Ef0 F1 Tornado
The vast majority of tornadoes are designated ef1 or ef0 also known as weak tornadoes but weak is a relative term for tornadoes as even these can cause significant damage.
Ef0 f1 tornado. Since 1980 almost 75 of tornadoes rated weak stayed on the ground for 1 mi 16 km or less. An f1 tornado had wind speeds between 73 and 112 mph 117 and 180 kmh. F0 and f1 tornadoes are typically short lived. The weakest tornado is an ef0 while the strongest is an ef5.
On 1 february 2007. An ef0 tornado caused tree and power pole damage in the small town of farwell and damage to trees and outbuildings occurred in the small community of lawler as a result of an ef1 tornado. Two f1 tornadoes struck the western regions of italy. Examples of tornadoes rated ef 0 to ef 5 and the damage they cause.
The ef scale was revised from the original fujita scale to reflect better examinations of tornado damage surveys so as to align wind speeds more closely with associated storm damage. It was developed between 2000 and 2004 by the fujita scale enhancement project. On the now retired fujita scale the tornado damage scale that the enhanced fujita scale replaced an ef1 tornado use to be an f1 tornado. A tornado is rated from one of six categories ef0 ef1 ef2 ef3 ef4 or ef5 on this scale.
In the united states the fujita scale was replaced with the enhanced fujita scale ef scale which is now the primary scale used the united sites and. Since 1970s there has been a large increase in damage caused by rated f0 tornados. The enhanced fujita scale is the tornado rating scale currently used in the united states of america. An ef1 tornado the second weakest tornado on the enhanced fujita scale will cause moderate damage.
From that a rating from ef0 to ef5 is assigned. An f0 tornado has a rating classification of weak. Tornadoes are rated by their intensity and the damaged they cause to vegetation and human created structures. Enhanced f scale for tornado damage.
The new scale has to do with how most structures are designed. An update to the the original f scale by a team of meteorologists and wind engineers to be implemented in the us.