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 determination Expert determination Expert determination is a historically accepted form of dispute resolution invoked when there is not a "formulated dispute" in which the parties have defined positions that need to be subjected to arbitration, but rather both parties are in agreement that there is a need for an evaluation. Expert determination is a procedure by which the parties to a dispute appoint an independent and neutral expert to determine the dispute in private. Like arbitration, it allows trade secrets and other sensitive information to be kept out of the public domain. The expert will be a person with specialist or