Blocking highs are strong high-pressure systems that form further south of Australia than normal and remain almost motionless for a long amount of time. Blocking highs mostly affect southern Australia, they can take place during any time of the year and can last from several days - several weeks. Blocking highs can impact Australia in numerous ways depending on where they occur and how strong they are, they are able to produce hot and cold spells as well as wet conditions and dry conditions based on the location and systems surrounding them. Block highs can also bring problems like fog and rise of frost.
Tropical cyclones
Tropical cyclones can be defined as low-pressure systems that develop above warm tropic waters and creates