What does EF mean in climate?

How does the EF scale work?

By looking at the amount of damage caused to different types of structures, scientists assign the storm an Enhanced Fujita scale classification. From the amount of damage they see, they then try to reverse engineer the storm’s wind speeds. As it tracks along the ground, a tornado’s power can change.

Why do tornadoes never hit cities?

It is a common myth that tornadoes do not strike downtown areas. The odds are much lower due to the small areas covered, but paths can go anywhere, including over downtown areas. … Downbursts often accompany intense tornadoes, extending damage across a wider area than the tornado path.

What is the least powerful type of tornado?

According to the scale, EF0 is the weakest tornado category with gusts up to 85 mph (135 kph) and EF5 is the strongest tornado with wind gusts over 200 mph (320 kph). … Weak tornadoes include those in the first two categories of the Enhanced Fujita Scale (EF0 & EF1).

What is EF rating for tornado?

The Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a ‘rating’ based on estimated wind speeds and related damage.


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EF Rating 3 Second Gust (mph)
1 86-110
2 111-135
3 136-165

What is the difference between a tornado warning and a tornado watch?

Tornado Watch: Be Prepared! Tornadoes are possible within and around the watch area. … A tornado has been reported by spotters or indicated by radar. Warnings indicate imminent danger to life and property.

What does F2 tornado mean?

(F2) Significant tornado (113-157 mph)

Considerable damage. Roofs torn off frame houses; mobile homes demolished; boxcars pushed over; large trees snapped or uprooted; light-object missiles. generated.

Can there be F6 tornadoes?

There is no such thing as an F6 tornado, even though Ted Fujita plotted out F6-level winds. The Fujita scale, as used for rating tornados, only goes up to F5. Even if a tornado had F6-level winds, near ground level, which is *very* unlikely, if not impossible, it would only be rated F5.