FRONTS

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FRONTS
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FRONT
Where air masses meet and do not mix.
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4 Types of weather fronts
Cold Front
Warm Front
Stationary Front
Occluded Front
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Cold Front
When a fast moving cold air mass runs into a slow
moving warm air mass and the denser cold air
slides under the less dense warmer air.
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Cold Front

• An animation

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A cold front symbolThe direction that the teeth
point indicate the direction the front is moving.
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Warm Front
When a moving warm air mass collides with a
slowly moving cold air mass and the less dense
warm air moves over the cold air.
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Warm Front

• An animation

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Warm Front symbolThe directions that the bumps
face is the direction the front is moving.
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Stationary Front
When a cold air mass and warm air mass meet, but
neither air mass has enough force to move the
other air mass.
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Stationary Front Symbol
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Occluded Front
When a warm air mass is caught between two cooler
air masses and the denser cold air masses move
underneath the less dense warm air mass and push
it upward.
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Occluded front symbol The directions that the
bumps face is the direction the front is moving.
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Cold, Warm, Stationary, Occluded
Animations
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Which types of fronts can you find on this map?
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• http//www.weather.com/maps/maptype/currentweather
  usnational/uscurrentweather_large.html

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Videos

• Weather Fronts
• http//www.brainpop.com/science/weather/weather/pr
  eview.weml

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Weather Fronts Video

• Video

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Stationary and Occluded
Link
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Warm and Cold Text Diagram
Link