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Topic: The Severn Bore


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In the News (Thu 24 Dec 09)

  
 River Severn - Wikipedia, the free encyclopedia
The two bridges of the Severn crossing carrying roads (opened in 1966 and 1996) link Wales with the southern counties of England and are among the most important in Britain.
A curious phenomenon associated with the lower reaches of the Severn is the tidal phenomenon known as the bore.
The bore forms somewhat upstream of the Port of Sharpness, which is also the Southern terminus of the Gloucester and Sharpness Canal.
en.wikipedia.org /wiki/River_Severn   (563 words)

  
 BBC - Gloucestershire - The Severn Bore
Known as the Severn Bore it is a large tidal wave that works its way up the Severn Estuary, cascading through the English countryside over a distance of 25 miles between Awre and Gloucester.
Bores on the River Severn happen throughout the year, but it is only the spectacular ones that most people want to see.
The Severn Bore is one of only three surfable tidal waves the others being on the River Yangtze in China and the Bay of Fundy in Canada.
www.bbc.co.uk /gloucestershire/interactive/interactive_map/gloucester/severn_bore.shtml   (928 words)

  
 River Severn -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-09-19)
The Severn is bridged at many places, and many of these bridges are notable in their own right, with several designed and built by the engineer (Click link for more info and facts about Thomas Telford) Thomas Telford.
One of the several rivers named (A county in southwestern England) Avon joins the Severn at (The final battle of the War of the Roses in 1471 in which Edward IV defeated the Lancastrians) Tewkesbury, (A county in southwestern England in the lower Severn valley) Gloucestershire.
The Severn Bore is a natural example of a self-reinforcing solitary wave or ((physics) a quantum of energy or quasiparticle that can be propagated as a traveling wave in nonlinear systems and is neither preceded nor followed by another such disturbance; does not obey the superposition principle and does not dissipate) soliton.
www.absoluteastronomy.com /encyclopedia/r/ri/river_severn.htm   (604 words)

  
 BBC - Gloucestershire Weather - Severn Bore
The arrival of spring is the cue for interest to rise in that great natural phenomena, the Severn Bore, a truly tidal wave which can reach a height of three metres in mid-stream.
Bores occur on about 260 days a year but most of these are very small.
Bores in 2003 are only expected to reach the level of four star.
www.bbc.co.uk /gloucestershire/weather/2004/01/severn_bore.shtml   (604 words)

  
 Kayak & Canoe News, Spots, UK, England, Gloucester, River Severn, Severn Bore
The Severn Bore is the most famous of these strange phenomena.
Each Bore is given a rating from 1 to 5, with 5* normally only during spring tides.
The Severn Bore is an extremely strong wave.
playak.com /article.php?sid=97   (498 words)

  
 Paddler Magazine Online : Hunting Wild Bore
Crawling upriver capsizing boats and scouring the banks, tidal bores are moving waves or holes that rise from the ocean, appearing at full or new moons, their size depending on weather, swell and season.
Typically, the bore’s leading edge is smooth and glassy where the river is deepest in the middle and breaks along the banks where friction is greater.
Dragged upstream at speeds up to 13 mph, the Severn bore can be a glassy swell, a monstrous breaking wave or even a moving hole as it cruises the English countryside, turning the peaceful river into an inland surf zone.
www.paddlermagazine.com /issues/2003_3/article_225.shtml   (941 words)

  
 PJs Surfshop - The Severn Bore
The funnel-shape of the Bristol Channel is perfect for the formation of tidal bores in the upper reaches of the Severn Estuary near Gloucester.
As riding the bore is popular, you will find yourself jostling with a number of canoeists, jet skis, inflatables and other surfers in the river while waiting for the bore to arrive.
As the bore travels up river around corners the wave surges from one bank to another and you need to be where the concentration of the surge occurs to ride the bore any distance.
www.pjsurfshop.co.uk /bore.htm   (493 words)

