WorksheetsWeather - Air Masses, Fronts, Convection, Pressure, El Nino, La Nina
Total questions: 20
Worksheet time: 10mins
A cold air mass is moving toward a warm air mass, and nimbostratus clouds are observed in the sky. Which weather conditions are most likely?
a cool, rainy day
a cool, sunny day
a warm, rainy day
a cool, sunny day
A cold front has just reached the area of Idaho that is marked with a star. Which numbered point will the cold front MOST likely reach next?
1
2
3
4
Ohio often has the weather that Indiana recently had because weather in the United States tends to move from
south to north.
north to south.
west to east.
east to west.
The diagram above shows a weather map. Which city is MOST likely to experience the cold front first?
Athens
Dayton
Marietta
Steubenville
Which will most likely result from a low-pressure weather system?
warm temperatures
cloudy conditions
clear conditions
warm temperatures
On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?
stormy
sunny
snowy
rainy
Meteorologists forecast the high temperature for the day to be 90°F. At which time would the temperature be the closest to 90°F?
9.00am
10.00pm
2.00pm
7.00pm
Dexter saw lightning. Which of the following cloud types was most likely present?
cirrus
cumulus
cumulonimbus
Which correctly compares low- and high-pressure weather systems?
A low-pressure system usually brings cool dry air and clear skies, while a high-pressure system brings clouds and precipitation.
A low-pressure system usually brings clouds and precipitation, while a high-pressure system brings cool dry air and clear skies.
A low-pressure system usually brings warm dry air and clear skies, while a high-pressure system usually brings warm moist air and precipitation.
Which instrument is used to record average precipitation?
rain guage
barometer
anemometer
In the morning, Carlos noticed that the air pressure reading on the barometer was beginning to drop. What kind of weather can he most likely expect in the evening?
The weather will be cloudy with a chance of rain.
The weather will be warmer with clear skies.
The weather will be clear and windy.
The weather will be sunny and cool.
The forecast said a high pressure system will arrive this weekend. Benito and his friends want to go camping. Should they plan to go?
Yes, the high pressure system will create clear, sunny skies.
No, the high pressure system will create storm clouds and tornadoes.
Yes, the high pressure system will create skies filled with cumulus clouds.
No, the high pressure system will increase humidity and cause rain clouds to form.
The polar jet stream is an air current that flows across North America. It flows much faster in winter than it does in summer. Why is it faster in the winter?
Northern air has more oxygen in winter.
Northern air is warmer in winter.
Northern air is colder in winter.
Northern air is drier in winter.
Study the map of the polar jet stream above. What type of weather would MOST likely appear at the location marked X?
cold and dry
cold and wet
warm and dry
warm and wet
What will most likely result when the jet stream moves south of North Carolina?
North Carolina will experience tropical weather conditions.
North Carolina will experience hot, dry weather.
North Carolina will experience mild weather.
North Carolina will experience cold weather.
Which best describes a characteristic of the jet stream?
It forms a boundary between a cold air mass and a warm air mass.
It creates the high winds around the eye of a hurricane.
It forces the hot air along the equator to rise to areas in North America.
It causes high pressure air masses to rotate clockwise.
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?
the Gulf Stream
the jet stream
La Niña
El Niño
Which lists some effects of El Niño?
warmer temperatures and more rain
warmer temperatures and less rain
cooler temperatures and less rain
Which describes a wind that moves from the land to the sea overnight?
land breeze
sea breeze
trade winds
How could La Niña affect weather during the summer in North Carolina?
It could decrease wind.
It could increase rainfall.
It could decrease rainfall.
