In their interim 9 AM EDT public advisory bulletin the National Hurricane Centre said that:

CENTER OF IRENE MOVES OVER NEW YORK CITY

REPORTS FROM AN AIR FORCE HURRICANE HUNTER AIRCRAFT AND NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE THAT THE CENTER OF IRENE MOVED OVER NEW YORK CITY AROUND 900 AM EDT, 1300 UTC. IRENE HAS WEAKENED TO A TROPICAL STORM AND THE ESTIMATED INTENSITY AT LANDFALL WAS 65 MPH

By 11 AM the NHC were reporting that:

More on Irene Weakens to Tropical Storm Force, but Millions of Lights are Still Out