FRIDAY, OCTOBER 29, 2021 6:15 PM – The last days of October will be marked by two extraordinary events: a giant solar flare, followed by brilliant northern lights.
Extraordinary solar flare
On October 28, a massive eruption caused a tsunami on the part of the sun that faces the Earth. According to the Spaceweather website, the plasma wave traveled more than 100,000 km at a speed of 700 km/s. Its geomagnetic activity has reached degree G3, equivalent to the planetary index Kp 7. Such a level of activity is sufficient to qualify this turbulent solar storm.
According to NASA, harmful radiation from an erupting volcano cannot pass through Earth’s atmosphere to physically affect humans on Earth. However, when it is dense enough, it can disturb the atmosphere in the layer in which the communication satellites are moving.
Northern lights for Halloween
Another, more pleasant consequence of a solar event of this intensity is the formation of the auroras, once ejected matter crosses interplanetary space at an estimated speed of 1,260 km/sec. As of Saturday, October 30, all areas north of the Kp 7 line will be able to observe these wonderful natural phenomena with the naked eye.
And just like last April 17 in Keoma, Alberta, western Canada will have a front row seat thanks to clear skies that allow for perfect visibility.
Unfortunately, that won’t be the case for much of Quebec, where the sky will be laden with clouds. Only residents of the eastern regions of the county would enjoy this privilege. So, if you live in Sept-Îles, Gaspé or Îles-de-la-Madeleine, don’t forget to look up at the sky between 6pm and 10pm.
See also: you don’t often see the aurora borealis in pink!
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