The National Oceanography Centre, which records tides at tidal gauges placed in about 55 ports of the UK Tide Gauge Network on an ongoing basis, records the highest mean tidal change between 1987 and 2007 at Avonmouth in the Severn Estuary of.

The stone is far above the highest tides and the tradition is not likely to be of great antiquity, being first mentioned in John Prince's Worthies of Devon in 1697.

During the highest tides rising water is funnelled up the estuary into a wave that travels upstream against the river current at a speed of 8 to 13 miles per hour.

The Guinness Book of World Records ( 1975 ) declared that Burntcoat Head, Nova Scotia has the highest tides in the world:

The quest for world tidal dominance has led to a rivalry between the Minas Basin in the Bay of Fundy and the Leaf Basin in Ungava Bay, over which body of water lays claim to the highest tides in the world, with supporters in each region claiming the record.

The tide at Leaf Basin is higher on average than tides at Minas Basin ; however, the highest recorded tidal ranges ever measured are at Burntcoat Head and result from spring tides measured at the peak of the tidal cycle every 18 years.

Species at higher elevations can benefit from a greater chance of inundation at the highest tides when increased water depths and marsh surface flows can penetrate into the marsh interior.

Famous examples of this effect are found in the Bay of Fundy, where the world's highest tides are reportedly found, and in the Bristol Channel.

Baytown, Texas reported tides, and Morgan City reported, the highest recorded as a result of Alicia.

This provided a very effective barrier against the sea's tremendous power, but consequently the highest tides were forced southwards.

Five Islands is a rural community in Colchester County Nova Scotia with a population of 300 located on the north shore of the Minas Basin, home of the highest tides in the world.

The length of this cycle is linked to many phenomena in nature, such as the variation between spring and neap tides ( the extreme highest and lowest tides, respectively ).

The rise and fall of the tides at Penarth are the second highest recorded anywhere in the world and on occasions when certain moon phases coincide with the spring and autumn equinoxes the sea level can overspill the esplanade wall and flood the roadway, particularly if in conjunction with a high wind.

* Bay of Fundy, an Atlantic Canadian bay home to the highest tides in the world

This knowledge also enabled them to select Lothal's location in the first place, as the Gulf of Khambhat has the highest tidal amplitude and ships can be sluiced through flow tides in the river estuary.

A series of transition zones occur from the salt marsh to scrub, where young trees attempt to grow despite the threat of the highest tides, to ancient woodland on the higher slopes.

The highest tides produced by the storm lashed Nueces County.

Upper reaches of Bristol Bay experience some of the highest tides in the world.

The mean high water spring is the highest level that spring tides reach on the average over a period of time ( often 19 years ).

Llanddwyn Island is a tidal island ; it remains attached to the mainland at all but the highest tides.

At the time of highest tides much of the island can be inundated.

Located on King Sound, Derby has the highest tides in Australia, with the peak differential between low and high tide reaching 11. 8 metres.

Scores above 0 are " ranked ", with the highest score being ranked 1st, the next-highest 2nd, and so on.

* 2008 – The Trump International Hotel and Tower in Chicago is topped off at, at the time becoming the world's highest residence above ground-level.

At above the valley floor, the pair were at the highest elevation above the Lunar Module of any other Apollo mission.

An afterglow may appear above the highest clouds in the hour of deepening twilight, or reflected from the high snowfields in mountain regions long after sunset.

However, the nickname is also factually accurate, as the city ’ s tree coverage percentage is at 36 %, the highest out of all major American cities, and above the national average of 27 %.

The terrain is low-lying and sandy: a coral island surrounded by a narrow fringing reef with a depressed central area devoid of a lagoon with its highest point being above sea level.

Its lowest point is the Caribbean Sea and its highest point is Mount Sage at above sea level.

The highest level is that of the shepherd, who makes sure that all his sheep arrive safely ahead of him and places their welfare above his own.

Borneo's highest point is Mount Kinabalu in Sabah, Malaysia, with an elevation of above sea level.

The highest peak along the ridge line above Berkeley is Grizzly Peak, elevation.

Another well known town is Fonni, being the highest town in Sardinia, More than 1000 meters above sea level.

The summit of this formation — as well as the highest point in the Sahara Desert — is Emi Koussi, a dormant volcano that reaches 3, 414 meters above sea level.

With a $ 1. 92-billion-a-year tourism industry, Costa Rica stands as the most visited nation in the Central American region, with 1. 9 million foreign visitors in 2007, thus reaching a rate of foreign tourists per capita of 0. 46, one of the highest in the Caribbean Basin, and above other popular destinations such as Mexico ( 0. 21 ), Dominican Republic ( 0. 38 ), and Brazil ( 0. 03 ).

Mahoré, geologically the oldest of the four islands, is thirty-nine kilometers long and twenty-two kilometers wide, totaling 375 square kilometers, and its highest points are between 500 and 600 meters above sea level.

For those priests over 80 who became cardinal-deacons and were not ordained to the episcopacy, this is the highest position they can normally attain in the Church hierarchy ( though all cardinals rank above bishops in rank and order of precedence, those cardinals who are not bishops do not have the right to perform the functions reserved solely to bishops, such as ordination ).

The highest point in Concord is above sea level on Oak Hill, just west of the hill's summit in neighboring Loudon.

Its highest elevation, located at Ebright Azimuth, near Concord High School, does not rise fully above sea level.

Temperatures rarely rise above, and freezing temperatures only occur in winter in the highest mountains.

The highest mountains of the West Indies are in this range: Pico Duarte, 3, 098 m, and others above 3, 000 m. Near the center of the island, this range turns southward and is called Sierra de Ocoa, finishing near the city of Azua de Compostela, on the Caribbean coast.

Similar to the desert, the peninsula contains mountains in its southern sector that are a geological extension of the Red Sea Hills, the low range along the Red Sea coast that includes Mount Catherine ( Jabal Katrinah ), the country's highest point, at 2, 642 m above sea-level.

The country's highest point, Suur Munamägi ( Egg Mountain ), is in the hilly southeast and reaches above sea level.

Eye-clean stones of a vivid primary green hue ( as described above ) with no more than 15 % of any secondary hue or combination ( either blue or yellow ) of a medium-dark tone command the highest prices.

* Whistle register, the highest register of the human voice lying above the modal register and falsetto register

The lowest point is at sea level, and the highest is at Slættaratindur, which is 882 metres above sea level.