Heavy Fog Disrupt Travel in Sydney and Brisbane

Lots of air flights were diverted as a result of heavy fog that has been hovering over parts of Brisbane and Sydney. The heavy fog has caused the visibility to drop to as low as 180m. Many domestic flights would be delayed because of the knock-on effect. People are advised to contact their airlines to know what exactly happen to the schedule of their flight. The same situation also applies to the ferries industries as it is dangerous for the ferries to operate under the low visibility. As a result the airlines and ferries industry might have a loss because of the heavy fog. This is one of example of external factor that disrupt the profitability of an industry.