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Level G5 Extreme Geomagnetic Storm

Collingwood, Ontario May 10 2024
The sun has been very active recently. It's at the peak if its 11-year sunspot cycle, and the geomagnetic storm that occurred (rated G5 class) was the strongest since 2003.
On May 8th 2024, a solar active region which had been assigned the NOAA region number 3664 produced an X1.0-class and multiple M-class solar flares and launched several coronal mass ejections (CMEs) toward Earth. On May 9th, the active region produced an X2.25- and X1.12-class flare each associated with a full-halo CME. On May 10th, the region produced an X3.98-class flare, and on May 11th it produced another X-class flare of magnitude 5.4–5.7
 
Of course, I had to get out and try to capture the aurora borealis that would inevitably be triggered by this massive storm. I was driving north out of Toronto to get away from the city lights and found myself in very frustrating rain as I tried to get to the shore of Georgian Bay on Lake Huron. I could see the crescent moon in the distance, so I knew that clear skies were ahead of me. Arriving in Collingwood, I was finally in the clear and could see that the northern lights display had already begun.

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Sunset Point Beach, Collingwood, Ontario

Quite a few people were at the beach to watch the northern lights.

Curtains of green, purple & pink lit up the sky.

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Looking north out over Lake Huron.

I carried with me the flag of the Royal Canadian Geographical Society, and managed to get a shot holding it under the aurora borealis.

It's rare to see the aurora forecast extend this far south.

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Florida

Several Coronal Mass Ejections CME's) were shot out by sunspot cluster 3664, and aimed towards Earth.

The K index maxed out at 11 briefly, and was sustained at 9 for what seemed like forever.

The aurora were seen seen all over the world, and were even spotted as far south as the Florida Keys!

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