The main types of precipitation are: rain, snow,____, and _____.
What are sleet and hail
100
Clouds form when water vapor does this.
What is condenses
100
Airplanes use this to travel more quickly and efficiently from the west to the east.
What is the jet stream
100
If you experience a tornado warning, this is where you should go in your home.
What is the basement or interior room without windows
100
When weather conditions pose a threat to people or possessions, this is issued as a notification.
What is a weather warning
200
The force of air molecules pushing on an area is...
What is air pressure
200
A collection of small water droplets or ice crystals is called a...
What is cloud
200
The boundary between 2 air masses is called this.
What is a front
200
The electric discharge between particles in a cloud is more commonly called this.
What is lightning
200
Weather conditions in the middle and upper atmosphere are measures using these.
What is balloons or aircraft.
300
How far we can see, also knows as the transparency of the air, is called this.
What is visibility
300
Scientists classify clouds by either shape or this other feature.
What is altitude
300
This type of front usually bring drizzle, followed by warm, clear weather.
What is a warm front
300
The region of the United States where tornadoes are most common is called this.
What is Tornado Alley
300
Weather radar uses radio waves bouncing off this.
What is precipitation
400
The amount of moisture in the air is know as...
What is humidity
400
This type of cloud is made of ice crystals and do not produce precipitation that reaches the Earth.
What is a cirrus cloud?
400
When 2 fronts stay in an area for days without moving, this type of front is created.
What is a stationary front
400
The name of the scale used to measure the wind speeds of a hurricane is called:
What is the Saffir-Simpson Hurricane Scale
400
A graphic representation of the weather conditions at different weather stations is called a...
What is station model
500
The temperature at which more condensation than evaporation occurs
What is dew point
500
A stratus cloud at ground level is known as this.
What is fog
500
A low pressure system creates this kind of weather.
What is stormy weather
500
Since light travels faster than sound, you can count to 3 between the lightning and thunder for every _______ to determine how far away the lightning is from you.