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The damage is surveyed and where damage boundaries are is noted. This is the used to show how wide the tornado is.
Note that the size is not a factor in how the tornado is rated but how intense the damage is.
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What tool used to rate tornado strength?
Tornado strength is assessed on the Enhanced Fujita scale. It is not so much a tool as a set of guidelines. Meteorologists and engineers survey the damage done my a tornado, using it to estimate the wind speed at various points along the path. The highest wind speed is used to assign a rating, ranging from EF0 for the weakest tornadoes to EF5 for the strongest.
What determines a tornado's EF rating?
A tornado's rating is determined by damage, which is used to estimate the tornado's peak wind speed.
What scale of measurement or tool is used to measure the force of a tornado's wind?
The wind of a tornado may be remotely measured using Doppler radar. In rare instances an anemometer makes it inside a tornado and measure wind directly. However, most tornadoes never have their winds actually measured. Instead the wind speed is estimated from the severity of the damage using the parameters of the Enhanced Fujita scale.
What is being measured when categorizing a tornado?
Tornado ratings are determined based on the severity of the damage a tornado inflicts, which is in turn used to estimate wind speed.
What type of tornado causes light damage?
"Light damage" is the term used to describe the damage caused by an F0 tornado.
What monitors tornado acitvity?
The tool that is used to monitor tornado activity is the Doppler weather radar.
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The most valuable tool is doppler radar, which can detect the rotation in a thunderstorm that can produce a tornado, and even the rotation of the tornado itself. The introduction of dual polarization in these radars can be used to detect debris lifted into the air.
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What tool used to rate tornado strength?
Tornado strength is assessed on the Enhanced Fujita scale. It is not so much a tool as a set of guidelines. Meteorologists and engineers survey the damage done my a tornado, using it to estimate the wind speed at various points along the path. The highest wind speed is used to assign a rating, ranging from EF0 for the weakest tornadoes to EF5 for the strongest.
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The main tool is Doppler radar, which can remotely measure wind speed and direction. This can be used to find rotation in a storm associate with a possible tornado. Another, recently developed tool is dual-polarized radar. Unlike conventional radar, this radar can distinguish between rain, hail, and tornadic debris.
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