A huge body of air that has similar temperature, humidity, and air pressure throughout.
What is an air mass?
100
Area where air masses meet and do not mix.
What is a front?
100
A violent disturbance in the atmosphere?
What is a storm?
100
Scientists who study the causes of weather and try to predict it.
What is a Meteorologists?
100
A "snapshot" of conditions at a particular time over a large area.
What is a weather map?
200
Warm and and have low air pressure.
What is tropical?
200
When a rapidly moving cold air mass runs into a slowly moving warm air mass.
What is a cold front?
200
Heavy rain accompanied by lightning and thunder.
What is a thunderstorm?
200
Objects that carry instruments high into the troposphere and stratosphere.
What is a weather balloon?
200
Lines joining places on a map that have the same air pressure.
What are isobars?
300
Cold and high air pressure.
What is Polar?
300
When a warm air mass collides with a slowly moving cold air mass.
What is a warm front?
300
A rapidly whirling, funnel-shaped cloud.
What is a tornado?
300
Objectgs launched into orbit to collect weather data.
What is a satellite?
300
Lines joining places that have the same temperature on a weather map.
What is an isotherm?
400
Form over Oceans.
What is Maritime?
400
When cold and warm air masses meet but neither one has enough force to move the other.
What is a stationary front?
400
A tropical storm that has winds of 119 km/h or higher.
What is a hurricane?
400
Instrument that can process large amounts of information quickly to help forecasters make predictions.
What is a computer?
400
L or H
What are pressure symbols?
500
Form over land.
What is Continental?
500
A warm air mass is caught between two cooler air masses.
What is an occluded front?
500
Frozen precipitation formed when a cold air mass moves across a large body of water and pickes up water vapor.
What is lake effect snow.
500
Two areas where changes in technology have occurred.
What is gathering weather data and using computers to make forecasts?
500
Four types of information on a weather map.
What are temperature, isotherms, pressure systems, isobars, precipitation, wind speed, cloud cover, fronts, region boundarys, city names, & water and land masses.