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Although there are different scenarios that might produce a cirrus cloud, they are often found in advance of a warm front. The warm air rides up on the cooler air as it moves. The actual meeting of the air masses is higher in the atmosphere in advance of the ground location of the front. As the warm air rises a combination of dropping pressure and dropping temperature (adiabatic cooling) causes the water vapor to change state. Because warmer air is less dense, it tends to remain above the cooler air mass.

The highest clouds are cirroform clouds. These clouds are made up of ice crystals and are found at 6-12 km. This group includes cirrus clouds, which are observed from the surface as thin hooks and strands. While cirrus clouds are easily observed from the surface, they are usually so thin that they are difficult to detect by satellite. In strong thunderstorms, however, strands of thicker cirrus clouds are often visible as outflow at the top of the thunderstorm. Cirrus clouds are very helpful in determining the direction of upper-level winds. The cloud strands, when visible, are oriented parallel to the upper level winds. Dense cirrus decks can be observed in visible images as streaks or bands and can be distinguished from lower clouds by the shadow they cast below. In the infrared image, the denser cirrus are very bright because of their cold temperature, but can be subject to the effects of a heterogeneous field of view.

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Related Questions

What will happen if you see a cirrus cloud?

nothing much


What kind of cloud formations will you see during flood?

cirrus clouds


What type of front is approaching if you see cirrus clouds high in the sky EXPLAIN how you know?

A warm front is likely approaching if you see cirrus clouds high in the sky. These clouds are indicators of an advancing warm front because they form at high altitudes where warm air is being lifted over the cooler air present ahead of the front. This lifting of warm air can produce cirrus clouds, which are composed of ice crystals and are often thin and wispy in appearance.


What is the name of the cloud you see when it rains?

A rain cloud is usually a "nimbus" cloud such as the nimbostratus and cumulonimbus (thunderstorm) clouds.


Why can we see a cloud?

because the clouds are basically watervapour and if there wernt clouds there wouldn't be much rain


How do you know if it will rain?

if you see a black or grey cloud in the sky and some people say that cows know if it will rain, I'm not sure how they show it if they do at all


Why doesn't it always rain when we see clouds?

Because not all clouds produce rain ! The water droplets inside a cloud need to be a minimum size to succumb to gravity and fall as rain.


What weather does cirrus clouds bring?

Cirrus clouds usually approach with fair weather, but the fair weather may later indicate that a storm/thunderstorm is approaching.


Is a hurricane usually accompanied by a funnel-shaped downward extension of a cloud?

No, a tornado is accompanied by such a cloud. Hurricanes generally have ordinary-looking storm clouds if you can see them through the rain.


Why are cirrus clouds rain clouds?

Cirrus clouds arrive before other clouds as a warm front approaches because the are the leading edge of the front. They typically form as the warm front approaches a cold front or stationary boundary.


What does a nimbostratus cloud look like?

A nimbostratus cloud looks like a thick, dark, gray cloud that often covers the sky and brings continuous precipitation, such as rain or snow. It has a uniform appearance with a veil-like structure, making it difficult to see individual cloud formations within it.


If you look outside and see some high thin clouds. is it likely to rain?

High thin clouds, such as cirrus clouds, typically indicate fair weather as they are composed of ice crystals and are often seen before a change in the weather. Therefore, it is less likely to rain when you see these clouds.