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locomusic01

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That's fine and all, but when are we gonna acknowledge that Ruskin Heights was clearly the most intense tornado the Earth has ever seen? :rolleyes:

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locomusic01

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Yes! Thank you

Almost as intense as Charles City! lol
I also forgot there was an engineer that estimated the wind speeds in the 1896 St. Louis - East St. Louis tornado at 400-500 mph on the basis of a 2x4 being driven through a plate girder of the Eads bridge. So I guess there's more competition than I thought.

(That one was pretty impressive, though.)
 

TH2002

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I also forgot there was an engineer that estimated the wind speeds in the 1896 St. Louis - East St. Louis tornado at 400-500 mph on the basis of a 2x4 being driven through a plate girder of the Eads bridge. So I guess there's more competition than I thought.
Oh there's plenty of competition. According to the 1965 book McGraw-Hill Meteorology Third Edition, winds of "300-500 mph" are required to cause the most intense instances of damage:
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eric11

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Picher seems to have widened and strengthened into maximum intensity as it was entering the small town, various pics and low quality videos shows the tornado changed from a dusty cone into a big wedge and then immediately narrowed as soon as it left the town.The tornado then maintained its cone shape through the rest of his life, which is a very rare tornadogensis case
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Maximum width
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outside town
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Some car and house damage outside town
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Picher was likely an EF5 at one point to be honest. Vegetation damage was very high-end.
I think it hit EF5 intensity (or at least its maxima) when it crossed over into Missouri, 15 of its 21 fatalities were in the Racine area and automobiles were reportedly thrown up to half a mile in places.
Also, Picher, OK reminds me of Manchester, SD in the sense of it being another instance of a natural disaster-induced ghost town, as the tornado threw all the waste from the towns lead and zinc mines that was dangerously close to the neighborhoods all over them, effectively forcing the residents to abandon it not long after.

Source for claims about tornado: https://www.weather.gov/sgf/events_2008may10
 

Nightking2021

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Here are the most impressive vegetation damage pictures that I could find from the Picher Tornado

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Other damage pictures I found incredible:

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Wow!!! That aerial view screams higher end tornado event. I would rate it high-end EF4 based on the contextual evidence. It certainly reached EF5 intensity.
 
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I think it hit EF5 intensity (or at least its maxima) when it crossed over into Missouri, 15 of its 21 fatalities were in the Racine area and automobiles were reportedly thrown up to half a mile in places.
Also, Picher, OK reminds me of Manchester, SD in the sense of it being another instance of a natural disaster-induced ghost town, as the tornado threw all the waste from the towns lead and zinc mines that was dangerously close to the neighborhoods all over them, effectively forcing the residents to abandon it not long after.

Source for claims about tornado: https://www.weather.gov/sgf/events_2008may10

Picher was already being abandoned due to contamination from the mine tailings, the tornado just (greatly) accelerated the process.

Some of those pictures posted above by @Marshal79344 show pretty impressive tree damage (snapping/debarking), similar to the degree we've just been discussing in the context of the recent Greensboro/Brent tornado and the 2020 Bassfield, MS tornado.
 
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Another cool video of Red Rock, Howard Bluestein and Gary Shore can be seen in it, and some damage aerials near the end (briefly):




While I'm at it, according to this comment right here Grazulis mentions that this tornado scoured asphalt from county roads and another source mentioned grass scouring. If anyone can find these sources, in the words of Bill Lumbergh, "that'd be great":
 
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Picher was already being abandoned due to contamination from the mine tailings, the tornado just (greatly) accelerated the process.

Some of those pictures posted above by @Marshal79344 show pretty impressive tree damage (snapping/debarking), similar to the degree we've just been discussing in the context of the recent Greensboro/Brent tornado and the 2020 Bassfield, MS tornado.
Aside from being 2+ miles wide, what exactly about Bassfield made it really impressive? I haven't reviewed much damage pics from it.
 

Nightking2021

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Here are the most impressive vegetation damage pictures that I could find from the Picher Tornado

View attachment 8138
View attachment 8139View attachment 8140

View attachment 8141
View attachment 8142
View attachment 8143
View attachment 8146

Other damage pictures I found incredible:

View attachment 8144
View attachment 8145
The aerial view damage from Picher reminds me a lot of the aerial view of tornado damage from the Tuscaloosa tornado on 4/27. I think the Picher tornado had a width of approximately a mile-wide so almost of similar size too.
 
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