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Northern lights predicted in US and UK on Monday night in wake of solar storms (www.theguardian.com)

submitted 7 months ago by throws_lemy@lemmy.nz to c/astronomy@mander.xyz

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[–] Shdwdrgn@mander.xyz 0 points 7 months ago (1 children)

But the solar flare was yesterday, if there was going to be any good viewing of auroras it would have been last night, or more likely a couple nights ago (from US time zones). The peak of it occurred shortly after lunch yesterday and it's calmed down back to normal today.

[–] mihnt@lemy.lol 5 points 7 months ago (1 children)

I mean, these are highly funded government agencies reporting this from both sides of the planet. You know something they don't?

[–] Shdwdrgn@mander.xyz 0 points 7 months ago

The agencies were correct about the information, however unlike OP apparently I know how to adjust for time zone differences. Monday morning in Australia is still Sunday in the US, so yes that would have been the correct time for the warning. But this article was posted here a day after the event occurred, all of the warnings expired, and the Kp index had dropped back down to more moderate levels. At the peak of the event the Kp index reached around 8.0. When I posted my comment yesterday it was sitting at 1.66, well below the threshold for seeing auroras anywhere in the continental US. If you had any chance of seeing auroras here it would have had to be Sunday night, not Monday night.