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Fog weather station symbol8/11/2023 ![]() ![]() Sometimes, both the sky cover and cloud type symbols are shown together to offer more data from the studied areas. A no-clouds symbol is shown as a completely colorless or white circle. If the sky is fully covered, it is presented as a clack circle, while specifically darkened quadrants show the sky cover in the form of segments, such as two-tenths, five-tenths, six-tenths, and so on. Some of these parts may be colored, depending on the amount of the cloud cover. So, the clouds in weather symbols look more or less the same as they appear in the atmosphere.Ĭloud cover is presented in the form of a circle that can be divided into equal portions. Altostratus is drawn in the form of an acute angle. Cumulus clouds appear as semicircles, while cumulonimbus is a semicircle with a trapezium on top.Īltocumulus cloud appears as two semicircles hinged to each other, while the cirrus clouds are drawn as lines with curves. Cloud cover is the percentage of sections of the sky which is covered by clouds, further a direct impact on the local weather. Cloud CoverĬlouds are classified into different categories, based on their appearance and the altitude at which they are located. Different Weather Symbols and Their Meanings 1. For instance, a pressure of 987.8 millibars can be shown as 878, while that of 1014.3 millibars can be written as 143. Since the pressure is almost always between 9 millibars, sometimes the hundreds figure for the pressure is left out with the assumption that it is understood. At every station, pressure is standardized to sea-level pressure, which is often measured in millibars. Temperature is measured in degrees Celsius to the nearest whole degree. You will also find a long and short feather that indicates 15 knots. A short feather indicates 5 knots, while a larger one shows 10 knots. The speed of the wind is shown by “feathers” on the wind arrow. ![]() Wind direction is characterized by an arrow showing where the wind is coming. The larger the fill, the bigger the cloud cover, which is measured in eighths or oktas. Others, like the amount of rain, snow, cloud, and fog, are represented as universally approved symbols.įor instance, cloud cover at a certain time is shown by filling in some parts of the circle. Other important elements, such as temperature and pressure, are keyed in as plain figures. The location of each meteorological station is indicated by a small circle, while its weather report is plotted in and around the circle. Weather symbols are placed on the synoptic map along with the position of weather stations gathering information about the weather and details of different weather elements. Although these symbols are commonly used alongside a synoptic weather map, they can also be shown separately. Weather symbols are the graphical representations of various atmospheric conditions commonly used in meteorological forecasts to show current and future weather conditions. ![]()
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