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Conditions in the atmosphere change a lot over a small distance in the vicinity of thunderstorms. Where the rain is falling, the pressure goes up by a few millibars (about 0.1 inches of Mercury). This is because as the rain falls, some of it evaporates, which makes the air cooler and heavier. Another process is going on, however, that makes it complicated. As the air goes up in the thunderstorm's updraft, it creates an area of low pressure under the updraft that acts to pull air in from around the thunderstorm. This low pressure region is also typically a few millibars lower than the environment of the storm. At the top of the storm the pressure is high compared to places far away from the storm and air is blown out.
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BlakeAtmospheric pressure decreases in the vicinity of a thunderstorm due to the rapid updraft of warm air. This drop in pressure is often associated with the development of a thunderstorm. Outside the storm, pressure may briefly increase as air is drawn into the storm's circulation.
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To change from psig to psia you must add what to p.s.i.g?
You must add the atmospheric pressure.
Change in air pressure make sound?
No, the atmospheric pressure changes much too slowly.
When vapor pressure equals atmospheric pressure at the surface of a liquid it has reached its what?
When the vapor pressure equals atmospheric pressure at the surface of a liquid, it has reached its boiling point. This is the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on it by the surrounding atmosphere, causing the liquid to change into vapor.
How is the can in the pan of water similar to the mercury barometer?
Both the can in the pan of water and the mercury barometer function based on the principle of atmospheric pressure. In both cases, changes in atmospheric pressure will cause a corresponding change in the level of water or mercury in the device. The height of the water or mercury serves as an indicator of the atmospheric pressure at that moment.
Is it possible that the atmospheric pressure may have changed?
Yes, atmospheric pressure can change due to various factors such as weather patterns, altitude, and air masses. These changes can affect weather conditions and can be measured using instruments like barometers.
