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EF4 most likely refers to the second highest category on the Enhanced Fujita scale, which is a system of rating how strong tornadoes are. Scientists use the damage a tornado causes to estimate its wind speed and then use the highest estimates to rate the tornado on the scale, which goes from EF0 to EF5.
An EF4 tornado has estimated winds of 166 to 200 mph (267 to 322 km/h).
Typical EF4 damage includes well constructed houses leveled and left as piles of debris, with poorly built houses removed from their foundations. Some trees may be stripped of their bark and be left with only stubs of their largest branches while others are uprooted and thrown.
What else can I help you with?
What is an EF4 tornado?
The Enhanced Fujita Scale is a system of rating tornadoes based on damage. It goes from EF0 to EF5. EF4 is the second strongest category on the scale, with estimated winds of 166 to 200 mph. An EF4 tornado causes devastating damage. Trees are stripped of their bark and well-built houses are leveled. Houses that are not well-built may be swept away.
What does EF4 or EF5 mean?
EF4 and EF5 are ratings on the Enhanced Fujita scale, which uses damage done by a tornado to assign an intensity rating. The scale runs from EF0 to EF5. EF4 and EF5 are the two highest ratings indicating a violent tornado. An EF4 tornado has peak estimated winds of 166-200 mph. Such tornadoes level well-built houses and can strip the bark from trees. EF5, the highest rating, is assigned only to the most powerful of tornadoes with estimated winds over 200 mph, with some having winds in excess of 300 mph. Tornadoes of this strength wipe well-built houses clean off their foundations, completely blowing them away.
When did the tornado hit henryville?
The Town of Henryville, Indiana was hit by an EF4 tornado on March 2, 2012.
What percent of all tornadoes earn a violent ranking on the fujita scale?
Less than 1% of tornadoes earn a violent rating (F4 or F5) on the Fujita Scale. The same applies the the Enhanced Fujita scale with EF4 and EF5 tornadoes.
How many people died in the tornado on May 10 2010?
There were 3 tornado deaths in the U.S. on May 10, 2010 from 2 separate tornadoes. The first was an EF4 that went through the suburbs on the southern and eastern sides of Oklahoma City, killing 2 people. The second tornado was also an EF4. It formed south of Norman and killed 1 person.
What does an EF4 and EF5 tornado look like?
There is no given appearance for a tornado of any given rating, though EF4 and EF5 tornadoes tend to be very large, typically taking on the appearance of large wedges or columns, but not always. If there is enough visibility an EF4 or EF5 tornado will often show very violent rotation.
Which are the most destructive tornadoes?
EF4 and EF5 are destructive with EF4 winds up to 166-200 and EF5 over 200mph destructive tornadoes like these can level houses and even completely blow them away.
Is there the potential for violent tornadoes tomorrow for April 14th 2012 EF4?
Yes. The outlook for April 14, 2012 mentioned some risk for violent tornadoes, referring to tornadoes of EF4 and EF5 intensity.
Where did a tornado happen in the us this year?
There were hundreds of tornadoes in the US in 2011. Some of the most notable ones include an EF4 that hit Vilonia and Mayflower, Arkansas on April 27, killing 16. The next day another EF4 hit Louisville, Mississippi, killing 10. On June 16, yet another EF4 tornado destroyed half the town of Pilger, Nebraska.
What is an EF4 tornado?
The Enhanced Fujita Scale is a system of rating tornadoes based on damage. It goes from EF0 to EF5. EF4 is the second strongest category on the scale, with estimated winds of 166 to 200 mph. An EF4 tornado causes devastating damage. Trees are stripped of their bark and well-built houses are leveled. Houses that are not well-built may be swept away.
What would an E4 tornado equal in a hurricane?
There is no such thing as an E4 tornado. You most likely mean an EF4 tornado. The estimated winds for an EF4 tornado are 166-200 mph. That is equivalent to a category 5 hurricane (winds 156 mph or greater).
What is a tornado with an estimated wind speed of 175mph is?
A tornado with estimated winds of 175 mph is an EF4.
What does EF4 or EF5 mean?
EF4 and EF5 are ratings on the Enhanced Fujita scale, which uses damage done by a tornado to assign an intensity rating. The scale runs from EF0 to EF5. EF4 and EF5 are the two highest ratings indicating a violent tornado. An EF4 tornado has peak estimated winds of 166-200 mph. Such tornadoes level well-built houses and can strip the bark from trees. EF5, the highest rating, is assigned only to the most powerful of tornadoes with estimated winds over 200 mph, with some having winds in excess of 300 mph. Tornadoes of this strength wipe well-built houses clean off their foundations, completely blowing them away.
How fast does an EF4 tornado go?
There is no such thing as an E4 tornado. An EF4 tornado has peak estimated winds of 166-200 mph. In some cases, however a tornado rated EF4 may have been capable of producing EF5 damage (winds over 200 mph) but did not impact any structures that culd yield an EF5 rating.
What type of tornadoes are responsible for the most deaths?
mostly an EF5 tornado and sometimes EF3 or EF4 tornadoes
What classification was the tornado that hit Tuscaloosa?
The Tuscaloosa, Alabama tornado of April 27, 2011 was rated EF4.
How big was the tornado that hit Alabama in April 2011?
There were many tornadoes in Alabama in April 2011. The one you are referring to was probably the Tuscaloosa tornado of April 27. The tornado was at a mile and a half wide and appears to have been a borderline EF4/EF5, though the official rating is EF4.
