A boundary between two air masses is called _______.
What is a front?
100
These two air masses cause all kinds of storms.
What is a cold, dry air mass and a warm, moist air mass?
100
An isobar represents....
What is equal points of air pressure?
100
This tool is used to measure air temperature.
What is a thermometer?
200
Three things that determine an air mass are ______, ______ and ________.
What is temperature, humidity and pressure?
200
This front forms when a cold air mass meets a warm air mass and neither wants to move.
What is a stationary front?
200
In the development of a tornado, what comes in to help shape the funnel cloud and the low pressure system?
What is the wind?
200
Isotherms represent.....
What is areas of equal air temperature?
200
On a station model, the circle represents...
What is cloud coverage?
300
This air mass forms off the coast of Puerto Rico over the water.
What is a maritime tropical air mass?
300
This forms when a cold air mass as well as a cool air mass push a warm air mass upward, blocking it off from the ground. Clouds and precipitation are formed.
What is an occluded front?
300
A hurricane and tornado both begin as...
What is a cluster of thunderstorms (super cell thunderstorms)?
300
This tool is used to measure wind speed while this tool is used to measure wind direction.
What is anemometer and wind vane?
300
To determine the wind speed and wind direction on a station model, you look for....
What is the bar extending from the circle of the station model? The main bar= wind direction. The dashes off the bar= wind speed.
400
This air mass forms over the middle of Canada. This air mass has been moving south causing extremely cold temperatures in the U.S.
What is a continental polar air mass?
400
This front forms when cold air slides under warm air, pushing it upward, creating clouds, precipitation and storms.
What is cold front?
400
These four things need to happen for a blizzard to occur....
What is cold temperatures, high winds, lots of snowfall and must last at least 3 hours?
400
In order to read a sling psychrometer, you must do the following things....
What is 1. swing sling psychromter in the air to get a reading. 2. subtract the wet bulb temperature from the dry bulb temperature. 3. use the chart to determine the relative humidity. ?
400
This number on the station model tell us the current air temperature.
What is the number on the upper left hand corner?
500
This air mass can bring heavy snow in the winter time.
What is a maritime polar air mass?
500
_____ front is represented with a line and triangles. ______ front is represented with a line and circles.
What is a cold front, a warm front?
500
A storm that forms over the tropical waters goes through the following classification before becoming a hurricane.... __________, __________, __________, hurricane.
What is cluster of thunderstorms, tropical depression, tropical storm?
500
If a barometer is showing an air pressure of 992mb, what kind of weather could we expect?
What is clouds, precipitation and possible storms?
500
These two weather phenomenons occur every few years. They cause unusual patterns of wind in certain locations which cause weather patterns to change.