ATMOSPHERE
HUMIDITY
PRECIPITATION
AIR MASSES
WILD CARD
100
What does a barometer measure?
air pressure
100
What does humidity describe?
how much moisture is in the atmosphere
100
What tool do meteorologists use to measure temperature?
thermometer
100
What would a polar maritime air mass feel like?
cold and humid
100
What do you use an psychrometer to measure
humidity
200
what causes wind?
unequal heating OR differences in pressure
200
what temperature air holds more water, warm or cold?
warm air
200
What type of precipitation do we get when both the clouds and the air below them are below freezing?
snow
200
what is it called when two air masses meet but do not mix?
front
200
What type of front is represented by blue triangles?
cold front
300
Which gas is the most common gas in the atmosphere?
nitrogen
300
What happens when air is cooled below its dew point?
condensation forms
300
What time of year does hail usually form?
summer
300
When a cold air mass overtakes a warm air mass, what happens?
cold air lifts warm air mass, causes clouds and precipitation
300
where was Snowflake Bentley from?
Jericho, VT
400
What happens to the air pressure as you climb higher in altitude?
decreases
400
where do cirrus clouds form?
high altitude
400
What is at the center of every snowflake?
a speck of dust (condensation nuclei)
400
What type of precipitation would you expect with a cold front?
intense rain or snow storms
400
Where do hurricanes usually develop?
over the ocean in the Caribbean, near the equator
500
What layer of the atmosphere do we live in?
Stratosphere
500
In addition to water vapor, what is necessary to form clouds
condensation nuclei
500
What type of precipitation forms when water droplets leave a cloud and freeze as they pass through colder layers of air on their way to the ground?
sleet
500
what temperature is the air in low pressure systems, relative to the surrounding air?
warmer
500
Where do lenticular clouds form?
over mountains
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