (June – mid-September) is usually warm. Continental air from mainland Europe or the Azores High usually leads to at least

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3990-706: The EU, the UK NUTS regions were renamed as International Territorial Level regions in 2021. The East of England was a major force and resource for Parliament and, in particular, in the form of the Eastern Association . Oliver Cromwell came from Huntingdon. Norfolk, Suffolk and Essex played host to the American VIII Bomber Command and Ninth Air Force . The Imperial War Museum at Duxford has an exhibition, commemorating their participation and sacrifice, near to

4085-422: The East have warm and settled weather, but only in rare years is there an Indian summer where fine weather marks the entire traditional harvest season. Dust devils were reported in Essex and Cambridgeshire on 17 August 2024, causing minor injuries and some disruption. These small whirlwinds, which form from the ground up, are less powerful than tornadoes. In Essex, they caused tents and gazebos to be lifted during

4180-1130: The European HQ of the Hilton hotel group and Nestlé Waters; in Garston is the UK headquarters of the Seventh-day Adventist Church , on the A412 and the Building Research Establishment . Comet Group and Camelot Group (owners of the National Lottery ), on the A4145 , are in Rickmansworth . Ferrero (maker of Nutella and Kinder Chocolate ) is in Croxley Green . Renault and Skanska (construction) are in Maple Cross . Moto Hospitality has its headquarters at Toddington in Bedfordshire (at

4275-434: The European Union ; and as statistical NUTS level 1 regions. Since 1 July 2006, there have also been ten strategic health authorities , each of which corresponds to a region, except for South East England , which is divided into western and eastern parts. In 1998, regional chambers were created in the eight English regions outside London under the provisions of the Regional Development Agencies Act 1998 . The powers of

4370-401: The Hardwick Industrial Estate at the A47/ A149 junction is PinguinLutosa the UK, which packs frozen vegetables , and Caithness Crystal . Foster Refrigerator is the UK's leading manufacturer of commercial refrigerators and blast chillers , owned by Illinois Tool Works , based on the industrial estate; with Multitone Electronics , which has a manufacturing plant there, and which invented

4465-471: The M1, is the Stonegate Pub Company (owner of Scream Pubs , Yates's , Slug and Lettuce and Hogshead ), InBev UK (which bought most of Whitbread's beer brands), Chargemaster ( electric vehicle network under the POLAR brand), AstraZeneca 's UK Marketing Company division and Alexon Group (ladies clothing). Vauxhall produced its last Vauxhall Vectra in March 2002 at the plant near the A6/A505 roundabout, and now makes vans ( Vivaro / Renault Trafic ) at

4560-426: The M11 south of Cambridge. Stansted Airport was RAF Stansted Mountfitchet , home to the 344th Bombardment Group . The de Havilland Mosquito was mainly assembled at Hatfield and Leavesden, although much of the innovative wooden structure originated outside the region from the furniture industry of High Wycombe ; the Mosquito entered service in 1942 with 105 Sqn at RAF Horsham St Faith . RAF Tempsford in Bedford

4655-436: The Regional Chambers should be phased out of existence by 2010. The same year, nine Regional Ministers were appointed by the incoming Brown ministry . Their primary goal was stated as being to improve communication between central government and the regions of England. The assemblies were effectively replaced by smaller local authority leaders' boards between 2008 and 2010, and formally abolished on 31 March 2010, as part of

4750-443: The UK was UK and the NUTS standard had hierarchy of three levels, with 12 first level regions, which are currently mirrored by the ITL classification, of which 9 regions are in England . The sub-structure corresponds to administrative divisions within the country. Formerly, the further NUTS divisions IV and V existed; these have now been replaced by Local Administrative Units (LAU-1 and LAU-2 respectively). Between 1994 and 2011,

4845-433: The UK was a member of the European Union , they defined areas ( constituencies ) for the purposes of elections to the European Parliament . Eurostat also used them to demarcate first level Nomenclature of Territorial Units for Statistics (NUTS) regions ("NUTS 1 regions") within the European Union , which in 2021 were superseded by International Territorial Level (ITL) regions ("ITL 1 regions"). The London Region has

