Synoptic Chart 4 : In meteorology, any chart or map on which data and analyses are presented that describe the state of the atmosphere over a large area at a given moment in time
National Wildfire Coordinating Group (NWCG), Glossary of Wildland Fire Terminology, NWCG Program Management Unit, National Interagency Fire Center, Boise, ID, USA 2014. http://www.nwcg.gov/pms/pubs/glossary/pms205.pdf, (For Fr - Amer) {45}