praise the walls. A wall is a structure that defines an area, carries a load, or provides shelter or security. There are many kinds of walls such as defensive w what is it Eren
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praise the walls. A wall is a structure that defines an area, carries a load, or provides shelter or security. There are many kinds of walls such as defensive w

A wall is a structure that defines an area, carries a load, or provides shelter or security. There are many kinds of walls such as defensive walls in fortification, walls of buildings which are a fundamental part of the superstructure or which separate the spaces in buildings sections sometimes for the purpose of fire safety, walls which hold back earth called retaining walls, offer protection from oceans such as a seawall or river as a levee. Permanent, solid fences are walls, and border barriers between countries are sometimes walls.

Tags: what | is | it | Eren
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Views: 25325 Submitted: 07/06/2014
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[ 84 comments ]
> hey anon, wanna give your opinion?
asd
#19 - azraelthemage
Reply +75 123456789123345869
(07/07/2014) [-]
And on that day, humanity received a grim reminder.
User avatar #75 to #19 - mephiblis
Reply 0 123456789123345869
(07/07/2014) [-]
z000000000000000000000000000000000000000000000000000000000000000ssss
#1 - youlikeme
Reply -24 123456789123345869
(07/06/2014) [-]
please... tornadoes are made from air. air can simply fly over the wall.
User avatar #16 to #1 - Maroon
Reply 0 123456789123345869
(07/07/2014) [-]
You understand that air flows in currents right? If you block access in one place, it changes the entire current. Sure, the air could go over, but that's the whole point: to make it go a different path in which it won't cause tornadoes.
User avatar #21 to #16 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
See comment #20, feel free to ask questions
User avatar #23 to #1 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
See comment #20, feel free to ask questions
#47 to #1 - anon id: 0eb698ee
Reply 0 123456789123345869
(07/07/2014) [-]
Are you stupid or something?
User avatar #77 to #1 - demigodofmadness
Reply +1 123456789123345869
(07/07/2014) [-]
Idk if you're serious or not but I thought this comment was hilarious.
#2 to #1 - kanedam
Reply +24 123456789123345869
(07/06/2014) [-]
...
#3 to #2 - youlikeme
Reply -11 123456789123345869
(07/06/2014) [-]
... me all you want but tornado can simply get over a wall if it wants. A tornado is a natural destructive, that has only the goal of destroying. If wall is in the way, tornado will not just stand there??? he will lift up bottom part of tornado and glide over.
#4 to #3 - gisuar
Reply +30 123456789123345869
(07/06/2014) [-]
they still need hot and cold air to reach each other as far as i know it's usually hot air over land and colder air from the ocean brought to land by air both meat = tornado
User avatar #20 to #4 - datguytrent
Reply +8 123456789123345869
(07/07/2014) [-]
National Weather Service Meteorologist here... You're correct. You need an interaction of ht and cold air along with instability and wind shear for a tornado to *possibly* form. I've read that physicist's paper, and what he says makes sense in terms of physics, but not in terms of actual meteorology. The walls would do nothing except cause people money. Now, tornadoes and specifically how and why they form are still a big mystery in the meteorological world, but we know enough to say this guy isn't correct at all.
User avatar #62 to #20 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
Excuse me, I should have said they often need a interaction of hot and cold air. It is not always necessary, however.
User avatar #37 to #20 - dunkleosteus
Reply 0 123456789123345869
(07/07/2014) [-]
it can't be both physically sound and meteorologically incorrect.