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4940-449: The UK. Twenty percent of the region is below mean sea level, most of this in North Cambridgeshire, Norfolk and on the Essex Coast. Most of the remaining area is of low elevation, with extensive glacial deposits. The Fens , a large area of reclaimed marshland, are mostly in North Cambridgeshire. The Fens include the lowest point in the country in the village of Holme : 2.75 metres (9.0 ft) below mean sea level. This area formerly included

5035-476: The United Kingdom. Within England, he suggested that London, Lancashire, Yorkshire, and the Midlands would make natural regions . While the creation of regional parliaments never became official policy, it was for a while widely anticipated and various schemes for dividing England devised. By the 1930s, several competing systems of regions were adopted by central government for such purposes as census of population, agriculture, electricity supply, civil defence and

5130-450: The West (Home Counties) and East (East Anglia/Essex) of the region, with the West subregions broadcasting from Sandy Heath; the BBC's Western opt-outs are broadcast from studios in Cambridge, also the base of BBC Radio Cambridgeshire , whilst both versions of the ITV Anglia output have broadcast from Anglia House in Norwich since the split service was introduced in 1990. Regions of England The regions of England , formerly known as

5225-419: The area's distribution now looked after by UK Power Networks at Fore Hamlet in Ipswich . UK Power Networks also looks after London and most of the South-East. Business Link in the East of England is near to the headquarters of Ocado in Hatfield, at the roundabout of the A1057 and the A1001 on the Bishops Square Business Park. The region's Manufacturing Advisory Service is at Melbourn in Cambridgeshire, off

5320-408: The assemblies were limited, and members were appointed, largely by local authorities, rather than being directly elected. The functions of the English regions were essentially devolved to them from Government departments or were taken over from pre-existing regional bodies, such as regional planning conferences and regional employers' organisations. Each assembly also made proposals for the UK members of

5415-705: The atmosphere, conditions are more favorable for disturbances to develop. Low amounts of wind shear are needed, as high shear is disruptive to the storm's circulation. Lastly, a formative tropical cyclone needs a pre-existing system of disturbed weather, although without a circulation no cyclonic development will take place. Mesocyclones form as warm core cyclones over land, and can lead to tornado formation. Waterspouts can also form from mesocyclones, but more often develop from environments of high instability and low vertical wind shear . In deserts , lack of ground and plant moisture that would normally provide evaporative cooling can lead to intense, rapid solar heating of

5510-425: The body of open water known as Whittlesey Mere . The highest point in the region is at Clipper Down at 817 ft (249 m) above mean sea level, in the far southwestern corner of the region in the Ivinghoe Hills . Communities known as New Towns , responses to urban congestion and World War II destruction, appeared in Basildon and Harlow (Essex), as well as in Stevenage and Hemel Hempstead (Hertfordshire), in

5605-416: The city, Colman's makes a wide range of mustards, and Britvic makes Robinsons squash, which was owned by Colman's until 1995. Across the River Yare near the A47/ A146 junction in Trowse with Newton is May Gurney , the construction company. Bernard Matthews Farms has a large turkey farm on the former RAF Attlebridge in Weston Longville . Campbell Soup was made in Kings Lynn until 2008, and on

5700-418: The creation of eight provinces in England, which would see power devolved from central government. Edward Heath 's administration in the 1970s did not create a regional structure in the Local Government Act 1972 , waiting for the Royal Commission on the Constitution , after which government efforts were concentrated on a constitutional settlement in Scotland and Wales for the rest of the decade. In England,

5795-424: The day. At night the absorptive effect of clouds on outgoing longwave radiation , such as heat energy from the surface, allows for warmer night-time minimums in all seasons. The stronger the area of low pressure, the stronger the winds experienced in its vicinity. Globally, low-pressure systems are most frequently located over the Tibetan Plateau and in the lee of the Rocky Mountains . In Europe (particularly in

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5890-405: The difference between temperatures aloft and sea surface temperatures is the greatest. However, each particular basin has its own seasonal patterns. On a worldwide scale, May is the least active month while September is the most active month. Nearly one-third of the world's tropical cyclones form within the western Pacific Ocean, making it the most active tropical cyclone basin on Earth . Wind

