Yellowstone December 1941

If you remember the ending of Supervolcano, it wasnt the ash that caused most long term effects, it was the gas that leaked into the atmosphere and we got a new ice age.

I don't recall that specific detail, but such a massive release of volcanic gasses would definetly do unpleasent things to the atmosphere....
 
Why do you think the French would not return to Algeria?

Technically at this point Vichy France is still in charge in French N Africa. Not sure how badly it would be affected compared to Europe but a move south into it might well occur. [Although probably contesting it with a lot of fleeing Germans and Italians, even if in the longer run it fairs little better than Europe].

A lot will depend on how bad the effects are and how early them apply as well. [Various powers, especially outside the Anglo-American bloc, may not realise that quickly how bad the effects are].

Steve
 
Slumbering for hundreds of thousand years, the Yellowstone Caldera decides to erupt in late December of 1941, just days after Pearl Harbour.

How will the eruption interfere with WWII? How will it influence the world at large, how will it influence the US in special?

Depends on how big and sustained it is.

A 200 Megaton explosion would wipe the plain states out and strike food from lendlease. Which means millions of Soviets die from starvation and malnutrition.

Multiple 200 Megaton burst would destroy the U.S., Northern Mexico, and Southern Canada drop world temperature .2 degrees causing harsher winter conditions.

A single 200 Gigaton Eruption would wipe out North America, plunge South America into an Ice Age, turn Australia into a Lush Jungle, render the Arctic Circle uninhabitable, shut down the fighting in Europe completely and shift focus to Africa and the Middle East.
 
Depends on how big and sustained it is.

A 200 Megaton explosion would wipe the plain states out and strike food from lendlease. Which means millions of Soviets die from starvation and malnutrition.

That would probably end the war in the west. With the US and Canada in chaos Britain would almost certainly be forced to make peace due to disruption of food imports. [Especially if the boom happened just after Hitler declares war and launches the campaign against shipping off the US coast. Given the general disruption the US would be unable to introduce convoys for quite a while even if King is killed in the chaos and his successor is willing to].

Multiple 200 Megaton burst would destroy the U.S., Northern Mexico, and Southern Canada drop world temperature .2 degrees causing harsher winter conditions.

War, what war?

A single 200 Gigaton Eruption would wipe out North America, plunge South America into an Ice Age, turn Australia into a Lush Jungle, render the Arctic Circle uninhabitable, shut down the fighting in Europe completely and shift focus to Africa and the Middle East.

With the sheer amount of junk that would put in the atmosphere there would probably be more fighting in Europe in the short run. However its scattered groups desperately struggling for remaining food and shelter.

Steve
 
That would probably end the war in the west. With the US and Canada in chaos Britain would almost certainly be forced to make peace due to disruption of food imports. [Especially if the boom happened just after Hitler declares war and launches the campaign against shipping off the US coast. Given the general disruption the US would be unable to introduce convoys for quite a while even if King is killed in the chaos and his successor is willing to].

America will still bounce back, we have the breadbasket intact and once things settle down the Plains will be even more fertile.

War, what war?

Nazi and Soviets will still have a death struggle, but Lenningrad will fall.

With the sheer amount of junk that would put in the atmosphere there would probably be more fighting in Europe in the short run. However its scattered groups desperately struggling for remaining food and shelter.

You need a one terraton eruption to do that.
 
well, my mom lived fairly close to Yellowstone back then, and she would have been killed and I would never have been born, and that would have sucked...
 
America will still bounce back, we have the breadbasket intact and once things settle down the Plains will be even more fertile

...

You said yourself the Great Plains are wiped out. Aren't those states America's 'breadbasket'? Or do I have that wrong?
 
You said yourself the Great Plains are wiped out. Aren't those states America's 'breadbasket'? Or do I have that wrong?

New York, Pennsylvania, and Ohio are our main breadbasket states. The Plains are corn mostly along with Ranching. If at need the South can be paid to grow food instead of Cotton and Tobacco.
 
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