Several eruptions notable for Earth have been recorded on the Sun in the past few hours. Explosions of this kind occur regularly, but recently they have become more frequent, as Christian Möstl, head of the space weather office of GeoSphere Austria in Graz, confirmed in an interview with OÖNachrichten. “The Sun is at the maximum of its current cycle. And this one appears to be stronger than the last one.” During such eruptions, electromagnetic particles are thrown into space. When they hit the earth, the interaction with our magnetic field causes, among other things, an increase in the number of northern lights.
The stronger the radiation, the more likely it is that the northern lights can be seen in regions of the earth where people are not used to them – this time the phenomenon could color the sky all the way into the Alpine region.
The chances of observing the Northern Lights are not bad in this country either, as the weather should be suitable. Afternoon cumulus clouds on Friday will coincide, around 7 p.m. the sky over Upper Austria should be mostly cloud-free and the night should be starry over long stretches, according to Liliane Hofer from GeoSphere. In the Sunday night High clouds will build up again, but they should not affect the view of the night sky.
On the topic: This is what the weather will be like in the coming days
Strongest electromagnetic storm in 20 years
Current forecasts from the American weather service NOAA assume that electromagnetic activity will reach level G3 (on a scale from G1 to G5, note.), as the Austrian Severe Weather Center (UWZ) announced. The level will most likely be increased to G4. “This is possibly the strongest electromagnetic storm in 20 years,” says Möstl. Even if effects such as communication disruptions cannot be completely ruled out: “Technical impairments in our part of the world, such as disruptions in the power grid, are not to be feared.”
According to Möstl, it is difficult to predict exactly when the radiation will hit the earth on Saturday night. But it’s definitely worth taking a look at the sky at the weekend: “The best chance of seeing the Northern Lights comes from those who are elevated and have a good view to the north, as far away from light pollution as possible.”
Also read: Weather: “Outliers will be the new normal” (OÖNplus)
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