Weather map
Weather map Weath"er map A map or chart showing the principal meteorological elements at a given hour and over an extended region. Such maps usually show the height of the barometer, the temperature of the air, the relative humidity, the state of the weather, and the direction and velocity of the wind. Isobars and isotherms outline the general distribution of temperature and pressure, while shaded areas indicate the sections over which rain has just fallen. Other lines inclose areas where the temperature has fallen or risen markedly. In tabular form are shown changes of pressure and of temperature, maximum and minimum temperatures, and total rain for each weather station since the last issue, usually 12 hours. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • Weather map — A surface weather analysis for the United States on October 21, 2006. A weather map displays various meteorological features across a particular area at a particular point in time.[1] Such maps have been in use since the mid 19th century and are… …   Wikipedia

  • weather map — a map or chart showing weather conditions over a wide area at a particular time, compiled from simultaneous observations at different places. [1870 75, Amer.] * * * ▪ meteorology  any map or chart that shows the meteorological elements at a given …   Universalium

  • weather map — A map showing the weather conditions prevailing, or predicted to prevail, over a considerable area. Usually, the map is based upon weather observations taken at the same time at a number of stations. The weather conditions are indicated in… …   Aviation dictionary

  • weather map — noun (meteorology) a map showing the principal meteorological elements at a given time and over an extended region • Syn: ↑weather chart • Topics: ↑meteorology • Hypernyms: ↑map • Hyponyms: ↑ …   Useful english dictionary

  • weather map — Synonyms and related words: Lambert conformal projection, Mercator projection, Miller projection, aeronautical chart, air mass, anticyclone, astronomical chart, atlas, azimuthal equidistant projection, azimuthal projection, cartographer,… …   Moby Thesaurus

  • weather map — weath′er map n. mer a map or chart showing weather conditions over a wide area at a particular time, compiled from simultaneous observations at different places • Etymology: 1870–75, amer …   From formal English to slang

  • weather map — /ˈwɛðə mæp/ (say wedhuh map) noun a map or chart showing meteorological conditions over a wide area at a particular time, compiled from simultaneous observations at different places …   Australian English dictionary

  • weather map — noun Date: 1871 a map or chart showing the principal meteorological elements at a given hour and over an extended region …   New Collegiate Dictionary

  • weather map — noun a map that shows the analysis of meteorological quantities at various levels of the atmosphere …   Wiktionary

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