  
 Tovster`s Tides FAQ (Part 4)
The River Severn (Avon/Gloucester) in the UK is the home of bore surfing, the bore has reached a height of 2.8m and speeds of 16Km/h, the best ones occur around the equinoxes.
Bores can be small and barely noticeable to large waves moving fast and spectacularly upriver, the River Severn has over 250 bores a year.
Bore surfing is surfing a tidal river bore - being carried along a river by the bore as it crashes its way upstream.
www.marktovey.co.uk /tides4.html   (1283 words)

  
 [No title]   (Site not responding. Last check: 2007-09-19)
During a recent trip to the UK I was fortunate to witness the Severn bore on two occasions, on the mornings of 8th (photo below) and 9th September 1998.
For a bore to form, a considerable rise in tide is needed in a converging channel with a rising river bed, forming a funnel shape.
In the most favourable conditions, the Severn Bore may reach two metres in height.
www.usq.edu.au /users/smithrod/severn.htm   (292 words)

  
 BBC - Coast - Bristol to Cardigan Bay
The River Severn, the longest river in Britain (350km or 220 miles) is home to one of the most extraordinary natural phenomena - the Severn Bore.
Bores are naturally occurring tidal waves occurring in the lower reaches of about 60 rivers throughout the world and 8 in the UK.
The size of the bores can be predicted and The Environment Agency predict and "star" the bores, posting information, timetables and the best viewing points on their website and in leaflets.
www15.thdo.bbc.co.uk /coast/programmes/03-bristol-cardigan-bay.shtml   (1107 words)

  
 Severn Bore   (Site not responding. Last check: 2007-09-19)
The bank of the Severn was high, covered in thick mud, making it difficult to get to the waters edge, so we had to slide down the bank in boats, apart I hit the first drop wrong and got the front of my boat stuck in about a foot of mud.
Whilst waiting for the bore Alfie and Phil started to make a sand castle on a sandbank, but it turned out to be a sort of sculpture with Alfie's Sabre held up on end by two paddles.
The bore itself was not too spectacular, with one main surfing wave and a number of standing waves behind it.
www.nckc.org.uk /newbreakout/1991/bore.htm   (183 words)

  
 www.efluids.com   (Site not responding. Last check: 2007-09-19)
It may form a "bore," which is a traveling form of hydraulic jump.
The Hooghy estuary in India and that of the Tsien Tang in China have the biggest bores.
The Severn bore is seen here in a turbulent condition crossing water that is about 20 cm deep over Rodley Sands opposite Framilode.
www.efluids.com /efluids/gallery_old/turbulent_bore.htm-0   (126 words)

  
 The Severn Bore, The Wonder of Britain
It appears that the Lower Parting, the southern tip of the Isle of Alney, was a regular place for the Gloucester residents to watch the bore.
Another vivid description of the sheer power and majesty of the bore is given by Mr Frank Buckland in 1874.
This is in part due to disappointing displays by the bore in recent years.
www.tidalbore.info /england/severn_wonder.html   (900 words)

  
 Bore Riders Club - The Severn Bore   (Site not responding. Last check: 2007-09-19)
Nestled in the heart of rural Gloucestershire, the River Severn exhibits a tidal bore over a distance of around 25 miles.
Enshrouded in myth, history and legend, the bore has been both the destroyer and the saviour of the local inhabitants.
Potent Sabrina, the Celtic goddess of the Severn, would stir up the river with her fury and anger, then ride the wild turbulant waters against the natural river flow.
www.boreriders.com /Severn.html   (243 words)

  
 The Great Flood of 1606 :: Tom Wright   (Site not responding. Last check: 2007-09-19)
The Severn Bore wave, as far as I understand, is a phenomenon of the Severn mouth and does not extend as far as Cardiff, let alone those more western coasts of the Bristol Channel.
With regards to the Severn Bore, I was not suggesting that this was the direct cause.
The bore is simply a product of the tide and, in the case of storm surge coincidence with the syzygy tides, the bore would be exagerated.
www.severnsolutions.co.uk /twblog/archive/2005/01/06/greatflood1606   (4310 words)

