Cyclone Marcus and Cyclone Nora joined by two other systems as storms converge on Australia

Cyclone Marcus and Cyclone Nora joined by two other systems as storms converge on Australia

Updated March 23, 2018 10:49:00 Photo: There is a spate of activity around Australia’s tropics. (Supplied: Weatherzone) A very active cyclone season is stepping up around the Australian tropics, with the Bureau of Meteorology monitoring four significant systems spiralling around the country’s north. BOM’s radar includes severe Tropical Cyclone Marcus, …