How much weight can a hurricane lift?
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The weight of the roof is typically about 7 to 10 pounds per square foot (psf); but, the uplift pressures averaged over the roof in a strong hurricane can be four to five times that amount. On some smaller areas, the uplift loads can be 10 to 15 times higher than the weight (70 to 130 psf).
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It depends not only on the weight, but the rate (speed) at which you want to lift that weight. Horsepower (hp) is the rate at which work is done (in watts, joules/sec, newton-meters/sec, foot-pounds/sec, etc.). One horsepower is equal to 746 W = 7...
We know they're big. But let's get technical: If we could freeze frame a hurricane in the sky just for an instant, how many pounds of water is it carrying up there? Here's an approximate answer:
The answer is Depending on how much do you weight? Fat people who normally weight 250lbs - 450lbs requires more wind speed for them to be lifted off the ground… And when that happens, the biggest catastrophe will occur when the wind goes off.
Cows, houses and cars that are caught up in real tornadoes get sucked in and lifted up too, but they never get to the top to be thrown outward. The explanation for the lifting is that the upper layers of liquid swirl faster than the lower layers. As a result there is a low pressure zone above the middle of the swirl.
So to summarize, at 80% vacuum, for every square inch of surface area, a vacuum cup can hold a weight of 11.76 lbs or 5.3 kg. This calculation is based on 14.7 psi of atmospheric pressure (pounds per square inch) being available at the facility where the vacuum cup is being used.
It was because of this reduced weight that the airplane was able to effectively take off. So don't worry, it is unlikely to happen on your next flight.
Per Code Section 220.127.116.11, the minimum wind load to be used in the design of the Main Wind-Force Resisting System shall not be less than 10 psf. Width 'a' is equal to 10% of least horizontal dimension or 0.4*h, whichever is smaller, but not less than either 4% of least horizontal dimension or 3'.
$\begingroup$ Well, tornados have been shown to be capable of lifting combines, which weigh (empty) upwards of 20,000-30,000 lbs (or ~9,100-13,600 kg), so the mass should not be an issue... $\endgroup$ – honeste_vivere Nov 6 '15 at 12:37
Max Empty Weight: 23,628 lb (10,740 kg) Max Takeoff Weight: 33,300 kg or 73,500 lb. Crew Capacity: 2 pilots, 1 or more crew chiefs, 38 troops (55 in alternate configuration), or 24 stretchers. The CH-53 Stallion is nicknamed the Hurricane Maker, from the downwash it generates and can lift aircraft as heavy as itself.