The Water Cycle
The process of the water cycle that forms clouds
What is condensation?
a large body of air with similar temperature and moisture.
What is an Airmass?
What is it called where two air masses meet?
A front
What tool measures air pressure?
A barometer.
How long does a tornado usually last?
7-21 minutes
rain, sleet, snow, and hail are examples of...
What is precipitation.
Where could we go to find a cold high pressure Air Mass?
Anywhere that is cold such as Antarctica, North Pole, Northern Canada etc.
The weather forecast indicates that the weather will be turning cold very quickly with the chance of a thunderstorm or even tornado. What type of front would cause this?
A high pressure or cold front.
What is heavy rains in one area?
What is evaporation, condensation, precipatation?
A high pressure air mass moves into an area. What kind of weather can we expect?
What is clear skies and sunny?
This type of front brings many days of cloudy, wet weather.
A low pressure or warm front
This is what air does when it is heated
What is in a thunderstorm?
Clouds are made up of
What is water and dust?
What causes differences in air pressure around the world?
The uneven heating of the Earth. Warm air rises at the equator (low pressure). Cold air sinks at the poles (high pressure).
When one front pushes another away and remains for a long period of time, we call this a....
Stationary Front
What would increase air’s ability to hold more water vapor or increase the humidity?
An increase in temperature
This is the best way to stay safe if you are trapped in a tornado or hurricane.
What is to get into the lowest part of a building, away from windows, and under something that is solid?
This powers or starts the water cycle
What is the sun?
Where could we go to find a tropical warm low air mass?
Anywhere that is warm and usually near the equator Mexico, Caribbean, Bahamas, Florida....
When to fronts meet and are very close together- what usually happens
It becomes very windy
What is the condition of the atmosphere at a particular place and time.
Weather
Where do most tornadoes occur?
The Midwest of the United States (Tornado Alley)