A
In which part of the water cycle is rain, hail, sleet, and snow formed?
precipitation
Which clouds are highest in the sky and made of ice crystals?
cirrus
How do air masses move across the United States?
From west to east
Describe the Jet Stream.
a river of air that moves weather around the globe
After a heavy rain, puddles are left on the ground. Eventually the puddles disappear. What is responsible for their disappearance?
evaporation
Clouds form in the sky when water vapor condenses. What causes condensation?
a decrease in heat energy (cooling)
How does the Gulf Stream affect weather along North Carolina’s coast?
The warm water current keeps temperatures warm along the coast
A warm air mass slowly passes over a cold air mass. As the warm air begins to cool clouds form. What can you predict will happen next?
rain will fall
Which clouds indicate stormy conditions with heavy rain?
cumulonimbus
Which clouds are low in the sky and cover the sky like a blanket?
stratus
What does a barometer measure?
Air pressure – the only tool that can predict weather.
Clouds forming in the atmosphere is an example of which part of the water cycle?
condensation
Which will most likely result from a low pressure system?
windy/cloudy/rainy weather
If the forecast calls for a cold front to move into your area, what kind of weather can you expect?
cold air and stormy conditions
What type of climate is found close to the equator?
tropical
Which type of precipitation freezes, melts, then freezes again?
sleet
Which clouds would you like to see if you are planning a picnic in the park?
cumulus
Which weather tool would best measure the wind’s speed?
an anemometer
Which type of precipitation bounces up and down in the clouds?
hail
Describe cirrus clouds
thin, wispy clouds that indicate fair weather