However, those H’s and L’s are not marking the position of high and low ... pressure strictly from these observations of pressure, it would look a lot like a surface relief map or topographic ...

A map illustrates lines of surface pressure, called isobars, with areas of high and low pressure marked for March 14, 2025. Winds are strongest when isobars are packed closely together.

In the case of an upper level low, think of that low pressure starting on the 10th floor, higher up. They setup high in the atmosphere and influence weather below. An upper level low as a swirling ...

All thanks to a stubborn pattern of high pressure that sat over Florida, South Georgia, and South Alabama. While low pressure stirs up clouds and precipitation, atmospheric high pressure supports ...

In the case of an upper level low, think of that low pressure starting on the 10th floor, higher up. They setup high in the atmosphere and influence weather below. An upper level low as a swirling ...

This differential heating creates areas of high and low pressure, something we call the pressure gradient force. Air is constantly flowing from high pressure areas to lower pressure areas in an ...