11 p.m. Irene update: Pressure down; now heading north

Highlights of the 11 p.m. advisory from the National Hurricane Center.

* The central pressure has dropped again, this time down to 942 mb.

* Winds remain same at 115 mph. Some strengthening possible Friday.

* Forward speed direction is now north, still at 14 mph.

* Irene's impact has a tremendous reach. Tropical storm-force winds extend 290 miles out from the center of circulation. Hurricane-force winds extend 80 miles from the center.

All hurricane center details here.