astronomical tide

astronomical tide

[‚as·trə′näm·ə·kəl ′tīd]
(oceanography)
An equilibrium tide due to attractions of the sun and moon.
References in periodicals archive ?
Storm surge of 4-5 feet in height above normal astronomical tide might hit the coastal districts under the influence of the storm and the new-moon phase, the Met Office had said in forewarnings.
Storm surge of about 1.5 meter height above astronomical tide is very likely to inundate low lying areas of Ganjam, Khurda, Puri & Jagatsinghpur Districts of Odisha at the time of landfall.
Under the influence of the land depression the low-lying areas of the coastal districts of Cox's Bazar, Chittagong, Noakhali, Laxmipur, Feni, Chandpur, Bhola, Barisal, Patuakhali, Jhalakati, Pirojpur, Borguna, Bagherhat, Khulna, Satkhira and their offshore islands are likely to be inundated by wind driven surge of 2ft height above normal astronomical tide. Light to moderate rain/thunder showers accompanied by temporary gusty/squally wind is likely to occur at most places over Rajshahi, Rangpur, Mymensingh, Dhaka, Khulna, Barisal, Chittagong and Sylhet divisions with moderately heavy to very heavy falls at places over the country, the Met Office said in its forecast.
"Waters are likely to rise to about two feet above astronomical tide levels in southeastern Virginia, with minor coastal flooding likely."
According to the BMD bulletin, the low-lying areas of some coastal districts are likely to be inundated by storm surge of 8- 10 feet height above normal astronomical tide.
The US National Weather Service defines a storm surge as an "abnormal rise of water generated by a storm, over and above the predicted astronomical tide."
OF TYNE PORT Size: 613 acres of land |Up to 13 metres of water is available at Riverside Quay (A minimum of 13 metres (lowest astronomical tide) of water is available at Tyne Bulk Terminal (up to 18.2m available at highest astronomical tide) and a min of 12.1m (lowest astronomical tide) at RSQ (17.3m at highest astronomical tide) 78,000 sq m of warehousing 3095m of potential berth space Date founded: e Port of Tyne |was constituted on June 28, 1968 Basic history: Traditionally, the |Port of Tyne was famous for its coal exports, but the radical changes in the UK's mining industry during the 1990s created an urgent need to diversify to remain viable.
The period around September, is the best time for tidal wave watching, known as the "astronomical tide watching day".
The new channel, which required the dredging of 65 million cubic metres, has a minimum depth of nine metres at lowest astronomical tide and a minimum width of 200 metres.
The minimum depth is 9 metres at lowest astronomical tide, and the minimum width is 200 metres.
Technology: Accelerated low water corrosion (ALWC) is an aggressive form of microbiologically induced localised corrosion commonly found on unprotected steel structures close to the level of the lowest astronomical tide or in the immersed zone.
Mr Stutter left Holyhead beach in a boat which was "unsuitable for the sea" at around 7am on March 30 - a day when it was the biggest astronomical tide of the year.

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