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Hurricane Ella (1978)
Hurricane Ella was the strongest hurricane on record in Canadian waters. It formed on August 30, 1978 to the south of Bermuda, and quickly intensified as it tracked west-northwestward. By September 1, Ella reached winds of , and it was expected to pass close to the Outer Banks of North Carolina during the busy Labor Day Weekend. The hurricane became stationary for about 24 hours, and later turned to the northeast away from the coast. On September 4, Ella reached Category 4 status on the Saffir-Simpson Hurricane Scale off the coast of Nova Scotia. It subsequently weakened, passing southeast of Newfoundland before being absorbed by a large extratropical cyclone. In North Carolina, the National Hurricane Center issued a hurricane watch due to the large influx of people expected during the holiday weekend. As such, there was a significant drop in tourism, although no significantly adverse weather occurred along the Outer Banks. High waves and some minor beach ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Hatteras
Cape Hatteras is a cape located at a pronounced bend in Hatteras Island, one of the barrier islands of North Carolina. Long stretches of beach, sand dunes, marshes, and maritime forests create a unique environment where wind and waves shape the topography. A large area of the Outer Banks is part of a National Park, called the Cape Hatteras National Seashore. It is also the nearest landmass on the North American mainland to Bermuda, which is about to the east-southeast. The treacherous waters off the coast of the Outer Banks are known as the Graveyard of the Atlantic, Over 600 ships wrecked here as victims of shallow shoals, storms, and war. Diamond Shoals, a bank of shifting sand ridges hidden beneath the turbulent sea off Cape Hatteras, has never promised safe passage for ships. In the past 400 years, the graveyard has claimed many lives, but island villagers saved many. As early as the 1870s, villagers served in the United States Life-Saving Service. Others staffed lightho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subtropical Ridge
The horse latitudes are the latitudes about 30 degrees north and south of the Equator. They are characterized by sunny skies, calm winds, and very little precipitation. They are also known as Subtropics, subtropical ridges, or highs. It is a high-pressure area at the divergence of trade winds and the westerlies. Origin of the term A likely and documented explanation is that the term is derived from the "dead horse" ritual of seamen (see Flogging a dead horse#Earlier meaning, Beating a dead horse). In this practice, the seaman paraded a straw-stuffed effigy of a horse around the deck before throwing it overboard. Seamen were paid partly in advance before a long voyage, and they frequently spent their pay all at once, resulting in a period of time without income. If they got advances from the ship's paymaster, they would incur debt. This period was called the "dead horse" time, and it usually lasted a month or two. The seaman's ceremony was to celebrate having worked off the "d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ocracoke Island
Ocracoke , from the North Carolina Collection website at the . Retrieved 2013-01-29. is a (CDP) and unincorporated town located at the southern end of Ocracoke Island, located entirely within Hyde County, |
National Weather Service
The National Weather Service (NWS) is an Government agency, agency of the Federal government of the United States, United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and general information. It is a part of the National Oceanic and Atmospheric Administration (NOAA) branch of the United States Department of Commerce, Department of Commerce, and is headquartered in Silver Spring, Maryland, Silver Spring, Maryland, within the Washington metropolitan area. The agency was known as the United States Weather Bureau from 1890 until it adopted its current name in 1970. The NWS performs its primary task through a collection of national and regional centers, and 122 local List of National Weather Service Weather Forecast Offices, Weather Forecast Offices (WFOs). As the NWS is an agency of the U.S. federal government, most o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropical Cyclone Warnings And Watches
Tropical cyclone warnings and watches are alerts issued by national weather forecasting bodies to coastal areas threatened by the imminent approach of a tropical cyclone of tropical storm or hurricane intensity. They are notices to the local population and civil authorities to make appropriate preparation for the cyclone, including evacuation of vulnerable areas where necessary. It is important that interests throughout the area of an alert make preparations to protect life and property, and do not disregard it on the strength of the detailed forecast track. Western hemisphere New tropical cyclone position and forecast information is available at least every twelve hours in the Southern Hemisphere and at least every six hours in the Northern Hemisphere from Regional Specialized Meteorological Centers and Tropical Cyclone Warning Centers. In conjunction with the National Hurricane Center, the national meteorological and hydrological services of Central America, the northern Atlan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hurricane Ella (1978)
Hurricane Ella was the strongest hurricane on record in Canadian waters. It formed on August 30, 1978 to the south of Bermuda, and quickly intensified as it tracked west-northwestward. By September 1, Ella reached winds of , and it was expected to pass close to the Outer Banks of North Carolina during the busy Labor Day Weekend. The hurricane became stationary for about 24 hours, and later turned to the northeast away from the coast. On September 4, Ella reached Category 4 status on the Saffir-Simpson Hurricane Scale off the coast of Nova Scotia. It subsequently weakened, passing southeast of Newfoundland before being absorbed by a large extratropical cyclone. In North Carolina, the National Hurricane Center issued a hurricane watch due to the large influx of people expected during the holiday weekend. As such, there was a significant drop in tourism, although no significantly adverse weather occurred along the Outer Banks. High waves and some minor beach ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Race
