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
Alpine Valley Ski Area Alpine Valley offers a variety of 11 trails for skiers, snowboarders and even downhill tubing. The resort has over 100 instructors for its ski school which is registered with the Professional Ski Instructors or America (PSIA). Trail levels range from a beginner's bunny hill, to the expert terrain park which boasts Ohio's largest half pipe. Alpine Valley also features high-power lighting for night skiing through the season. Although Alpine Valley is located in the snow belt of Ohio and receives roughly 120 inches of natural snowfall yearly, the resort also artificially produces snow on all of the runs once temperatures