A low pressure system is like a giant funnel of wind spiralling inwards and upwards forcing warmish air in the centre to rise ...

On the weather map, the pressure lines or “isobars” will be drawn very close together. This also indicates strong winds. You will commonly see lines drawn very close together during tropical ...

Isobars are lines on a weather map joining together places of equal atmospheric pressure. On the map the isobar marked 1004 represents an area of high pressure, while the isobar marked 976 ...

On the map the isobar marked 1004 represents an area of high pressure, while the isobar marked 976 represents an area of low pressure. Not only do isobars tell us whether there is high or low ...