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
Expert (company) Expert (company) Expert International GmbH is a Swiss consumer electronics retail chain headquartered in Zug, Switzerland. The Intercop GmbH was founded in Zurich, Switzerland on October 16, 1967 by initiative of Gunnar Nygren, representing the Swedish radio and TV-retailer association Samex and representatives of five other national retail organizations. The company was renamed Expert International GmbH in 1971. Retailers from other countries began to join the group which led to the Expert trademark being internationally registered. In 1999 the Expert Global group was formed following a letter of intent being signed with Associated Volume Buyers Inc. from the United States