  
 The Severn Bore, Chasing The Bore
As the bore travels along its 28km course it varies in size, shape and form regularly, as the topography of the river varies.
It is possible to watch the bore at more than five different locations on a single tide, from both the west and east bank.
The bore always looks impressive as it appears in view hugging the east bank below the Parting, but generally it is fairly small in the channel up towards the bridge.
www.tidalbore.info /england/severn_chase.html   (1581 words)

  
 Severn - Newnham on Severn - Forest of Dean, Gloucestershire
THE WELSH PORTAL of the Severn Tunnel is 4 miles 624 yards from the Gloucestershire entrance, and of this distance 2ΒΌ miles are underneath the River Severn.
Severn Sailing Association is a premier one design racing club in Annapolis Maryland.
Severn Group plc a services business that assists international organisations with the implementation of strategic change through our subsidiary companies.
www.globalinfogroup.com /glig/severn.html   (412 words)

  
 Gloucestershire Message Boards > photos OF Glos   (Site not responding. Last check: 2007-09-19)
A bore occurs when the tide rises in the Severn estuary and the water is funneled into the narrow river channel.
The size of the bore could increase or decrease depending on wind and weather conditions, percentage of freshwater and due to the river's vast tidal range.
Local fishermen and farmers would be used to the natural phenomenon of the Severn Bore but this was beyond their experience.
www.softdata.co.uk /forums/lofiversion/index.php?t474.html   (1612 words)

  
 Severn bore
As the bore passes, the depth of water in the river instantly rises and may flood the bank.
The height of the bore depends on a number of factors but the most important is the tidal range.
Depending on the depth of water, the bore may be a smooth wave or have a breaking crest.
www.btinternet.com /~motorboat/bore.htm   (408 words)

  
 To print this page, choose 'Print..' from the File menu of your browser
The media love the bore - there are always camera crews and reporters there on the biggest bores, not to mention plenty of spectators hanging over bridges and slipping down river banks.
The Severn Bore is the second largest tidal bore in the world (the largest is the Tsien Tang in China, which is said to get up to 25’ high and can be heard 14 miles away).
The bore was first ‘surfed’ in the 1930’s in boats returning upriver on an ebbing tide.
www.travelintelligence.net /wsd/articles/art4print_82.html   (789 words)

  
 Severn Arches
Going upstream from the mouth of the Severn, the first arch bridge that you will see that is in use is the single span at Maisemore, completed in 1956, after an interruption caused by the war.
This elegant three arch bridge spans the River Severn at Bewdley, carrying the B4190 road.
Visit Severn bridges book for details of a very useful book by Chris Witts, who has spent much of his working life on the River Severn.
www.brantacan.co.uk /severn_arches.htm   (1512 words)

  
 Bore - BK Bore   (Site not responding. Last check: 2007-09-19)
Seine river mascaret at Quillebeuf A bore is a positive surge (1) of tidal origin.
Big Red's big bore turned out to be a big bore on the freeway, but a blast in the dirt, due to its motocross-inspired suspension and XR600R frame.
Bore Place is situated in the Kent countryside, SW of Sevenoaks, near Bough Beech Taxis are available from Sevenoaks Station forecourt to Bore Place.
hispider.com /?q=bore   (577 words)

  
 The Severn Bore, Gloucestershire, England
The River Severn is the longest river in Britain.
Finally, with an unnerving silence, the bore is halted in its charge by the weir at Maisemore.
A brief synopsis of nearly 50 years of Severn bore surfing with some surfing images from the Bore Riders Club.
tidal-bore.tripod.com /england/severn.html   (406 words)

