Polar lows — intense maritime storms that are sometimes dangerous — form near Canada without anyone noticing.
In 1887 Queensland’s chief weatherman Clement Wragge began naming tropical cyclones, using names from the Greek alphabet, fabulous beasts and politicians who annoyed him.
Madagascar gets hit by an average of four cyclones each year but their full impact is still being tracked.
After Cyclone Tracy, you'd expect Darwin of all cities to be ready for the next one. But as the clean-up after Cyclone Marcus continues, it's clear more must be done to increase the city's resilience.
News sharing on Twitter focuses on a broad range of topics, even as Cyclone Debbie dominated other news sources, as shown by the Australian Twitter News Index for March 2017.