Colour state other than clouds or low visibility (e.g. ice or other obstructions) then the word BLACK is written in full and placed immediately before the actual colour state (e.g. BLACKWHT). The colour state may be appended to a METAR report. A short period forecast called a "TREND" which covers the following two hours from the observation may also be added, often with reference to the colour state. The following criteria are used to determine the colour state: Colour state Colour states is a system used for quickly showing meteorological conditions. Meteorological colour states are determined by the relevant worst condition from
Ecotourism routes in Europe (including natural, cultural sites, pilgrims, and regional specialties), and also to organize their travels more easily. The European Federation of the Mountain (FFEM), concerned with the rural development of its territories, asked a qualified consultant to represent it at an OECD workshop (Organisation for Economic Cooperation and Development) which was devoted to the research of "the niche markets and rural development." 20 country members of the Organization and the Council of Europe were represented to discuss the proposals from three experts from the private sectors and five consultants from the Expert Committee Initiative Leader Europe. The editions of the OECD