Weather map motion. Two-dimensional streamlines based on wind speeds at various levels show areas of convergence and divergence in the wind field, which are helpful in determining the location of features within the wind pattern. A popular type of surface weather map is the surface weather analysis, which plots isobars to depict areas of high pressure and low pressure. Cloud codes are translated into symbols and plotted on these maps along with other meteorological data that are included in synoptic reports sent by professionally trained observers. The use of weather charts in a modern sense began in the middle portion of the
Weather insurance not lose their investment. Instead, an insurance company will cover those costs based on the size and type of the weather cancellation insurance purchased. Conditional weather insurance gives companies the ability to make promotional sales offers based on the weather; this form of insurance used by businesses and organizations to increase publicity and drive traffic and sales. With conditional weather insurance an organization can run a promotion advertising up to a 100% rebate on all items purchased during a designated promotional period if a particular type and/or volume of weather occurs on a specific day. For example, a retailer could