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79 Cards in this Set
- Front
- Back
1,000
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Atmospheric disturbances have a diameter of this many miles or more
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Low, Counterclockwise, Northern
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Atmospheric disturbances are cells of ____ pressure with a converging ____ circulation pattern in the ____ Hemisphere
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Oval
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The isobar pattern of an atmospheric disturbance tends towards this shape
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NE to SW
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The long axis of a atmospheric disturbance tends towards this direction
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East
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A warm front extends this direction from center
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Southwest
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A cold front extends this direction from center
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Trough
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This front runs along a trough
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Westerlies
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Atmospheric Disturbances move in this wind belt
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West to East
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Atmospheric Disturbances move in this direction
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20 to 30 mph in 3 to 4 days
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Atmospheric Disturbances in the westerlies run this many miles per hour in this many days
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Parallel, Opposite
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Winds flow ____ but in ____ directions to the stationary boudnary
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Ahead of a Warm Front
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In this area of a midlatitude cyclone, there is a gradual lifting of warm air overtaking a cold air mass
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Well Ahead of the Front
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Ahead of a warm front in a midlatitude cyclone, cirro- (high) clouds are found here
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Towards the Middle of the Front
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Ahead of a warm front in a midlatitude cyclone, alto- (mid) clouds are found here
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At the Warm Front Boundary
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Ahead of a warm front in a midlatitude cyclone, strato- (low) and nimbostratus clouds are found here
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Ahead of a Warm Front
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The precipitation in this area of a midlatitude cyclone comes from a nimbostratus cloud and is light to moderate, lasting for longer periods of time
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Ahead of a Warm Front
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The winds in this area of a midlatitude cyclone are NE well ahead of the front to SE closer to the front
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East
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If the winds are from this direction, a storm system is coming
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Ahead of a Warm Front
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The temperatures in this area of a midlatitude cyclone are cool
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Ahead of a Warm Front
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In this area of a midlatitude cyclone, pressure falls as the center of the low approaches
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Northeast
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Well ahead of a warm front in a midlatitude cyclone, winds are out of this direction
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Southeast
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Close to the front of of a warm front in a midlatitude cyclone, winds are out of this direction
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Behind a Warm Front
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Warm sector of the storm
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Behind a Warm Front
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In this sector of a storm, the mT air mass is dominant
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Behind a Warm Front
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This sector of a storm has cumulus clouds
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Behind a Warm Front
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This sector of a storm has no precipitation
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Behind a Warm Front
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This sector of a storm has southerly winds
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Behind a Warm Front
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In this sector of a storm, the winds are out of the south to southwest
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Behind a Warm Front
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In this sector of a storm, your pressure is steady
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Ahead of a Cold Front
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In this sector of a storm, there is a dramatic energy exchange as a cold air mass (cP) overtakes the mT air mass
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Ahead of a Cold Front
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This sector of a storm is a narrow band of weather
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Ahead of a Cold Front
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The clouds in this sector of a storm are cumulonimbus clouds
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Ahead of a Cold Front
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This sector of a storm has a squall line
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Squall Line
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A line of storms right in front of the cold front boundary
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Ahead of a Cold Front
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This sector of a storm is also known as the terrible triangle
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Ahead of a Cold Front
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This sector of a storm has the greatest potential for producing severe weather
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Ahead of a Cold Front
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The precipitation in this sector of a storm is heavy and short lasting
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Ahead of a Cold Front
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In this sector of a storm, your winds will initially be out of the southwest but will shift to the west where they are gusty
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Southwest, West
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Ahead of a cold front, your winds will initially be out of this direction but shift to this direction
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Ahead of a Cold Front
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In this sector of a storm, temperatures will be steady but will fall
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Ahead of a Cold Front
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In this sector of a storm, pressure falls with the trough of a cold front
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Behind a Cold Front
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In this sector of a storm, the cP (cold) air mass is dominant
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Behind a Cold Front
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This sector of a storm is the cold sector of a storm
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Behind a Cold Front
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In this sector of a storm, there is a rapid clearing of clouds, leaving none in the sky
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Behind a Cold Front
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In this sector of a storm, there is no precipitation
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Behind a Cold Front
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In this sector of a storm, the winds flow North to Northwest
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Behind a Cold Front
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In this sector of a storm, the temperatures fall and it becomes cool
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Behind a Cold Front
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In this sector of a storm, pressure rises as the anticyclone approaches
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Anticyclone
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Referred to as a High (H)
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Larger
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Is an anticyclone generally smaller or larger than a cyclone?
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West to East
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Anticyclones move in this general direction
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Clockwise; Out
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The rotation of an anticyclone is ____ and ____
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Anticyclone
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With this system, air pressure is diverging (sinking) toward the surface
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Stable
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High pressure system are this, meaning they are clear and dry with no fronts
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False
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True or False: high pressure systems have fronts
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Low
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Do high or low pressure systems move faster?
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High
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This type of pressure system can stagnate
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High
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This type of pressure system has calmer winds
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Tornadoes
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The most destructive of all atmospheric disturbances
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Tornado
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A deep low pressure cell surrounded by violently whirling winds in contact with the ground
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Tornado
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This atmospheric disturbance comes in all shapes, sizes, and colors
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Tornadoes
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Have the most extreme pressure gradients
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Tornado Valley
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Most Tornadoes occur here
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Great Plains states
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These states make up Tornado alley
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TX, OK, KS, MO, NE
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These are the great plains states
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Spring
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Tornado season is in this season
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March to June
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Tornado season is between these months
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Strongest Temperature Gradient
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This is why tornado season is in the spring
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Squall Line
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Most tornadoes form within this (#1)
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Supercell Thunderstorms
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Most tornadoes form within this (#2)
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mT and cP
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Tornadoes are a result of clashes between these two air masses
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Supercells
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Highly organized thunderstorms
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Supercells
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These storms pose a high threat to life and property
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Mesocyclone
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This is the rotating updraft in a supercell
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Tornadoes
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The first characteristic of a supercell
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High winds/wind damage
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The second characteristic of a supercell
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Large hail and heavy rain
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The third characteristic of a supercell
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Tornado Watch
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Conditions are favorable for the formation of severe thunderstorms and tornadoes
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Tornado Warning
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Issues when a tornado has been sighted or indicated by a weather radar
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