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What do tornadoes start as?
Tornadoes start as a funnel cloud, becoming a tornado when they reach the ground.
What do you call a tornado that does not touch the ground?
A tornado that does not touch the ground is a funnel cloud.
What color of sky warns of tornado activity?
No particular sky color necessarily indicates tornado activity. It is commonly state that a greenish sky indicates a tornado, but it doesn't need to be gray for a tornado to occur, nor does a green sky necessarily mean there is a tornado, just a severe thunderstorm. In a tornadic storm the clouds may appear green, gray, yellow, or black.
How long was tuscaloosa tornado on ground?
The Tuscaloosa-Birmingham tornado of 2011 was on the ground for about 90 minutes.
Is a funnel cloud a tornado?
Not technically. It is the beginning of a tornado, but they are categorized differently. It is not considered a tornado until it reaches the ground with damaging winds.
What happens before the tornado hits the ground?
Before a tornado hits the ground, a rotating column of air forms in the storm cloud known as a funnel cloud. This funnel cloud extends towards the ground, and once it makes contact, the tornado is then officially considered to have touched down.
Does a fire tornado start with a fire on the ground or does the fire come down with the tornado or start from lightning?
The "fire tornado" forms from the fire; it doesn't really matter how the fire starts. Also, a "fire tornado" is more properly called a fire whirl as it technically isn't a tornado.
What do tornadoes start as?
Tornadoes start as a funnel cloud, becoming a tornado when they reach the ground.
What color is the sky when there is a tornado looming overhead?
The sky can appear dark or greenish when a tornado is looming overhead.
What do you call a tornado that does not touch the ground?
A tornado that does not touch the ground is a funnel cloud.
What is a name for a funnel cloud touching the ground?
A funnel cloud that touches the ground is commonly known as a tornado.
What is the part of the tornado that touches the ground called?
A tornado that doesn't touch the ground isn't a tornado; it is a funnel cloud. However if the funnel is pulling debris off the ground or making some other type of contact with the ground it is a tornado.
When a tornado has been seen in the sky or on a weather radar in your area the national weather service issues a what?
The National Weather Service issues a tornado warning when a tornado has been spotted on the ground or indicated by weather radar in your area. This is to alert residents to take immediate shelter and protect themselves from the approaching tornado.
What causes a tornado to appear dark when it touches the ground?
A tornado often appears dark were it is touching the ground be cause the powerful winds of the tornado lift dirt from the ground.
What color of sky warns of tornado activity?
No particular sky color necessarily indicates tornado activity. It is commonly state that a greenish sky indicates a tornado, but it doesn't need to be gray for a tornado to occur, nor does a green sky necessarily mean there is a tornado, just a severe thunderstorm. In a tornadic storm the clouds may appear green, gray, yellow, or black.
When a tornado is measured is it from the cloud or on the ground?
The intensity of a tornado is rated based on damage done on the ground.
How long was tuscaloosa tornado on ground?
The Tuscaloosa-Birmingham tornado of 2011 was on the ground for about 90 minutes.
