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 RA Analytics Expert RA addresses key national issues in cooperation with government agencies, public associations, and regional authorities. - Surveys and Rankings Expert RA publishes over 50 research papers and analytical reports on insurance, banking, asset management, leasing, factoring, auditing, consulting and other industries annually. - Business Events Every year, Expert RA holds events such as forums, conferences, and round tables to discuss research and work out solutions and scenarios for business community and public authorities. Expert RA National Rating Scale for the Russian Federation Effective from 10 April 2017 Expert RA has 16 currently active credit rating methodologies, of which