But what exactly is pressure? What is a pressure system? And why should anyone care? The difference between high and low pressure is sometimes the difference between sunshine and downpours.

A low pressure system moved into the Great ... The cooler temperatures will not be lasting very long. A high pressure system ...

They are examples of extreme low pressure systems. Hurricanes often occur at the start of the American summer from end of June until October. For cyclones to occur and develop, the sea temperature ...

As a weak high pressure ridge continues to build, temperatures slowly warm through Friday. Cooler for the weekend.

After a soaking rain last night, daily precipitation chances will greet us this week. Around one inch of liquid could ...