What is Weather?
Weather?
Weather Patterns
Patterns?
Mixed Weather
100
____________________ refers to the state of the atmosphere at a specific time and place.
Weather
100
When air is cooled to its dew point near the ground, it forms a stratus cloud called __________________.
fog
100
A boundary between two air masses of different density, moisture, or temperature is called a ________________.
front
100
A violently rotating column of air in contact with the ground.
tornado
100
_______________ provides almost all of Earth's energy.
Sun
200
Air moving in a specific direction is ______________.
wind
200
Water falling from clouds is called __________________.
precipitation
200
A winter snowstorm lasting 3 hours or more is a ________________.
blizzard
200
A person who studies the weather is a __________________.
meteorologist
200
When the temperature is low, molecules in air move ______________ and it feels __________.
less rapidly ---- cold
300
Name two actual weather instruments.
barometer, thermometer...
300
What are the four main types of precipitation?
rain, snow, sleet, hail
300
A large body of air that has properties similar to the part of Earth's surface over which it develops.
air mass
300
What is the most powerful storm?
the hurricane
300
These clouds form layers, or smooth, even sheets in the sky.
Stratus clouds
400
The temperature at which air is saturated and condensation forms is the ______________.
dew point
400
What are the three main cloud types?
cumulus, stratus, cirrus
400
What are the four types of fronts?
warm, cold, occluded, and stationary
400
When the temperature is high, molecules in air move ______________ and it feels ____________.
rapidly ---- warm
400
The pattern of weather that occurs in an area over many years is the ____________________
climate
500
The amount of water vapor present in the air is called _________________.
humidity
500
This is a measure of the amount of water vapor present in the air compared to the amount needed for saturation at a specific temperature.
relative humidity
500
Describe the symbols for each of the four types of fronts.
warm- red semicircles cold- blue triangles occluded- purple triangles and semicircle stationary- red semicircles and a blue triangle
500
What are two other names for hurricanes?
cyclones and typhoons
500
Masses of puffy, white clouds, often with flat bases are ___________________
Cumulus clouds
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