supplies, water and other essentials. it s just stressful. i ve been through this a couple of times in the last 15 years, and this is the worst so far. everybody who needs water has to get in this line. reporter: as businesses rush to restock emptied shelves. to illustrate how difficult the evacuation dynamic-s the palm beach county mayor told us they are reluctant to get hundreds of thousands or even millions of people out on the road all at once heading north because they know there s a good chance to move north once it makes landfall. they re concerned if too many people go out on the road all at once and head north they could get caught in the storm as they try to move. brian todd, cnn, palm springs, florida. that s the thing, natalie. i talked to a friend the other night who s debating do we stay, do we leave. they re watching so closely with what happens with this storm track. how do they make that decision right now? because it s so uncertain. but as we ve been saying