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Chapter 6 test review• Weather
Two conditions are required for cloud formation: cooling of the air and ____.the presence of particles in the air
Cold, dry air affecting the northern United States in winter often comes from ____.• continental polar air masses
Weather associated with an anticyclone is generally ____.• dry and clear
When a warm air mass and a cold air mass meet and neither can move the other, the result is a(n) ____.
• stationary front
The low air pressure of ____ is often associated with storms and precipitation.• cyclones
Scientists called ____ study the causes of weather and attempt to predict it.• meteorologists
A major difference between cyclones and anticyclones is ____.• the direction of their winds
Any form of water that falls from clouds is called ____.• precipitation
What kind of weather could a continental tropical air mass that formed over northern Mexico bring to the southwestern United States?
• hot and dry
. A(n) ____ front may bring many days of rain because neither the cold nor warm air mass can move the other.
• stationary front
Air mass A is a ____. Air mass B is a ____.Air mass E is a ____.Air mass D is a ____.
Maritime polar
Continental polar
Continental tropical
Maritime tropical
True (A) or False (B) A tornado is more likely to occur at Y than Z?
true
. A long-lasting storm that begins over the warm surface of the ocean and has winds of 119 km/h or higher is a ____.
• hurricane
Large clouds that often produce thunderstorms are called ____.
• cumulonimbus clouds
• What does A represent?
• What does D represent?
• What is F called?
• What does C represent?
• What does E represent?
isobar
warm front
cold front
occluded front
stationary front
A funnel-shaped cloud that touches Earth’s surface is called a ____.• tornado
Hurricanes typically form over ____.
• warm ocean water
The boundary where unlike air masses meet but do not easily mix is called a(n) ____.
• front
What is measured using the Enhanced Fujita scale?• tornado damage
. On weather maps, the curved lines connecting places with similar temperature conditions are called ____.
• isotherms
Small lines at the end of the shaft that represents wind direction on a weather map indicate ____.
• wind speed
Very high feathery clouds are called ____.
• cirrus clouds