wind
What causes winds to curve in their path instead of moving in straight lines?
Coriolis effect
What factors influence the formation of wind?
Difference in air pressure between regions. Earth's rotation (Coriolis effect). Air flowing from high-pressure to low-pressure areas.
Relative humidity is shown as a percent. A humidity of 100% indicates that the air is __________of water vapor and could form clouds or fog.
full
how temperature variations can affect whether precipitation falls as rain or snow.
Temperature determines the state of precipitation. If the air is above freezing, precipitation falls as rain; if below, it can fall as snow
warm air moves toward and rises over cooler air; often brings steady precipitation and gradual temperature rise.
warm front
What effect does rising air have on weather patterns?
It can lead to cloud formation and precipitation.
Which conditions are associated with a low-pressure system?
Air molecules are more spread out (lower density). Often brings clouds, wind, and precipitation. Winds flow towards the center and curve due to Earth's rotation.
When air rises in a low-pressure system, it cools and water vapor can condense into ___________.
clouds
What happens to wind speed as the pressure gradient increases?
Wind speed increases, and the air moves faster.
cold air pushes under warm air, often causing rapid lifting, thunderstorms, quick temperature drop.
cold front
Which of the following weather conditions is typically associated with a low-pressure system?
Clouds and precipitation
How does air pressure influence local weather changes?
Air pressure differences create wind. Low pressure often causes clouds and storms.
Explain how the Coriolis effect influences wind patterns in the Northern and Southern Hemispheres.
The Coriolis effect causes winds to curve due to Earth's rotation, resulting in winds curving to the right in the Northern Hemisphere and to the left in the Southern Hemisphere
What characterizes a high-pressure weather system?
Air is heavier and sinks toward the ground. Usually brings clear skies and calm weather.
when a cold front catches up with a warm front and results in a blocked front, can also result in cloudy weather with patches of rain.
occluded front
How does air pressure affect wind movement?
Wind moves from higher pressure areas to lower pressure areas.
Air pressure is the weight of air pushing down on Earth. This happens because air molecules are packed ______________, resulting in higher density.
tightly
Describe the process by which air pressure differences create wind.
Air moves from areas of higher pressure to areas of lower pressure. This movement is driven by pressure differences and results in wind formation
Which effects are associated with low-pressure weather systems?
Air rises away from the ground, often bringing clouds and precipitation. Sometimes associated with rain or storms.
when the boundary between two air masses stalls. Cloudy skies and light rain are found along the stationary line.
Stationary front
What typically occurs in a high-pressure weather system?
Winds flow outward from the center and curve due to Earth's rotation. Usually brings clear skies and calm weather. Air is denser and sinks towards the ground.
The Coriolis effect causes winds to curve. In the Northern Hemisphere, they curve to the _________, while in the Southern Hemisphere, they curve to the _____________.
right and to the left
why low-pressure systems often lead to cloudy and stormy weather conditions.
In a low-pressure system, rising air cools and condenses water vapor into clouds and precipitation, leading to cloudy and stormy weather.
What is air pressure and how is it measured?
Air pressure is the weight of air pushing down on Earth and is measured in millibars (mb)
Air moves from regions of ________ _________ to regions of ________ __________ causing wind and changes in weather.
high pressure to lower pressure