Why did the sky turn blood red in Western Australia ahead of Cyclone Narelle?

One striking image from Western Australia has caught the world’s attention as AcuWeather (@accuweather) posted a video, now viral, on X, which showed the sky turning an intense, almost apocalyptic red.

The video, which has gone around the world on social media, showed images of daylight apparently giving way to a deep crimson-colored glow.The transformation was so extreme that there were several comments from people who witnessed it online, stating that it was an “otherworldly” scene, with some making comparisons to dystopian or end-of-the-world scenarios. The sky in the video seems to be entirely red, and the air seems thick with the color.The situation itself is frightening but not necessarily dangerous. There are apparently significant amounts of dust in the air, which could be used to gauge the weather patterns in the region.The unusual coloring of the sky may be attributed to a scientifically recognized phenomenon known as light scattering. For those interested in the science behind it: Sunlight consists of multiple wavelengths, each corresponding to different colours.

Normally, shorter wavelengths, such as blue, scatter more efficiently. This is what makes the sky appear blue. However, if there is an increase in larger particles in the atmosphere, which could be dust, then they scatter shorter wavelengths, which allow other wavelengths, such as red or orange, to be visible.

The more dense the dust in the atmosphere, the redder it is.

In this particular case, the phenomenon has been linked with the influence of a strong weather system, which also included the influence of Cyclone Narelle.

The strong winds associated with the system have been credited with lifting huge amounts of iron-rich dust into the air. It is worth noting that the soils in Western Australia have been known to have high iron content. This further enhanced the vivid red color of the sky with the presence of iron-rich dust particles in the air.

As the sun’s rays passed through the thick dust, other colors were filtered out, leaving only the red colors visible in the sky.Keep in mind that dust storms are not uncommon in Australia, especially in the arid and semi-arid regions of Australia. Such storms have been known to influence changes in the color of the sky, which could be orange or red in color. However, the severity of the recent dust storm is what has made it stand out from other instances in the country’s history. It should be noted that the vivid coloring of the sky and the total transformation of the visual appearance of the sky is rare in the country, despite its prevalence in dust storms.