Two powerful tropical cyclones are set to hit the northeastern coast of Australia. Cyclone Marcia made landfall Friday morning in Australia, with sustained winds of 127 miles-per-hour.
Coastal residents have been warned to prepare for dangerous high tides and flash floods. Meanwhile a separate cyclone Lam is churning toward the sparsely populated "Northern Territory".
Cyclone Lam has been downgraded to a category 4 storm.
