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A funnel cloud is a funnel, cone, or trunk shaped cloud that extends downward from the cloud base and rotates. If dust or debris can be seen swirling beneath it, that means a tornado is con the ground. Below are pictures of some funnel clouds.
There are two main factors. First, moisture in the air condenses as a result of decompression inside a tornado, producing the visible funnel cloud. Second, a tornado's winds lift dirt and debris into the air, forming a debris cloud or dust whirl
It is usually just called a debris cloud or dust whirl.
In many cases, yes. Tornadoes are often made visible by a condensation funnel and a cloud of dust and debris they kick up. In some cases, however, a tornado may be hidden from view by rain or the dark of night.
a dust cloud
Yes, though in some cases the dust and debris can obscure the funnel.
A funnel cloud is a funnel, cone, or trunk shaped cloud that extends downward from the cloud base and rotates. If dust or debris can be seen swirling beneath it, that means a tornado is con the ground. Below are pictures of some funnel clouds.
No. The funnel itself is made of condensation from the tornado sucking in moist air. In that sense it is much like an ordinary cloud.
There are two components that make a tornado visible. The first is the condensation funnel or funnel cloud, which forms from moisture condensing inside the tornado. The other component is the debris cloud. This consists of dust and debris lifted into the air by the tornado's winds.
Without a funnel, a tornado will likely appear as a whirling cloud of dust or debris. If there is not enough of that present, then the tornado will be invisible.
tornado is often made visible by a distinctive funnel-shaped cloud. Commonly called the condensation funnel, the funnel cloud is a tapered column of water droplets that extends downward from the base of the parent cloud. It is commonly mixed with and perhaps enveloped by dust and debris lifted from the surface.
A funnel cloud is a condensation funnel made of water vapor, dust, dirt, and debris lifted upward from the ground in areas experiencing extremely low air pressure. It is the visible part of a tornado and is considered a tornado if it touches the ground.
There are two main factors. First, moisture in the air condenses as a result of decompression inside a tornado, producing the visible funnel cloud. Second, a tornado's winds lift dirt and debris into the air, forming a debris cloud or dust whirl
It is usually just called a debris cloud or dust whirl.
This is referred to as the debris cloud.
Visible signs of a possible tornado often start as rotation in the clouds of a severe thunderstorm, often with a lowered section of the cloud base called a wall cloud. As this happens a cloud of dust may appear near the ground as something called a rear-flank downdraft wraps around the rotation. Then a cone, funnel or elephant trunk shaped projection may lower itself from the cloud base. A cloud of dust and debris under this funnel cloud usually means that the tornado has touched down.
If you are referring to the part that appears wider than the rest of the funnel that is the dust or debris cloud, formed by the tornado lifting up soil and in some cases parts of trees and buildings.