Multiple weather systems are forecast to develop over tropical waters around the northern Australian coastline over the next few days. Here's a breakdown of each weather system: • Ex-Tropical Cyclone Koji is crossing western Queensland today and will move into the Northern Territory later this week, bringing rain and storms. This system may move back into the Gulf of Carpentaria during the weekend, with a low chance (15%) of re-intensifying back to cyclone strength. • Tropical low 14U is near Ne