Look up: METAR

1. METAR
   abbreviation: Aviation Routine Weather Report (in international MET figure code)
   Found on http://www.apscharts.com/abbrev.html
   
   
2. METAR
   Acronym in FAA pilot briefings and weather reports simply means an "aviation routine weather report," but nobody seems certain about the original source. The format was introduced by the French on 1 Jan 1968, but was not adopted by USA and Canada until 1 July 1996, and is thought to be a contraction from M
   Found on http://www.aerofiles.com/glossary.html
   
   
3. METAR
   `METAR` is a format for reporting weather information. A METAR weather report is predominantly used by pilots in fulfillment of a part of a pre-flight weather briefing, and by meteorologists, who use aggregated METAR information to assist in weather forecasting. Raw METAR is the most popular format ...
   Found on http://en.wikipedia.org/wiki/METAR