Northern Lights Seattle 2025. The forecast lead time is the time it takes for the solar wind to travel from the l1 observation point to earth. Auroras are best seen between the onset of darkness and 2 am, when the night sky is darkest.


Northern Lights Seattle 2025

10:31 am pdt august 12, 2025. 2, 2025 after a geomagnetic storm sent a coronal mass ejection (cme) toward earth.

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