NEW : Centered 470 miles from New York , Sandy 's hurricane force winds extend 470 miles . Millions of people could face flooding and power outages due to the storm . Sandy took a toll well before its U.S. arrival , causing at least 67 deaths -- including 51 in Haiti -- as it rumbled through the Caribbean . New York 's Coast Guard joins New York and Washington in suspending subway runs . `` It could be bad , or it could be devastation , '' a Metro official says .
NEW : Centered 470 miles from New York , Sandy 's hurricane force winds extend 470 miles . Millions of people could face flooding and power outages due to the storm . New York 's Coast Guard joins New York and Washington in suspending subway runs . `` It could be bad , or it could be devastation , '' a Metro official says .