EF3

Initial surveys by the National Weather Service estimated the storm as an "EF3" with winds at least 135-165 mph.

unknown title 2009

Initial surveys by the National Weather Service estimated the storm as an "EF3" with winds at least 135-165 mph.

unknown title 2009

The twister was measured to be on the lower end of an EF3, which carries wind speeds of 136 to 165 mph.

Iowa residents sift through tornado aftermath 2011

The worst damage was consistent with an EF3 tornado, which has winds of 136 to 165 mph.

Small Iowa town 'lucky' after big tornado 2011

The EF scale (Enhanced Fujita) was used for the first time in 1971 when parts of central Florida were struck by multiple tornadoes, the strongest of which were rated at EF3 on the new scale.

Michael DeJong: Greensburg, Kansas: From Green-town to Clean-town 2010

The initial damage survey gave the tornado an EF4 rating on the enhanced Fujita scale, with EF2 and EF3 damage common along its path.

Saturday's tornadoes: Success amid devastation 2010

The EF scale (Enhanced Fujita) was used for the first time in 1971 when parts of central Florida were struck by multiple tornadoes, the strongest of which were rated at EF3 on the new scale.

Michael DeJong: Greensburg, Kansas: From Green-town to Clean-town 2010

Large tornado, an EF3 rolling through McGee, Mississippi, yesterday, damaging over 60 homes and injuring upwards of 28 people.

CNN Transcript Mar 27, 2009 2009

He said preliminary survey is that this was an EF3, at least 136 mile-an-hour winds.

CNN Transcript Feb 7, 2008 2008

They're newer and so we know that this is probably what we would consider at least a severe tornado, an EF3 or possibly greater.

CNN Transcript May 25, 2008 2008