5985-473: The division of seats favours the dominant party in the region and the Conservatives had 52, Labour 4 ( Cambridge , Luton South , Luton North and Norwich South ), UKIP 1 ( Clacton ) and 1 Liberal Democrat ( North Norfolk ). In the 2019 United Kingdom general election , the Conservatives gained Peterborough and Ipswich from Labour. They also gained North Norfolk from the Liberal Democrats but lost St Albans to Daisy Cooper . The East of England Plan,

6080-420: The existing eight Local Authority Leaders' Boards, with their statutory functions also being assumed by local councils. The boards in most cases continue to exist as voluntary associations of council leaders, funded by the local authorities themselves. No appointments as Regional Ministers were made by the incoming UK government in 2010. These changes did not affect the directly elected London Assembly , which

6175-606: The flow around Rossby waves migrate equatorward of the polar cyclones located in both the Northern and Southern hemispheres. All share one important aspect, that of upward vertical motion within the troposphere. Such upward motions decrease the mass of local atmospheric columns of air, which lowers surface pressure. Extratropical cyclones form as waves along weather fronts due to a passing by shortwave aloft or upper-level jet streak before occluding later in their life cycle as cold-core cyclones. Polar lows are small-scale, short-lived atmospheric low-pressure systems that occur over

6270-466: The following decades. The East of England succeeded the standard statistical region East Anglia (which excluded Essex , Hertfordshire and Bedfordshire , then in the South East ). The East of England civil defence region was identical to today's region. Essex, despite meaning East-Saxons, previously formed part of South East England , along with Bedfordshire and Hertfordshire, a mixture of definite and debatable Home counties . The earliest use of

6365-409: The former Bedford Vehicles plant, based in the north of the town at the GM Manufacturing Luton plant. The economy in Norfolk, Cambridgeshire and Suffolk is traditionally mostly agricultural. Norfolk is the UK's biggest producer of potatoes. Nationally known companies include the RAC , Archant (publishing), Virgin Money and Aviva (formerly Norwich Union ) in Norwich. In Carrow, to the east of

6460-545: The land cools off quickly, but the ocean keeps the heat longer due to its higher specific heat. The hot air over the ocean rises, creating a low-pressure area and a breeze from land to ocean while a large area of drying high pressure is formed over the land, increased by wintertime cooling. Monsoons resemble sea and land breezes , terms usually referring to the localized, diurnal (daily) cycle of circulation near coastlines everywhere, but they are much larger in scale - also stronger and seasonal. Large polar cyclones help determine

6555-403: The land, bringing the moist near-surface air over the oceans with it. Similar rainfall is caused by the moist ocean-air being lifted upwards by mountains , surface heating, convergence at the surface, divergence aloft, or from storm-produced outflows at the surface. However the lifting occurs, the air cools due to expansion in lower pressure, which in turn produces condensation . In winter,

6650-407: The lower layers of air. The hot air is less dense than surrounding cooler air. This, combined with the rising of the hot air, results in a low-pressure area called a thermal low . Monsoon circulations are caused by thermal lows which form over large areas of land and their strength is driven by how land heats more quickly than the surrounding nearby ocean. This generates a steady wind blowing toward

6745-456: The majority of the Commission "suggested regional coordinating and advisory councils for England, consisting largely of indirectly elected representatives of local authorities and operating along the lines of the Welsh advisory council". One-fifth of the advisory councils would be nominees from central government. The boundaries suggested were the "eight now [in 1973] existing for economic planning purposes, modified to make boundaries to conform with

6840-759: The nine regions had an administrative role in the implementation of UK Government policy, and as the areas covered by (mostly indirectly) elected bodies. Local government in England does not follow a uniform structure. Therefore, each region is divided into a range of further subdivisions . London is divided into London boroughs and the City of London , while the other regions are divided into metropolitan counties , shire counties and unitary authorities . Counties are further divided into districts and some areas are also yet further divided into civil parishes . Regions are also divided into sub-regions, which usually group socio-economically linked local authorities together. However,

6935-423: The northern hemisphere (as the wind moves inward and is deflected right from the center of high pressure) and clockwise circulation in the southern hemisphere (as the wind moves inward and is deflected left from the center of high pressure). A tropical cyclone differs from a hurricane or typhoon based only on geographic location. A tropical cyclone is fundamentally different from a mid-latitude cyclone. A hurricane

