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
Aston Centre for Europe 5 academic programmes at Masters (MA) level. The Aston Centre for Europe is co-directed by Professor Simon Green, an expert in immigration policy and German politics, Professor John Gaffney, an expert on political leadership, and Dr. Nat Copsey, an expert in European integration and the EU’s international relations. ACE has a number of practitioner fellows who act in an advisory capacity. Many of these have significant experience in European institutions, regulatory politics and policy-making, as well as academia. Conferences Conferences and workshops addressing European policy issues have been delivered by the Aston Centre for Europe since its inception in 2009.