This has been a year when the U.S. has been hit by one major natural disaster after another, and now two more are on the way. Tropical Storm Isaias is expected to become a Category 2 hurricane before it makes landfall along the Gulf Coast some time on Friday. Meanwhile, the National Oceanic and Atmospheric …This has been a year when the U.S. has been hit by one major natural disaster after another, and now two more are on the way. Tropical Storm Isaias is expected to become a Category 2 hurricane before it makes landfall along the Gulf Coast some time on Friday. Meanwhile, the National Oceanic and Atmospheric …