Ivan to be seeded?
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One of the biggest problems is, however, that it would take a LOT of the stuff to even hope to have an impact. 2 cm of rain falling over 1 square kilometer of surface deposits 20,000 metric tons of water. At the 2000-to-one ratio that the "Dyn-O-Gel" folks advertise, each square km would require 10 tons of goop. If we take the eye to be 20 km in diameter surrounded by a 20km thick eyewall, that's 3,769.91 square kilometers, requiring 37,699.1 tons of "Dyn-O-Gel". A C-5A heavy-lift transport airplane can carry a 100 ton payload. So that treating the eyewall would require 377 sorties. A typical average reflectivity in the eyewall is about 40 dB(Z), which works out to 1.3 cm/hr rain rate. Thus to keep the eyewall doped up, you'd need to deliver this much "Dyn-O-Gel" every hour-and-a-half or so. If you crank the reflectivity up to 43 dB(Z) you need to do it every hour. (If the eyewall is only 10 km thick, you can get by with 157 sorties every hour-and-a-half at the lower reflectivity.
To do any thing to this hurricane at all...It would take over 300 aircraft once every half hour pouring this crap into the storm! In that is a C-5 left transtport. As for the 747 it would take more. In that is just to slow the hurricane down! This guy is a joke! In should be tooken out! In he would have to do this after 30 minutes!
To do any thing to this hurricane at all...It would take over 300 aircraft once every half hour pouring this crap into the storm! In that is a C-5 left transtport. As for the 747 it would take more. In that is just to slow the hurricane down! This guy is a joke! In should be tooken out! In he would have to do this after 30 minutes!
Last edited by Matthew5 on Mon Sep 13, 2004 1:46 am, edited 1 time in total.
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- opera ghost
- Category 4
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So you ahve this top. And you spin it... right?
Spinning nice and happily?
Touch it with your finger. That sudden lurching pause in the forward speed sends the top careening out of control... right?
Now tell me again- you want to target a specific spot with this stuff to off balance the circulation and weaken it....
Sounds like bad physics to me. Bad bad physics.
Spinning nice and happily?
Touch it with your finger. That sudden lurching pause in the forward speed sends the top careening out of control... right?
Now tell me again- you want to target a specific spot with this stuff to off balance the circulation and weaken it....
Sounds like bad physics to me. Bad bad physics.
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Matthew5 wrote:A nuke would work better! Even Oil over the ocean thousands of tons of it would work a thousand times better. I looked at this topic for a time. So I know that this is bull #$#$
Well, a nuke would work about as well, which is not at all. Plus, you'd then have a radioactive hurricane which, despite being a cool name for a band, is not a cool thing for the coast.
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- dougjp
- Tropical Depression
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Oops! He let it all out of the plane too fast! 100 tons goes splashing into the ocean from a great height. Tidal wave causes unimagineable damage.
So for his next big idea he will arrange a flotilla of ice making ships to steam a few days ahead of the expected track
Now that one may work.....

So for his next big idea he will arrange a flotilla of ice making ships to steam a few days ahead of the expected track

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- Innotech
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my father came up with a totally unpractical idea of pumping arctic water in mass quantities over the hurricane alley between the caribbean and Cape Verdes. He knows better of course, that this would be impossible, but it was all in fun. While that would probably do it, due to lowering SSTs, it would be horrendously costly, and engineering and shipping nightmare, and potentially globally catastrophic. In other words while it could work theoretically, it would be impossible to implement and os it remains a fun imaginative idea that will never get off the ground.
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- Tropical Wave
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A hurricane which drops 12 inches of rain drops 871,000 tons of water over every square mile. That means that a storm 100 mile across drops 7 billion tons of water on the ground for every 12 inches of rain. Hurricane Frances dropped 12 inches of rain over central Florida in 24 hours. To absorb that same amount of water would require nearly 2 million tons of this material.
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