If weather were a rock band, atmospheric pressure might be the bassist — sitting in the background, not quite the center of attention, but crucial to driving the tempo and tone. Air pressure systems ...

High pressure often represents stable air, while low pressure can signify instability. On a cold, sunny day there will be a significantly higher atmospheric pressure than when a big storm is ...

High pressure systems form when air descends towards the surface, explaining why they normally bring clear weather since rising air is required for thick cloud and rain. The current systems ...

When birds flap their wings, they’re generating an area of high air pressure under the wing and low air pressure above it. The same happens when planes race down the runway. The pressure ...

High winds have been a key ingredient in the devastating fires in Los Angeles -- and they’re picking up again.