Weather Conditions
What is weather?
The state of the atmosphere at a given time and place.
How does a thunderstorm form?
A cold front forces warm air up and forms a thunderhead.
Where do polar climates occur?
Near the north and south poles.
High air pressure means what type of weather is coming?
Dry
What is lightning?
Electric current from one part of a cloud to another or from a cloud to the ground.
Where do tropical climates occur?
Near the equator.
Low air pressure means what type of weather is coming?
Precipitation
What is a tornado?
A powerful wind storm with a whirling, funnel-shaped cloud and very low pressure.
Which climate zone has warm summers and cold winters?
Temperate zone.
Why does air pressure drop as you go higher in the atmosphere?
There is less air at higher altitudes to press on objects, so the air pressure drops.
The middle section of a hurricane where the weather is calm.
The eye.
How does height above sea level affect climate?
Temperatures are generally cooler at higher altitudes.
What is relative humidity?
The amount of water vapor in the air compared to its capacity (how much it is able to hold).
What causes a hurricane to lose its force?
Friction from hitting land and losing heat and moisture.
What effect does a large body of water have on climate?
Milder temperatures.