I too read the article. He seems to think that if he can disrupt the air flow over the plains, he can prevent the necessary conditions for forming tornadoes.
User avatar #50 to #37 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
Ah, but it can. Looking at it from the standpoint of physics, eliminating the wind at the lower levels should inhibit rotation. That makes complete sense. Here's the meteorological side. Tornadoes form up in the cloud, often known as a wall cloud, anywhere from 500-2500 feet in the air. This level differs depending on atmospheric conditions called the LFC (Level of Free Convection) and the LCL (the Lifted Condensation Level). Now, lets say we have a low LFC/LCL below 1000 feet. Great. Winds cannot access the storm from the lower levels, but upper level winds can mix downwards towards the surface and still provide the necessary forces for rotation. Most people don't realize that tornadoes don't just rotate at the low level. They rotate all the way up toward the top of the cloud. If the upper level rotation is strong enough, the tornado will sustain itself regardless of what the lower level winds are doing. Tornadoes can also form with little to no winds in certain atmospheric conditions. There's measures of vorticity that can be great enough to cause one. It doesn't happen often, but it is possible. Winds are really just the sustainer of tornadoes, so while a giant wall won't do much, it may decrease the duration of a tornado by a very very small margin. The interactions between hot and cold air are what really initially form the tornado (a tornado forms horizontally and then is tilted vertically by the shear). That's the biggest flaw in this whole thing. The rising warm air and the sinking cold air start the real rotation. If this guy could figure out how to prevent that, he'd win a prize. And this wall could actually create or enhance more storms, since winds running into the wall have nowhere to go but sideways and up. If they go up, that provides lift, which is a necessary component of storm formation. If they go to the side, rotation could form (or it could enhance already present rotation). Feel free to ask more, I'm just approaching the character limit.
User avatar #59 to #50 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
Now, tornadoes also do not need the warm and cold air interaction to form either. I won't expand on this unless necessary. Also, consider the mountains. They're much taller than 1000 feet, yet tornadoes can occur around them. Can also expand upon that if necessary.
#81 to #4 - gisuar
Reply 0 123456789123345869
(07/07/2014) [-]
such englisch... i've been tired
#48 to #4 - pewo
Reply 0 123456789123345869
(07/07/2014) [-]
#6 to #3 - anon id: e1d436f7
Reply 0 123456789123345869
(07/06/2014) [-]
Good troll is good.
User avatar #5 to #3 - enkmaster
Reply 0 123456789123345869
(07/06/2014) [-]
Air that tornado needs to form is going.

Air hits well-placed walls.

Air's cyclonic movement is continually interrupted as it hits wall. Other air necessary to form tornado is interrupted.

Tornado doesnt form.
User avatar #22 to #5 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
See comment #20, feel free to ask questions
#30 - gym
Reply +27 123456789123345869
(07/07/2014) [-]
Wont work

It will get destroyed by the collossal tornado
#39 - wahlaneh
Reply +24 123456789123345869
(07/07/2014) [-]
welcome to ba sing se
#7 - poutinesalad
Reply 0 123456789123345869
(07/06/2014) [-]
Except attack on titan seems to be set in Europe to me.
User avatar #8 to #7 - wwkybobo
Reply 0 123456789123345869
(07/06/2014) [-]
With German, and Russian names, in addition to the lack of Asians, I'd be inclined to agree.
User avatar #9 to #8 - poutinesalad
Reply 0 123456789123345869
(07/06/2014) [-]
yeah, plus the buildings seem pretty early european design.
User avatar #10 to #9 - wwkybobo
Reply +3 123456789123345869
(07/06/2014) [-]
And there are so many damned potatoes.
#11 to #10 - poutinesalad
Reply +11 123456789123345869
(07/06/2014) [-]
plus a sheer lack of these
User avatar #12 to #11 - aasherknight
Reply +8 123456789123345869
(07/06/2014) [-]
Those are some good looking donuts.
#13 to #12 - MrMarioman [OP]
Reply +8 123456789123345869
(07/06/2014) [-]
I was a very confused child, thanks 4kids.
#80 to #13 - siswai
Reply 0 123456789123345869
(07/07/2014) [-]
#61 - nimithecat
Reply +6 123456789123345869
(07/07/2014) [-]
So uh... important question;

Will there be hidden tornadoes inside the walls too?
#63 to #61 - trollinggenius
Reply 0 123456789123345869
(07/07/2014) [-]
Will there be hidden spoilers in your comments too?
#65 to #63 - nimithecat
Reply 0 123456789123345869
(07/07/2014) [-]
Nonono absolutely no way i would  do something so terri- annieisfemaletitanarmindressesasagirlandsnapekillsdumbledore   
   
 This is a spoiler
Nonono absolutely no way i would do something so terri- annieisfemaletitanarmindressesasagirlandsnapekillsdumbledore

This is a spoiler
User avatar #68 to #65 - trollinggenius
Reply +1 123456789123345869
(07/07/2014) [-]
ur a cheeky lil cunt ill giv u that bruv.
User avatar #69 to #68 - nimithecat
Reply 0 123456789123345869
(07/07/2014) [-]
All in truth though, the way a character dresses or the identity of an enemy doesn't really spoil the story for anyone since it's the events in the story that actually count.

