sitting just off the coast of honduras. it s just been elevated to a tropical depression. now, it s moving slowly towards the west at about 10 miles per hour. the map, though, will show multiple possibilities for where this storm can track: north, south, east and west. the scenarios, though, could take it over mexico and never make it into the gulf, it would break up over land. it could stay far to the south and not be a significant threat to the northern gulf but just cause high waves and winds. that would still be a threat to mexico and texas. but the worst-case scenario is that a strong storm develops, it works its way into the slick area and then, harry, all bets are off. smith: b.p. says it needs five days to evacuate so says thad allen, the admiral from the coast guard. you can predict weather pretty well a day out. how well can you predict five days out? they need that much time? reporter: you re fight. forecasters are very good at predicting weather in 24-hour inc
katie couric. couric: smith: good evenine is off tonight. it s hard to think of a worst-case scenario. a storm with gail force winds blowing into the gulf of mexico. it could happen by next week which would throw the entire cleanup effort into chaos. this as b.p. said it is on target to finish one of two relief wells by mid-august. the relief wells offer the best hope of stopping the oil. today what s billed as the world s largest skimming ship set sail from virginia headed for the gulf. the taiwanese vessel can reportedly suck up a half million barrels of oil everyday. but it s still waiting for federal approval to join the fight. all those efforts the containment, the cleanup and the drilling of the relief wells could be put on hold because of the storm. b.p. says it needs five days to move its equipment out of harm s way. the early show weather anchor dave price has been studying the projections and he has the latest. good evening, dave. reporter: good evening, ha