7030-773: The ocean areas poleward of the main polar front in both the Northern and Southern Hemispheres. They are part of the larger class of mesoscale weather-systems. Polar lows can be difficult to detect using conventional weather reports and are a hazard to high-latitude operations, such as shipping and offshore platforms . They are vigorous systems that have near-surface winds of at least 17 metres per second (38 mph). Tropical cyclones form due to latent heat driven by significant thunderstorm activity, and are warm-core with well-defined circulations. Certain criteria need to be met for their formation. In most situations, water temperatures of at least 26.5 °C (79.7 °F) are needed down to

7125-414: The pressure difference, or pressure gradient , between a high-pressure system and a low-pressure system, the stronger the wind. Thus, stronger areas of low pressure are associated with stronger winds. The Coriolis force caused by the Earth 's rotation is what gives winds around low-pressure areas (such as in hurricanes , cyclones , and typhoons ) their counter-clockwise (anticlockwise) circulation in

7220-537: The purposes of statistical analysis, simply as Regions. International Territorial Level (ITL) is a geocode standard for referencing the subdivisions of the United Kingdom for statistical purposes, used by the Office for National Statistics (ONS). Between 2003 and 2021, as part of the European Union and European Statistical System , the geocode standard used for the United Kingdom were Nomenclature of Territorial Units for Statistics or NUTS . The NUTS code for

7315-437: The region do. The largest university by student numbers is ARU, and the next biggest is Cambridge. The smallest is Essex. For total income to universities, Cambridge receives around £1 billion—around six times larger than any other university in the region. The University of Bedfordshire receives the least income. Cambridge has the lowest drop-out (discontinuation) rate in the region. Once graduated, over 50% of students stay in

7410-556: The region include University Centre Peterborough , University of Suffolk and Writtle College . . The University of Cambridge receives almost three times as much funding as any other university in the region, due to its huge research grant—the largest in England (and the UK). The next largest, by funding, is UEA in Norwich. The University of Essex and Cranfield University also have moderately large research grants, but no other universities in

7505-663: The region, with 25% going to London and 10% going to the South East. Very few go elsewhere—especially the North of England. During the nineteenth century, several formulations of the laws of football, known as the Cambridge rules , were created by students at the University. One of these codes, dating from 1863, had a significant influence on the creation of the original laws of The Football Association . East of England's top representatives in

7600-640: The region. Cambridge hosts two universities: the University of Cambridge and Anglia Ruskin University . It is also the home of the Open University 's East of England branch. Norwich also hosts two universities: the University of East Anglia and Norwich University of the Arts . There are also other towns and cities in the region which have universities including Bedford and Luton ( University of Bedfordshire ), Colchester ( University of Essex ) and Hatfield ( University of Hertfordshire ). Other higher education centres in

7695-471: The regional local authority leaders' boards created in 2009. Regional ministers were not reappointed by the incoming Coalition Government , and the Government Offices were abolished in 2011. From 2011, combined authorities have been introduced in some city regions , with similar responsibilities to the former regional chambers (and in some cases, replacing a regional local authority leaders' board on

7790-480: The regions also had an associated (central) Government Office with some responsibility for coordinating policy, and, from 2007, a part-time regional minister within the Government. House of Commons regional Select Committees were established in 2009. However, the chambers and select committees were abolished in May 2010, restoring these functions to the main tier of local government, with limited functions transferred to

7885-609: The regions they used tended to be different and ad hoc . The stated purpose was as a way of co-ordinating the various regional offices more effectively: they initially involved the Department of Trade and Industry , Department of Employment , Department of Transport and the Department for the Environment . Following the Labour Party 's victory in the 1997 general election , the government created regional development agencies . Around

7980-418: The regulation of road traffic. Nine "standard regions" were set up in 1946, in which central government bodies, statutory undertakings and regional bodies were expected to cooperate. However, these had declined in importance by the late 1950s. Creation of some form of provinces or regions for England was an intermittent theme of post- Second World War British governments. The Redcliffe-Maud Report proposed

