Related Clues:

• Lines of equal pressure
• Lines of equal atmospheric pressure
• Map lines of equal pressure
• Equal pressure lines
• Lines linking places of equal barometric pressure
• Lines of equal barometric pressure
• Lines on map indicating atmospheric pressure
• Forecaster's lines
• Met lines of equal pressure
• One zooms around black lines on maps
• 15 is strong when they are close
• Is the lead singer of
• Some weather lines
• One zooms around Belgian capital, seeing lines on a map
• Pressure on lines one Mayday when ringing lawyers