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Significant Tornado Events

Meanwhile in Brazil, Rio Bontio do Iguaçu was hit by a strong tornado today. 3 people are reported dead and apparently nearly the entire town has taken major damage.
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From what I've seen it looks like at least EF3 damage, possibly EF4 (unfortunately a lot of the pics aren't very clear, but there seem to be totally debarked trees).
 
SilentShadow87 said:
Meanwhile in Brazil, Rio Bontio do Iguaçu was hit by a strong tornado today. 3 people are reported dead and apparently nearly the entire town has taken major damage.
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From what I've seen it looks like at least EF3 damage, possibly EF4 (unfortunately a lot of the pics aren't very clear, but there seem to be totally debarked trees).
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I'm currently working to geolocate and map damage from this event, so far I have ~37 points mapped.
 
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jarrell tornado seem to have lasted longer then what most people think.
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path width
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path length
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NWS list this whole part as 4 different tornadoes but i can only see 1 or 2.
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note that for this part it was base on video evidence (drillbit stage)
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it was on the ground a bit before however its a bit too hard to locate where this started.
 
joshoctober16 said:
View attachment 48555
jarrell tornado seem to have lasted longer then what most people think.
View attachment 48556
path width
View attachment 48557
path length
View attachment 48558

NWS list this whole part as 4 different tornadoes but i can only see 1 or 2.
View attachment 48559

note that for this part it was base on video evidence (drillbit stage)
View attachment 48560
it was on the ground a bit before however its a bit too hard to locate where this started.
Click to expand...
I know we talked about this yesterday but I'm still not sure whether the home in the last picture is indeed what is shown in the video. I'll look more into it this weekend.
 
N0mz said:
Just the jet in general. 100kts translating at 58.5 right over the warm sector is insane to think about.
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One of the comments I’ll never forget on the American Wx forum before the event was a Meteorologist saying:

“This model run has a 100kt isotach completely overlapping the warm sector at peak heating. This has massive potential”

That may not be verbatim what he said but you get the gist.

I’m sure a lot of the historic outbreaks, especially “pre tornadic records” in the past had a screaming 500 mb jet punching into a warm sector. Probably even more than 58.5. Too bad tornado record/outbreak setup data as a whole is still relatively new when you think about the entire historic record.
 
ColdFront said:
One of the comments I’ll never forget on the American Wx forum before the event was a Meteorologist saying:

“This model run has a 100kt isotach completely overlapping the warm sector at peak heating. This has massive potential”

That may not be verbatim what he said but you get the gist.

I’m sure a lot of the historic outbreaks, especially “pre tornadic records” in the past had a screaming 500 mb jet punching into a warm sector. Probably even more than 58.5. Too bad tornado record/outbreak setup data as a whole is still relatively new when you think about the entire historic record.
Click to expand...
Plus the thermal boundaries left over. 4/27 was simply as perfect as a tornadic setup we have ever seen. I still think that something above 4/27/11 with like 3,000 CAPE or higher with more extreme kinematics is possible but extraordinarily rare to combine.

The worst thing is that another Super Outbreak is inevitable. It could happen in 40 years, heck, it could happen next year. Nobody knows. But just because 4/3/74 and 4/27/11 happened around 30-40 years apart doesn't mean that is the standard. It can happen anytime being realistic.

We will see. I don't want to see it happen but it's inevitable and only a matter of time. Warning time has improved with many new products so I would think that the event would be adequately forecasted, lots of piblif public stations with serious advisories. The problem is if power gets knocked out. That was a key factor on 4/27 for many deaths and unfortunately, the other reasons just simply being the raw intensity of the tornadoes that day..
 
WeathermanLeprechaun said:
Plus the thermal boundaries left over. 4/27 was simply as perfect as a tornadic setup we have ever seen. I still think that something above 4/27/11 with like 3,000 CAPE or higher with more extreme kinematics is possible but extraordinarily rare to combine.

The worst thing is that another Super Outbreak is inevitable. It could happen in 40 years, heck, it could happen next year. Nobody knows. But just because 4/3/74 and 4/27/11 happened around 30-40 years apart doesn't mean that is the standard. It can happen anytime being realistic.

We will see. I don't want to see it happen but it's inevitable and only a matter of time. Warning time has improved with many new products so I would think that the event would be adequately forecasted, lots of piblif public stations with serious advisories. The problem is if power gets knocked out. That was a key factor on 4/27 for many deaths and unfortunately, the other reasons just simply being the raw intensity of the tornadoes that day..
Click to expand...
4/27/11 wasn't as widespread like 4/3/74 was, I'm not sure which would be worse in this day and age.
 
Today marks the 20 year anniversary of a tornado outbreak that helped fuel my life long passion for severe weather. 12 tornadoes struck central Iowa and 3 of them were significant.

It was an exceptionally rare outbreak.

The Nov. 12, 2005, tornadoes were Iowa's first November tornadoes in 14 years and the largest November outbreak up to that point in history.

Prior to that day, only 23 November tornadoes had been recorded in the state since 1950.

Of the dozen twisters in this outbreak, three also achieved F2 or greater intensity. Two of those significant tornadoes were on the ground simultaneously, and both struck towns.

Iowa's next November tornadoes would come almost exactly 10 years later on Veterans Day 2015.


Saturday November 12th 2005 started with the Stratford, Iowa F3

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At the same time an F2 tornado struck Woodward, Iowa, and this legendary video was recorded. The outbreak was later featured on the Weather Channel show "Storm Stories".



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www.kcci.com

20 years ago: Iowa's deadly Nov. 12, 2005, tornado outbreak

Wednesday marks 20 years since Iowa’s rare November 2005 tornado outbreak, when 12 twisters struck the state, killing one person and damaging dozens of homes.
www.kcci.com www.kcci.com
 
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