Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...

Coming originally from the Pacific, a dome of high pressure is parking over the Eastern United States with hot air from the ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

The conditions the past couple of days have supercharged the atmosphere to produce some localized deluges in portions of Upper Ohio Valley.

An Air India flight experienced a hissing sound from a door panel mid-flight, attributed to a potential seal compromise ...

Pressure that is greater than the standard atmospheric pressure of 1013.25 mb is classified as high pressure and pressure that is lower than 1013.25 is classified as low pressure.

ALTHOUGH analytical chemistry long ago discovered the chemical composition of atmospheric air, and experimental ... delivering gas at an unvarying pressure and maintaining perfect adjustment ...

Atmospheric vapor pressure is expressed in millibars (mb ... A variety of factors can change the vapor pressure. Increasing the air temperature will increase the vapor pressure. Changing the air ...