This hurricane is no joke. Top developments:
- Forecast shifts Irene track farther west, putting large cities closer to center of forecast “cone.”
- Bahamas sees some damage; downed trees, power outages in capital.
- Tens of thousands evacuate four North Carolina counties, Outer Banks.
- NYC to decide tomorrow on whether to order evacuations.
Image: A sign in Frisco on Hatteras Island in the North Carolina Outerbanks (Nicholas Kamm / AFP – Getty Imagess)