Weather outlooks presented as a graph.
Related Terms |
ICE FOG
Fog composed of suspended particles of ice, partly ice crystals 20 to 100 microns in diameter but chiefly, especially when dense, droxtals 12 to 20 microns in diameter. It occurs at very low temper- atures, and usually in clear, calm weather in high latitudes. The sun is usually visible and may cause halo phenomena. Ic
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INDIAN SUMMER
An indefinite and irregular period of mild, calm, hazy weather often occurring in autumn or early winter, especially in the United States and Canada.
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SAFE HARBOUR
A harbour which provides safety from bad weather
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UNDER THE WEATHER
Serving a watch on the weather side of the ship, exposed to wind and spray.
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LEE HELM
The tendency of a sailboat to turn to leeward in a strong wind when there is no change in the rudder's position. This is the opposite of weather helm and is the result of a dynamically unbalanced condition.
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SAFE HAVEN
A safe harbour, including natural harbours, which provide safety from bad weather or attack.
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SCOPE
The ratio of length of anchor rode in use to the vertical distance from the bow of the vessel to the bottom of the water. Usually six to seven to one for calm weather and more scope in storm conditions.
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DECK LOG
A full nautical record of a ship's voyage, written up at the end of each watch by the deck officer on watch. The principal entries are: courses steered; distance run; compass variations, sea and weather conditions; ship's position, principal headlands passed; names of lookouts, and any unusual position, principal headlands passed; names of lookouts, and any unusual happenings such as fire, collision, and the like. Also called Captain's Log.
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LEVANTERA
A persistent east wind of the Adriatic, usually accompanied by cloudy weather
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LEVANTER
A strong easterly wind of the Mediterranean, especially in the Strait of Gibraltar, attended by cloudy, foggy, and sometimes rainy weather especially in winter
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