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hurricane may take the building down for us in the wrong direction on top of the pile where we have victims. we'll allow our rescue workers to pour over the site without danger of falling debris or falling buildings. >> el ka weakened from a hurricane to a tropical storm on saturday, but that could change by the time it reaches the u.s. cnn meteorologist derek van dam is tracking elsa for us. derek, a hurricane or a tropical storm on paper there's a big distinction. on the ground there, how much of a difference would that make? >> yes, you're kind of threading the needle between a low-end category 1 hurricane and tropical storm, splitting hairs per se but with a tropical system if you're in the vicinity, depending where the center of the circulation is located you could have spin-up tornadoes, water spouts, gusty