Cold air is often associated with high pressure, though this oversimplifies the issue somewhat.
Cold air increases air pressure
Cold air exerts a low pressure. That is why cold air falls and hotter air rises above it.
Cold temperatures increase air pressure.
Cold air is more dense than warm air. This is why cold air masses tend to descend, and warm air masses tend to rise.
Because the pressure of a gas is dependent on the temperature. The same amount of gas - as what you have inside your balloon - will have a higher pressure when it's warm, and a lower pressure when it's cold. And higher pressure = more inflation. Lower pressure = less inflation.
Cold air increases air pressure
Depending on the air pressure the weather system can be hot of cold
Cold air increases air pressure
Cold air typically has higher pressure than warm air because cold air is denser and therefore exerts more pressure on its surroundings.
The air pressure is high when the air is cold, and it's sinking.
Cold air exerts a low pressure. That is why cold air falls and hotter air rises above it.
Cold temperatures increase air pressure.
Cold, precipitation, windy and yucky :P
Falling air pressure is usually an indication that a storm is coming.
higher
High pressure in weather is cold, and low pressure is hot.
When cold air moves into an area, the atmospheric pressure is high because cold air is denser than warm air. When a cold front moves through an area, the pressure always rises.