1) Battle lines 2) Features of weather in Leeds 3) Is the lead singer of 4) Leads the band 5) Lines of battle 6) Outward appearances 7) Property lines 8) Public faces 9) Storm pushers 10) Weather map features 11) Weather map lines 12) Weather system borders 13) Weather systems Found on https://www.crosswordclues.com/clue/fronts
the transition zone or interface between two air masses of different densities, which usually means different temperatures. For example, the area of convergence between warm, moist air and cool, dry air. Found on https://serc.carleton.edu/eslabs/weather/glossary.html