WEATHERMAP

Weather map

A weather map displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. Such maps have been in use since the mid-19th century and are used for research and weather forecasting purposes. Maps using isotherms show temperature gradients, which can help locate weather fronts. Isotach maps, analyzing lines of equal wind speed, on a constant pressure surface of 300 mb or 250 mb show where the jet stream is located. Use of constant pressure charts at the 700 and 500 hPa level can indicate tropical cyclone motion. Two-dimensional streamlines based on wind speeds at various ...

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weather map

Noun

  1. a map that shows the analysis of meteorological quantities at various levels of the atmosphere


The above text is a snippet from Wiktionary: weather map
and as such is available under the Creative Commons Attribution/Share-Alike License.

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