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Intensity cannot be determined due to a lack of information. This rating applies to tornadoes that traverse areas with no damage indicators, cause damage in an area that cannot be accessed by a survey, or cause damage that cannot be differentiated from that of another tornado. [4] N/A EF0: 65–85: 105–137 52.82% Minor damage.
This is a list of tornadoes which have been officially labeled as F4, EF4, IF4, or an equivalent rating during the 2000s decade. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the ...
EF4 damage was inflicted on a well-built two-story home that was leveled with only a pile of debris remaining, with some of the debris scattered into the yard. The wind speed estimate in this area was 175 mph (282 km/h). EF2-EF3 damage occurred in many other areas along the path as well. [13] [14] [8] April 19: 2020: United States Mississippi
The day 1 outlook for December 28, issued by the Storm Prediction Center. A moderate (4/5) risk was issued by the Storm Prediction Center for December 28, as a shortwave trough was expected to move through Texas and Louisiana, with the risk area also extending into Mississippi and extreme south bringing the expectation of large hail and multiple tornadoes, some being strong (EF2+).
Although the wind speeds and photographic damage examples are updated, which are more or less still accurate. [citation needed] However, for the actual TORRO scale in practice, damage indicators (the type of structure which has been damaged) are predominantly used in determining the tornado intensity.
A unique feature of the International Fujita scale compared to the Fujita or Enhanced Fujita scale is a new damage indicator based on measured wind speeds. For the IF scale , only wind speeds measured at or below 10 metres (11 yd) can be used to determine a rating.
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The tornado then weakened to EF1 intensity as it crossed Eagles Crest Drive, continuing to inflict roof damage to homes and damaging trees. The tornado then crossed Town East Boulevard and moved through unpopulated fields and wooded areas. There were few damage indicators in this area and an EF0 rating was given along this portion of the track. [3]