National Weather Service weather thresholds (e.g. conditions change from visual meteorological conditions to instrument meteorological conditions). The basic weather elements observed are: sky condition, visibility, present weather, obstructions to vision, pressure, temperature, dew point, wind direction and speed, precipitation accumulation, and selected significant remarks. The coded observations are issued as METARs and look similar to this: Getting more information on the atmosphere, more frequently, and from more locations is the key to improving forecasts and warnings. Due to the large installation and operating costs associated with ASOS, the stations are widely spaced. Therefore, the Cooperative Observer Program (COOP), a network of approximately 11,000
What is a Masterpiece? particular (the fruits of the era in which the artist lived) with the universal (the grand themes raised by the human condition itself) in Clark's view. Clark's definition of an artistic masterpiece was based on a number of different considerations and criteria that apply to different works produced in markedly different time periods and milieux. For example, in this particular work he argued that it is the "creation of an individual artist's authentic genius." At the same time, he expounded a number of other aspects that for him were essential in the configuration of a masterpiece: that it is "a