What is from west to east?
A blue H on a weather map indicates
What is a high pressure system?
The boundary between 2 air masses of different densities
What is a front?
A large body of air that has the same properties as the Earth's surface over which it developes and has the same density and moisture content.
What are air masses?
What is NO?
Weather consisting of generally heavy rains, thunder, lightning, and possible hail
What is a thunderstorm?
A red L on a weather map indicates:
What is a low pressure system?
When a cold air mass moves underneath a warm air mass, resulting in heavy rains and possible thunderstorms, and cooler temperatures
What is a cold front?
Air masses that form over warm, dry land
What are continental tropical (cT) air masses?
Wwhen preparing for a hurricane, what are two things you need to do to your home?
What is secure all loose objects and board windows?
This severe storm forms over warm, tropical waters and is noted for its extremely strong winds and rain
What is a hurricane?
This front is represented by semicircles located on one side of a frontal line:
What is a warm front?
When a warm air mass rises above a cold air mass, bringing gentle showers followed by warmer temperatures
What is a warm front?
Air masses that are cold and dry
What are continental polar (cP) air masses?
It is dangerous to be in water during a thunderstorm for this reason
What is the electricity found in lightning can travel through water and electrocute you?
A vortex of violently twisting winds that produce a funnel shaped cloud
What is a tornado?
This front is represented by triangles on one side and semicircles on the opposite side of a frontal line
What is a stationary front?
A front in which a cold air mass and a warm air mass are not strong enough to replace one another, and so clouds and rains stay in an area for an extended period of time
What is a stationary front?
Air masses that are found over warm, tropical waters
What are maritime tropical (mT) air masses?
When there is flooding is it best to NOT do this
What is walk or drive through it?
The enhanced Fujita scale is used to classify these extremely severe storms as EF-0 through EF-5, depending on the damage done.
What are tornadoes?
This front is usually represented by a purple frontal line in which semicircles and triangles are found on the same side
What is an occluded front?
What is an occluded front?
Air masses that form over cold waters
What are maritime polar (mP) air masses?
If encountering a tornado, you should
What is move away from all windows and doors, get to the lowest point, and cover your head?