The 24 hour Surface Analysis map shows current weather conditions, including frontal and high/low pressure positions, satellite infrared (IR) cloud cover, and areas of precipitation. A surface ...

On the weather map, the pressure lines or “isobars ... as we experience high pressure some days and low pressure on others. High pressure is usually associated with blue skies and sunshine ...

the presenter will refer to high and low pressure. There may even be areas marked with ‘HIGH’ and ‘LOW’ on the weather map. But what does this mean? In this case, pressure is actually ...