What type of weather is brought by an occluded front?
A change in the weather occurs when a front passes over an area.There are many fronts that cause weather events.There is a chance of storms at a cold front.There may be low clouds at a warm front.The skies clear after the front passes.
A weather front is a transition zone between two different air masses.Each air mass has its own characteristics.The borderline is where two different air mass come together.Clouds and storms can be caused by turbulence.
A change in temperature is caused by some fronts.Earth's largest storms start with storm fronts.There are waves in the tropical Atlantic Ocean off the coast of Africa.If conditions allow, these fronts can become tropical storms or hurricanes.
There are fronts on the Earth's surface.High winds, such as Jet Streams, guide the direction of movement.Mountains can change the path of a front.
There are four different types of weather fronts.
A cold front forms when a warm air mass pushes into a cold one.Changes in the weather can be caused by cold fronts.They move up to twice as fast as a warm front.As a cold front moves into an area, the heavier air pushes under the lighter air, causing it to rise up into the troposphere.In the image on the left, you can see that the warm air ahead of the front creates clouds and storms.
The winds become strong as the cold front passes.There is a sudden drop in temperature and sometimes heavy rain.The pressure goes up at the front.After a cold front moves through your area, you may notice that the temperature is cooler, the rain has stopped, and the clouds are gone.
On weather maps, a cold front is represented by a solid blue line with filled-in triangles along it, like in the map on the left.The triangles are pointing in the same direction as the front is moving.As you cross the front line, the temperatures at the ground level change from warm to cold.
A warm front forms when a warm air mass pushes into a cooler one.The warm air at the surface rises above the cool air mass in the sky, making clouds and storms.It is more difficult for the warm air to push the cold, dense air across the Earth's surface when there is a warm front.Warming air from the south is pushed north by warm fronts on the east side of low-pressure systems.
Ahead of a warm front, you will often see high clouds like cirrus, and middle clouds such as altostratus.The warm air above the cool air is where these clouds form.There is a chance of rain as the front passes over the area.If the air is not stable, there can be storms.
The surface location of a warm front is represented by a solid red line with red, filled-in semicircles along it, like in the map on the right.The semicircles show the direction of the front.The front is moving on the side of the line.The map shows that the temperatures at ground level are cooler in front of the front than behind it.
A map shows a stationary front with triangles pointing in one direction and semicircles in the other.
When a cold front or warm front stops moving, a stationary front forms.Two mass of air are pushing against each other, but neither is powerful enough to move the other.It can stay in place if the winds blow parallel to the front.
A front may be stationary for a while.The front will become either a cold or warm front if the wind direction changes.The front may break apart.
There are differences in air temperature and wind on the opposite side of a stationary front.If the front is in an area of low atmospheric pressure, the weather can be cloudy and rain or snow can fall.
A stationary front with alternating red semicircles and blue triangles is shown on a weather map.The blue triangles and red semicircles point in opposite directions.
An occluded front is represented on a weather map by a purple line with alternating triangles and semicircles.
A cold front can follow a warm front.There is a warm air mass pushing into a coldair mass, and then there is the cold front.The warm front is likely to be overtaken by the cold front.An occluded front is where this is located.
The cold air mass from the cold front meets the cool air that was ahead of the warm front at an occluded front.As the air mass come together, the warm air rises.The fronts form around low atmospheric pressure.
There is often precipitation along an occluded front.The temperature either warms or cools when the wind changes direction.The air is less humid after the front passes.
On a weather map, an occluded front looks like a purple line with alternating triangles and semicircles pointing in the direction that the front is moving.When cold and warm fronts connect, it ends at a low pressure area with a large L on the map.