(WTXL/JTWC) -- Cyclone Pam, now the equivalent of a category five hurricane, is impacting the island of Vanuatu with winds sustained over 160 miles per hour. The storm is large and impacts are expected to be major. Pam is one of four active cyclones in the area including Nathan (south Pacific), Olwyn (south Indian), and Bavi (West Pacific). Pam is forecast to continue to push to the southeast and gradually weaken into a category one system as it nears the north island of New Zealand.
Nathan is at tropical storm strength with winds at 65 miles per hour currently north of Queensland moving east into the Coral Sea. The storm is forecast to strengthen to category two strength by Sunday morning.
Olwyn is a category one storm with winds at 75 mph. It is impacting West Australia and it is forecast to move into Perth as it weakens into a tropical storm.
Bavi is the only system of the four to be in the northern hemisphere, with winds sustained near 60 miles per hour. It is forecast to become a category one typhoon by Tuesday evening as it approaches the Philippines.