  
 The Severn Bore Page
It is a large surge wave that can be seen in the estuary of the River Severn, where the tidal range is the 2nd highest in the world, being as much as 50 feet (approx.
As many as 60 bores occur throughout the world where the river estuary is the right shape and the tidal conditions are such that the wave is able to form.
The shape of the Severn estuary is such that the water is funnelled into an increasingly narrow channel as the tide rises, thus forming the large wave.
www.severn-bore.co.uk   (442 words)

  
 The Severn bore
The bore is a surge wave which forms in the funnel-shaped Severn estuary and travels upstream as a sequence of three or four unbroken waves.
Most of the year’s bores are unspectacular but each year there are about 130 days with high and medium bores up to six feet in height, twice each day.
About a dozen times each year the bore is large enough to be ridden and this has been done with all manner of river craft including canoes and windsurfers as well as surf boards.
www.h-g-canal.org.uk /bore.htm   (1002 words)

  
 UKww - Viewing a thread - Severn Bore or Tsunami of 27th January 1607 - UK Weather forecasts, warnings & forums   (Site not responding. Last check: 2007-09-19)
Archaeology in the Severn Estuary, 13 (for 2002), 163-167.
I have been in Gloucester during a near flood and then seen the effect of the incoming bore on top of this, I am talking a rise of 9 to 10 feet in 1 hour, enough to make you run when it is crossing flat land.
A BBC Timewatch programme was filmed in the summer of 2004 in conjunction with Haslett and Bryant's research and fieldwork, and is scheduled to be shown early in 2005, although some re-editing may be needed in response to the Asian tsunami.
ukweatherworld.co.uk /forum/forums/thread-view.asp?tid=15065&start=1   (2812 words)

  
 River Severn
The River Severn is our nearest large river, it is 350km long and flows from its source in the Cambrian Mountains in Wales, to its mouth in the Bristol Channel.
Watch the Landmarks video (Follow the River Severn) carefully, especially the information about the features you would find along the course of the river, in the three stages of it’s course — the upper, middle and lower course.
You could really see where the Severn Bore washed away the soil from the river bank.
www.sln.org.uk /geography/river_severn.htm   (438 words)

  
 UKww - Viewing a thread - Severn Bore or Tsunami of 27th January 1607 - UK Weather forecasts, warnings & forums   (Site not responding. Last check: 2007-09-19)
But on its nearer approach, which seemed faster than the birds could fly, they saw that it was the violence of the waters which seemed to have broken bounds, and were pouring in to deluge the whole land.
There may be some way of finding out IF a neap tide occurred on that date....but the date is a problem, as it could be from the old calender which would make it a couple of weeks later in our calender...yet I'm confident that theres a way of working out the neap tides.
The thing that puzzles me is the 'maybe not true account' of the girl stranded for 2 days on a mound.......surely a bores tidal wave would dimish rapidly with the low tide??....and the surrounding land largely drained....if there was 40odd feet of water...
www.ukweatherworld.co.uk /forum/forums/thread-view.asp?tid=15065&start=1   (1964 words)

  
 Longwave. Tidal Bore Surfing Film documenting World's longest rideable waves from Severn Bore to Pororoca
Tom Wright talking about Mad Jack Churchill the first ever tidal bore surfer, who rode the Severn bore in 1955; part of the untold story coming soon on The Longwave DVD.
This is a clip of Steve King and Tom Wright from the introductory segment of Longwave, surfing the Severn and the Amazon, a taste of waves to come in the film.
The film was shown in the White Hart pub at Broadoak, Newnham on Severn, as part of the 50th Celebration of tidal bore surfing.
www.thelongwave.com   (470 words)

  
 Gloucester Press Release 26.03.02 Severn Bore
People intending to watch the spectacle of the Severn Bore this weekend should make sure they go with a qualified guide.
That's the advice from City Council countryside experts - in advance of what is expected to be the biggest river bore of the year.
The river bores are given a star grading - with five stars denoting the highest.
www.glos-city.gov.uk /libraries/templates/page.asp?URN=984   (181 words)

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