Air Masses
The huge body of air that has similar temperature, humidity, and air pressure at any given height.
What is an air mass?
The boundary where air masses meet.
What are fronts?
Thunderstorms form in large cumulonimbus clouds, which are otherwise known as...
What are thunderheads?
This type of snow forms when cold, dry air moves over warmer water of lakes.
What is lake-effect snow?
Scientists who study the causes of weather and try to predict it.
Who are meteorologists?
The two types of characteristics to identify an air mass.
What are temperature and humidity?
The fast-moving warm air mass overtakes a slowly moving cold air mass.
What is a warm front?
A tornado that forms over a body of water.
What is a waterspout?
A large rotating storm with high speed winds that forms over warm waters in tropical areas.
What is a hurricane?
Object that goes into the troposphere to gather info on air pressure, temperature, and humidity.
What are weather balloons?
Warm air mass that forms in the tropics.
What is tropical?
When warm air is stuck between two cooler air masses.
What is an occluded front?
The United States has this many tornadoes each year.
The part of the hurricane where there is low air pressure, no clouds, and the wind is calm.
What is the eye?
The organization where meteorologists get their data and information from.
What is the National Weather Service?
Dry air mass that forms over land.
What is continental?
The fast-moving cold air mass runs into a slowly moving warm air mass.
What is a cold front?
When rapidly heated air expands, it explodes.
What is thunder?
The most dangerous part of the hurricane.
What is the eye wall?
The average amount of time a tornado happens.
What is about 15 minutes?
Humid air mass that forms over oceans.
What is maritime?
When neither cold air nor warm air can drive out the other.
What is a stationary front?
For tornadoes, wind speeds can reach this number.
What is 300 MPH?
If a hurricane has wind speeds between 130-156 MPH, it would be categorized as...
What is a Category 4?
The cold air mass that forms north of 50 degrees north latitude.
What is a polar air mass?