And the harry potter spoiler thing has been known since the books and movies, so it really come to no surprise to anyone.
User avatar #64 to #61 - qnamanmanga
Reply +2 123456789123345869
(07/07/2014) [-]
You can try blow to jar , and quiclky turn it off. When you keep them like that, it should contains a little tornado , until you release it.
User avatar #67 to #64 - nimithecat
Reply +1 123456789123345869
(07/07/2014) [-]
I had no idea that jars ran on some kind of current to be turned off
Holy christ, i have a ******** of jars in the kitchen, they must be causing my electric bill to go out of control!
User avatar #70 to #67 - qnamanmanga
Reply +1 123456789123345869
(07/07/2014) [-]
I had in mind - "screw the jar's lid". ;)
User avatar #71 to #70 - nimithecat
Reply 0 123456789123345869
(07/07/2014) [-]
I know, i was just joking
User avatar #74 to #71 - qnamanmanga
Reply +1 123456789123345869
(07/07/2014) [-]
In my language, in some circumstances it's fine to use these words as synonyms. Sometimes i forget about that, to avoid this in translation to english.
User avatar #25 - logiblack
Reply +5 123456789123345869
(07/07/2014) [-]
That does sound like a really stupid idea.

By building several 1000 foot high walls he would change the flow of wind effectively. This would have an effect not only in the Midwest of the USA but the whole world and wouldn't only affect the wind and storms but the temperature as well.

Just like dams were proved to change torrents and streams permanently an lea to the dying of quite a bunch of animals because suddenly everything changed.
I'd be careful with something like that.
Killing off forests or building massive buildings affects the winds as is - to build big-ass wind-blockers is only calling for it.
User avatar #26 to #25 - logiblack
Reply 0 123456789123345869
(07/07/2014) [-]
My D is quite broken lel, my D is broken XDD which leads to a lack of Ds in my post, if you see something and can't make out what it is supposed to be add an D here and there.
User avatar #28 to #26 - brokentail
Reply 0 123456789123345869
(07/07/2014) [-]
D0

D0 y0u want the D?

,,,
I sh0uIdn't make fun, my nine, 0ught, eII and peri0d keys are aII br0ked
User avatar #52 to #25 - datguytrent
Reply +1 123456789123345869
(07/07/2014) [-]
NWS Meteorologist here. You're completely right. There'd be drastic temperature changes at the surface, and it would certainly inhibit low level winds. If you're interested in the meteorology side of this, check comments #20 and #50
#33 - moonmeander
Reply +3 123456789123345869
(07/07/2014) [-]
................. Wat? How long are these walls? How thick are they? What are they going to be made of? How in the **** do you plan to make giant 1000 foot walls? That is as tall as the Eiffel Tower. I call ********. It is tumblr so it probably is ******** anway
User avatar #31 - exarzero
Reply +3 123456789123345869
(07/07/2014) [-]
Great. Everything would go temperature haywire would it not?
User avatar #15 - ieatpaste
Reply +2 123456789123345869
(07/07/2014) [-]
i hope this never happens
User avatar #17 to #15 - Maroon
Reply -1 123456789123345869
(07/07/2014) [-]
Yeah, **** the mid-west.
User avatar #18 to #17 - ieatpaste
Reply 0 123456789123345869
(07/07/2014) [-]
more like **** the massive piece of **** destroying the beautiful plains of the midwest
User avatar #29 to #18 - chuckbillrow
Reply 0 123456789123345869
(07/07/2014) [-]
more like anything that can prevent tornadoes in the Midwest would probably have major ramifications in global weather patterns
User avatar #32 to #29 - ieatpaste
Reply 0 123456789123345869
(07/07/2014) [-]
on all scales
User avatar #58 to #15 - datguytrent
Reply 0 123456789123345869
(07/07/2014) [-]
It won't. It'd never work. Comments #20 and 50 explain.