Perfect weather conditions bring another visible aurora australis to South Australian skies
South Australians have been out snapping new pictures of the stunning light show as forecasts reveal how long it could last.
SA News
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An Aurora Australis, or southern lights have graced Adelaide and South Australian skies again, with forecasts predicting wecould be in for more spectacular sky shows into the weekend.
The Bureau of Meteorology’s Australian Space Weather Forecasting Centre has predicted a huge geomagnetic storm event, level G3.
The strength of the G3 means the conditions are expected to last until Sunday.
If the forecast weather conditions occur, aurora sightings are likely to happen in southern parts of South Australia, with Saturday night tipped for the peak event.
“To see an aurora, a dark sky away from city lights with little cloud cover are the best viewing conditions,” a bureau spokeswoman said.
Saturday and Sunday will be mostly cloudy across the southern parts of the state, but clear in the northern and western parts.
Bright auroras usually last between one to three hours, and the best time to catch the celestial display is about 90 minutes after sunset or 90 minutes before sunrise.
G-scale, which ranges from G1 (minor) to G5 (extreme), measures the global geomagnetic activity which refers to the changes in Earth’s magnetic field across the globe.
On Friday, sky gazers witnessed the sky show from Glenelg Beach, Parawa, Port Noarlunga and Goolwa Beach and the Adelaide Hills.
Aurora are best viewed under a dark sky with little cloud cover and away from city lights.
Bright auroras usually last between one to three hours, and the best time to catch the celestial display is about 90 minutes after sunset or 90 minutes before sunrise.