High pressure often represents stable air, while low pressure can signify instability ... pressure than when a big storm is moving in on a hot and humid day. But the density of the atmosphere ...

Pressure is one of the most fundamental concepts of meteorology. What does it have to do with weather forecasting?

A bomb cyclone is a low-pressure system that drops in pressure by 24 millibars within 24 hours. Here's what Washingtonians ...

High pressure often represents stable air, while low pressure can signify instability ... pressure than when a big storm is moving in on a hot and humid day. But the density of the atmosphere ...

Warm air then rapidly rises, creating low pressure. This leads to condensation and the development of large towering clouds and torrential rain. As warm moist air moves in to replace the rising ...

During the spring and summertime, it can cause storms too if the air pressure gets low enough. The opposite is true for a high pressure system. Air aloft in the high pressure is forced down and ...