8075-684: The same name takes place in the town at St Peter's Church. Much of the region receives the BBC East and ITV Anglia television services, both based in Norwich (the BBC moving from All Saints' Green to The Forum in 2003, and Anglia remaining at its original base, Angia House.) These services broadcast from the Sandy Heath , Sudbury and Tacolneston transmitter groups. Some areas in close proximity to London, including Luton and south Essex , may receive their service from BBC London and ITV London ; in addition,

8170-399: The smaller mesoscale . Subtropical cyclones are of intermediate size. Cyclogenesis can occur at various scales, from the microscale to the synoptic scale. Larger-scale troughs, also called Rossby waves, are synoptic in scale. Shortwave troughs embedded within the flow around larger scale troughs are smaller in scale, or mesoscale in nature. Both Rossby waves and shortwaves embedded within

8265-690: The south-east of the town, Adder Technology ( KVM switches ) at Bar Hill at the A14 /B1050 junction north of the town, Monsanto , Play.com on the Cambridge Business Centre. The Wellcome Trust Genome Campus has the European Bioinformatics Institute at Hinxton east of Duxford near the M11 spur for the A11. These form the so-called Silicon Fen . Marshall Aerospace is at Cambridge Airport on

8360-561: The standard regions, Economic Planning Councils and Boards were set up, comprising appointed members from local authorities, business, trade unions and universities, and in the early 1970s, these produced a number of regional and sub-regional planning studies. These institutions continued to operate until they were abolished by the incoming Conservative government in 1979. However, by the mid-1980s local authorities in most regions had jointly established standing conferences to consider regional planning issues. Regional initiatives were bolstered by

8455-565: The steering of systems moving through the mid-latitudes, south of the Arctic and north of the Antarctic . The Arctic oscillation provides an index used to gauge the magnitude of this effect in the Northern Hemisphere. Extratropical cyclones tend to form east of climatological trough positions aloft near the east coast of continents, or west side of oceans. A study of extratropical cyclones in

8550-681: The sub-regions have no official status and are little used other than for strategic planning purposes. Low-pressure area Diverging winds aloft, ahead of these troughs, cause atmospheric lift within the troposphere below as air flows upwards away from the surface, which lowers surface pressures as this upward motion partially counteracts the force of gravity packing the air close to the ground. Thermal lows form due to localized heating caused by greater solar incidence over deserts and other land masses. Since localized areas of warm air are less dense than their surroundings, this warmer air rises, which lowers atmospheric pressure near that portion of

8645-657: The term is from 1695. Charles Davenant , in An essay upon ways and means of supplying the war , wrote, "The Eleven Home Counties, which are thought in Land Taxes to pay more than their proportion..." then cited a list including these four. The term does not appear to have been used in taxation since the 18th century. East Anglia is one of the driest parts of the United Kingdom, with average rainfall ranging from 450 to 750 mm (18 to 30 in). The area receives such low rainfall amounts because low pressure systems and weather fronts from

8740-465: The world's rainforests are associated with these climatological low-pressure systems. Tropical cyclones generally need to form more than 555 km (345 mi) or poleward of the 5th parallel north and 5th parallel south , allowing the Coriolis effect to deflect winds blowing towards the low-pressure center and creating a circulation. Worldwide, tropical cyclone activity peaks in late summer, when

8835-692: The year. Thermal lows also occur during the summer over continental areas across the subtropics - such as the Sonoran Desert , the Mexican Plateau , the Sahara , South America , and Southeast Asia. The lows are most commonly located over the Tibetan Plateau and in the lee of the Rocky Mountains. Elongated areas of low pressure form at the monsoon trough or Intertropical Convergence Zone as part of

8930-417: Was 6,398,497. Bedford , Luton , Basildon , Peterborough , Southend-on-Sea , Norwich , Ipswich , Colchester , Chelmsford and Cambridge are the region's most populous settlements. According to Census 2021 , Peterborough is the largest city in the East of England at 215,000. The southern part of the region lies in the London commuter belt . The East of England region has the lowest elevation range in

9025-477: Was established by separate legislation as part of the Greater London Authority . In 2011, Greater London remains administered by the Greater London Authority, which consists of an elected London Assembly and a separately elected Mayor of London . Following the abolition of the Government Offices in 2011, it was announced that the former Government Office Regions (GOR) would henceforth be known, for

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