Cape Race is a point of land located at the southeastern tip of the Avalon Peninsula on the island of Newfoundland, in Newfoundland and Labrador, Canada. Its name is thought to come from the original Portuguese name for this cape, "Raso", meaning flat or low-lying. The Cape appeared on early sixteenth century maps as Cabo Raso and its name may derive from a cape of the same name at the mouth of the Tagus River in Portugal. The cape was the location of the Cape Race LORAN-C transmitter until the system was decommissioned in 2010. It is also home to the Cape Race Lighthouse, notable for having received the distress call from the RMS ''Titanic''. Geography Dense fog, rocky coasts, and its proximity to trans-Atlantic shipping routes have resulted in many shipwrecks near Cape Race over the years. One of the most famous was the . Cape Race is a flat, barren point of land jutting out into the Atlantic Ocean, its cliffs rising almost vertically to above sea level. On average it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halifax Regional Municipality
Halifax is the capital and largest municipality of the Provinces and territories of Canada, Canadian province of Nova Scotia, and the largest municipality in Atlantic Canada. As of the 2021 Census, the municipal population was 439,819, with 348,634 people in its urban area. The regional municipality consists of four former municipalities that were Amalgamation (politics), amalgamated in 1996: History of Halifax (former city), Halifax, Dartmouth, Nova Scotia, Dartmouth, Bedford, Nova Scotia, Bedford, and Halifax County, Nova Scotia, Halifax County. Halifax is a major economic centre in Atlantic Canada, with a large concentration of government services and private sector companies. Major employers and economic generators include the Canadian Armed Forces, Department of National Defence, Dalhousie University, Nova Scotia Health Authority, Saint Mary's University (Halifax), Saint Mary's University, the Halifax Shipyard, various levels of government, and the Port of Halifax. Agricult ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Baroclinity
In fluid dynamics, the baroclinity (often called baroclinicity) of a stratified fluid is a measure of how misaligned the gradient of pressure is from the gradient of density in a fluid. In meteorology a baroclinic flow is one in which the density depends on both temperature and pressure (the fully general case). A simpler case, barotropic flow, allows for density dependence only on pressure, so that the curl of the pressure-gradient force vanishes. Baroclinity is proportional to: :\nabla p \times \nabla \rho which is proportional to the sine of the angle between surfaces of constant pressure and surfaces of constant density. Thus, in a ''barotropic'' fluid (which is defined by zero baroclinity), these surfaces are parallel. In Earth's atmosphere, barotropic flow is a better approximation in the tropics, where density surfaces and pressure surfaces are both nearly level, whereas in higher latitudes the flow is more baroclinic. These midlatitude belts of high atmospheric ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ridge (meteorology)
A ridge or barometric ridge is a term in meteorology describing an elongated area of relatively high atmospheric pressure compared to the surrounding environment, without being a closed circulation. It is associated with an area of maximum anticyclonic curvature of wind flow. The ridge originates in the center of an anticyclone and sandwiched between two low-pressure areas, and the locus of the maximum curvature is called the ''ridge line''. This phenomenon is the opposite of a trough. Description Ridges can be represented in two ways: * On surface weather maps, the pressure isobars form contours where the maximum pressure is found along the axis of the ridge. * In upper-air maps, geopotential height isohypses form similar contours where the maximum defines the ridge. Related weather Given the direction of the winds around an anticyclonic circulation and the fact that weather systems move from west to east: *ahead of an upper-ridge, the airflow that comes from the polar regi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East Coast Of The United States
The East Coast of the United States, also known as the Eastern Seaboard, the Atlantic Coast, and the Atlantic Seaboard, is the coastline along which the Eastern United States meets the North Atlantic Ocean. The eastern seaboard contains the coastal states and areas east of the Appalachian Mountains that have shoreline on the Atlantic Ocean, namely, Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, and Florida.General Reference Map , , 2003. Toponymy and composition T ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trough (meteorology)
A trough is an elongated region of relatively low atmospheric pressure without a closed isobaric contour that would define it as a low pressure area. Since low pressure implies a low height on a pressure surface, troughs and ridges refer to features in an identical sense as those on a topographic map. Troughs may be at the surface, or aloft. Near-surface troughs sometimes mark a weather front associated with clouds, showers, and a wind direction shift. Upper-level troughs in the jet stream (as shown in diagram) reflect cyclonic filaments of vorticity. Their motion induces upper-level wind divergence, lifting and cooling the air ahead (downstream) of the trough and helping to produce cloudy and rain conditions there. Unlike fronts, there is not a universal symbol for a trough on a surface weather analysis chart. The weather charts in some countries or regions mark troughs by a line. In the United States, a trough may be marked as a dashed line or bold line. In the UK, Hong Kong ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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