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buckeye05

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Another significant tornado from the Southern Hemisphere is the 5/24/2005 San Paulo tornado. This F3 tornado tossed railcars, destroyed industrial buildings, and damaged commercial buildings.




I remember watching videos of this one as a kid, and thinking how odd it was for there to be a strong wedge tornado in South America. I’ve since learned there’s not really anything odd about it at all!
 

buckeye05

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While on the topic of strong non-US tornadoes, here’s the 2016 Ladispoli/Cesano, Italy F3. Like several other significant Italian tornadoes, this one began as a large tornadic waterspout before moving inland. The tornado ripped the roofs and exterior walls off of multiple well-built structures. This included a high-rise apartment building that had large portion of a concrete form exterior wall blown off, leaving multiple apartment units visible from the outside. You can actually see this happen in the second video. Two fatalities occurred as a result of this tornado, one being a pedestrian near the aforementioned apartment building, and the other due to a tree landing on a car.




 
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MNTornadoGuy

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One of the most intense tornadoes in Brazilian history is the 6/13/1997 Nova Laranjeiras tornado. Multiple homes were completely leveled and 80% of Nova Laranjeiras was damaged or destroyed, and vehicles were tossed. Reportedly there was a video on Youtube that showed destroyed concrete buildings and significant wind-rowing of debris. I wish more information was available about this tornado.

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MNTornadoGuy

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Another likely violent Brazilian tornado is the 8/13/1959 Palmas tornado. This tornado devastated farms with numerous homes reported to have literally vanished. Groves of trees were shredded with some being debarked, a 5-ton tractor was thrown 76 yards, and 35 people were killed. There were two other potentially significant tornadoes on the same day in Southern Brazil. I do wonder if there has been more F5s in Brazil/Argentina than just the 1973 San Justo tornado.
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buckeye05

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The most recent intense tornado in Brazil was the 6/12/2018 Rio Grande do Sul tornado.
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Most recent South American F4 officially. Unfortunately, I don’t think there are any videos of it. The video above is from the 2015 Xanxere, Brazil F3, which was another significant Brazilian tornado that I was thinking of making a post about soon.
 

MNTornadoGuy

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Most recent South American F4 officially. Unfortunately, I don’t think there are any videos of it. The video above is from the 2015 Xanxere, Brazil F3, which was another significant Brazilian tornado that I was thinking of making a post about soon.
Brazilian tornadoes seem to be very similar to Dixie tornadoes in appearance.
 
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While on the topic of violent tornadoes, what Joplin and Hackleburg did to concrete is very impressive. Which instance of damage of damage do you guys think is more intense?

Concrete basement wall in Joplin
View attachment 9709

Concrete stemwalls in Hackleburg
View attachment 9710
Really, anytime an entire concrete basement ball is blown outward that takes much more strength then stemwalls being sheared (more likely pulled) off; I've only seen it happen with Joplin, Parkersburg, Brandenburg, and a couple of Dixie events and (maybe) Jarrell. Joplin is more impressive in this case. Yes, Hackleburg was stronger overall but in these two cases Joplin's is more impressive.
 

Marshal79344

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I've recently been looking at the tornado history of Russia, and they have seen many tornado events, much more than were ever reported. What's most striking about Russia's tornadoes is the significant variation in the meteorological setup responsible for them. For example, there have been instances of major tornadoes moving northwest and due east. However, most of these events were only discovered using LANDSAT data and went unreported until a study led by Alexander Chernokulsky, a Russian Researcher uncovered them. From what I've read, most of the events seem to have occurred in the summer months. Here are a few events:

June 26, 2008:

A lone LM supercell produced two tornadoes, including a large wedge tornado that didn't last very long. The event was completely isolated.

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July 24, 1993:

A very dynamic storm system (low estimated in the 980s) brought two long-tracked tornadoes to areas southeast of St. Petersburg. One of the tornadoes lasted a very long time.

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August 7, 2012

An isolated RM supercell spawned two tornadoes, one of which was a very long-tracked F3


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June 17, 2013:

An isolated cyclic RM supercell moving due east produced three tornadoes, the first of which was an EF3.

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