so as water vapor increases, the density of air decreases. Temperature also changes the density of air. As air gets warmer it expands and becomes less dense, causing atmospheric pressure to fall.

It’s the cold cloud with freezing precipitation that dominates our weather for most of the year on the Canadian Prairies.

and condenses the water vapor into clouds, often resulting in rain. During the Atlantic hurricane season, forecasters often alert the public when atmospheric pressure over a region of the ocean ...

Warm air rises, but it also expands because air pressure decreases with height. The latter effect wins out and air becomes ...

Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

WHAT IS AN ATMOSPHERIC RIVER? It starts when a large amount of water vapor from tropical oceans is carried by a jet stream ...

The plunging atmospheric pressure in the center of the storm ... narrow plume of moisture in the atmosphere where water vapor is transported. Some areas in the Pacific Northwest, especially ...

These include carbon dioxide and water vapour. Even though it is hard ... that the weight of the air above you is what causes air pressure (atmospheric pressure). This weight of the air above ...

Gateway of gas-exchange between the plant and the atmosphere. Vapor pressure gradient - A measure of water vapor concentration difference between inside of the leaf and the air. Water holding ...

Cities throughout Indiana have been impacted by unprecedented flooding as a result of one of the wettest opening weeks of April on record. The flooding came about as heavy rains continued through the ...