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Let's BOOFM! (Build our own fallout map) CONELRAD Nuclear, Biological and Chemical (NBC) Survival 159 10-17-2019 07:28 PM

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Old 07-22-2018, 11:58 PM
NUKA COLA NUKA COLA is offline
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so we are ****ed if we aren't cowering in our ''safe zone'' underground when the bombs drop and in the fallout the hazmat suits protect us about as much as a rain coat rubber boots and umbrella
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Old 09-08-2018, 05:39 AM
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so we are ****ed if we aren't cowering in our ''safe zone'' underground when the bombs drop and in the fallout the hazmat suits protect us about as much as a rain coat rubber boots and umbrella
Kinda. The vast majority of the country even in a full exchange won't have life threatening levels of fallout in the first place. Fallout just isn't nearly as widespread as the anti-nuke activists would like you to believe. Few nuclear bombs will produce any fallout because they'll be detonated in the air to destroy a wider area and not on the ground where it will trigger fallout. You'll need an underground military/government facility to justify a surface burst that would cause fallout. Even when fallout is caused, it only covers a small area and then it decays rapidly. A typical Russian warhead will create a fallout area about the size of Long Island if you do a surface burst. Terrible if you're in New York City, but the area is very small relative to the country. Outside of the combatant countries would be pretty much untouched. Hardly a world-ending event.
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Old 09-13-2018, 05:05 PM
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I'll echo what has been said; just get a tyvek suit and a good mask. (forget that N95 stuff, go straight for a P100 filter) The suit will block alpha, and prevent other particles from adhering to your skin, but that's about it. Key is to be inside/underground and not breath in anything.
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Old 09-15-2018, 09:57 AM
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CONELRAD CONELRAD is offline
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so we are ****ed if we aren't cowering in our ''safe zone'' underground when the bombs drop and in the fallout the hazmat suits protect us about as much as a rain coat rubber boots and umbrella


Well you should try to be in shelter within 15 to 20 minutes of the arrival of fallout. Which could be anywhere from a few minutes after detonation in the closest areas, to several hours depending on various factors. Try to hunker down for at least the first 48 hours. After that the radiation will have decreased in intensity by 99%. That doesnít mean itís safe to travel though because 1% of a really big number is still a big number. After two-weeks its 1/1000th of what it was initially which in most places will be considered relatively ďsafeĒ to travel through or operate in. If youíre sitting downwind from NORADs doorstep, or managed to survive the blast effects in an underground parking garage near ground zero, it will be considerably longer. If youíre running out of water or other supplies, donít wait so long that youíre too weak to move expeditiously.

I guess the safest rule of thumb, if you donít have any special knowledge, or way to measure radiation, is to shelter initially as long as you can. Then if or when youíre out of supplies or forced out of shelter by other circumstances, GTFO of the area or to new shelter as fast as you can. Iíve explained in other threads that quick 90 second to 5 minute runs to other buildings, is survivable and acceptable exposure if necessary... even in some of the most intense fallout scenarios. On the other hand, getting caught out in the early hours of fallout arrival for hours on end, will kill you. Suit, or no suit. Car or no car.
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Old 09-15-2018, 12:43 PM
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Remember that 1 mSv = 1,000 uSv on that chart. mSv is on the far left hand side. I'm going to use mSv.

Surface blast in the US would typically be from a hit to a hardened structure with a Russian SS-25 using an 800Kt warhead.

Given a wind speed of 5mph: The area for catastrophic fallout of 10,000 mSv per hour will be a maximum of 57 square miles. Or an area equivalent to 7.5 miles by 7.5 miles. That's a VERY small area. If sufficiently well sheltered you'll even survive that, but generally you need to find shelter before the fallout arrives (which does take some time to begin reaching the ground).

The serious fallout of 1,000 to 10,000 mSv/hr will cover 880 square miles, or an area equivalent to 30 miles by 30 miles. Within this area, going outside for any significant amount of time will make you sick. Depending on where in this zone you're looking at temporary radiation sickness like a cancer patient receiving a treatment, or up to damage that will lead to your death weeks later.

The fallout of 100 to 1,000 mSv/hr will cover up to 1,933 square miles, or an area equivalent to 44 miles by 44 miles. If you're outside for an hour it's going to go from raising your cancer risk to giving you some anemia that isn't life threatening. You still need shelter.

After this we start getting into the area where you just don't want to be outside for long periods of time.

But remember all these levels fall off RAPIDLY.
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