EF-1

EF-1 takes the shingles off, EF-2 takes the plywood off the roof of your house, EF-3 takes all the structure but the walls will still standing.

CNN Transcript May 22, 2008 2008

They're usually the F-0 to F-1 or EF-O to EF-1 in terms of strength.

CNN Transcript Aug 19, 2008 2008

But there's no doubt in my mind, walking through the damage and now what we're seeing here broadcast internationally, that this was at least an F-1, EF-1 or EF-2 tornado, likely with winds upwards of a 100 or more miles an hour.

CNN Transcript Mar 14, 2008 2008

It was an EF-0 and it did some damage or EF-1 did some damage to the elementary school in that particular area.

CNN Transcript Apr 21, 2008 2008

Check out this video out of the D.C. area, Prince George's county, some destruction there from an EF-1 tornado, damage to a school and a church and certainly a scary afternoon for those folks dealing with that rough weather right in through yesterday evening.

CNN Transcript Apr 21, 2008 2008

That means when it came through this area, EF-1, winds, 80, 90, maybe 100 miles an hour and strengthened as it headed east towards Cabbagetown, up to EF-2, winds up to 135 miles an hour.

CNN Transcript Mar 17, 2008 2008

My guess from looking at the damage, you know, the storms that range anywhere from an EF-1 to probably an EF-3 in some cases, so certainly a significant event all the way around.

CNN Transcript Feb 6, 2008 2008

It was an EF-1 with damage to that elementary school that you just saw there.

CNN Transcript Apr 21, 2008 2008

And an EF-1 and EF-1, they're considered, EF-2 and EF-3 are considered to be strong.

CNN Transcript May 7, 2007 2007

They said it was a weak one, an EF-1 with estimated winds of 90 to 100 miles per hour. 40 to 60 homes were damaged there.

CNN Transcript Feb 24, 2007 2007