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EF means "Enhanced Fujita" referring to the scale that is used, called the Enhanced Fujita Scale.
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What does the EF stand for in a tornado rating?
Enhanced Fujita
What is an EF1 tornado?
The EF Scale (Enhanced Fujita Scale) measures the strength of a tornado from EF0 to EF5 based on damage An EF1 is the second weakest category, with estimated wind from 86 to 110 mph. Damage includes badly stripped roofs, broken windows, and overturned trailers.
What is the wind speed of an EF1 tornado?
Estimated winds for an EF1 tornado are 86-110 mph.
What are EF-1 and EF-2?
EF1 and EF2 are ratings on the Enhanced Fujita scale, which uses the damage a tornado does to assign it to one of six strength categories which run from EF0 at the weakest to EF5 at the strongest. An EF1 tornado has estimated winds of 86-110 mph. It is considered a relatively weak tornado with typical damage including broken windows, badly damaged roofs, and overturned trailers. An EF2 tornado with winds of 111-135 mph is considered the beginning of a strong tornado. Typical Ef2 damage includes roofs torn from well-built houses, and trailer homes completely destroyed.
What is the difference between a F1 tornado and an EF1 tornado?
There is very little difference. In February of 2007 the Fujita or "F" scale was replaced with the Enhanced Fujita or "EF" scale. The EF scale uses more detailed analysis of damage than the original F scale so that tornadoes can be rated more accurately. The EF scale also provides different estimates of wind speeds for the degrees of damage. So EF1 damage is essentially the same as F1 damage but it may be examined in greater detail. Additionally F1 wind estimates range from 73 mph to 112 mph while EF1 wind estimates range from 86 mph to 110 mph.
Could an EF1 Tornado Lift Up Atomic Betty's Ship?
No. An EF1 tornado can lift a poorly secured roof, but not much more than that.
What is the usual strength of a tornado?
A typical tornado is probably a strong EF0 or EF1.
Can an EF1 tornado uproot trees?
Yes, an EF1 and even an EF0 tornado can uproot trees, though it partly depends on the condition of the soil and how strong the root system is.
How old is an EF1 tornado?
Tornado ratings are a reflection of intensity, not age. The first EF1 rating was assigned to a tornado on February 2, 2007, 1 day after the new scale went into effect. Prior to that a tornado of the same intensity would be rated F1. Since the new scale was implemented over 2,000 tornadoes have been rated EF1.
Did Baltimore have a tornado before?
Yes. Baltimore was hit by an F2 tornado in 1973, an F0 tornado in 1996, an EF1 tornado in 2010, and an EF0 tornado in 2013.
Was there a tornado last night?
If by last night you mean April 4, 2011 then yes. There were at least 5 tornadoes confirmed in 3 states. In Kentucky there were 2 EF1 tornadoes and an EF2. In Tennessee there was also an EF1 tornado. In Ohio there was an EF0 tornado.
What was the most weakest tornado?
the most is EF0 and EF1 as their winds are up to as of EF0 65 to 85 and EF1 86 to 110 these weak tornadoes occur more often than any category tornado
