Strongest solar storm in 20 years
Strongest solar storm in 20 years
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Strongest solar storm in 20 years FYI The Aurora's might be visible tonight 🤞 An S4 severe solar radiation storm is now in progress - this is the largest solar radiation storm in over 20 years. The last time S4 levels were observed was in October, 2003. Potential effects are mainly limited to space launch, aviation, and satellite operations.
This CME likely still has some juice left for nice auroras over the Lower 48 tonight. We'll have to see, but as of now, solar wind data are strengthening and G4 conditions may continue. G5 possibilities can't be ruled out if the current Bt/Bz combo sustains. There's still a lot of time for this storm to evolve, so let's just be patient and hopeful!
Gammyof2, Wiseowl and Wingsofwonder + 7 more reacted 
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That would be nice to see but our light pollution is problematic.
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StormChaser : That would be nice to see but our light pollution is problematic.
Aurora Chance In All 50 States Tonight
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Kittle : It's unfortunately not going to make it this far south. At least it's not supposed to.
Honestly the further I am from being licked by the sun's electromagnetic radiation lick the better. Interference is going to be rough as it is.
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Honestly the further I am from being licked by the sun's electromagnetic radiation lick the better
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Hmm maybe we'll get lucky after all! Yesterday's mega solar flare sent a cloud of plasma out into space at about 3.7 million mph toward Earth. That shock wave just hit us, and we are already experiencing a severe geomagnetic storm that may reach G5 levels later tonight. Regardless, this gives every state in the US a chance to see the aurora tonight, depending on sub-storms and the magnetic orientation of these incoming charged particles. The aurora is possible anytime tonight after 7pm local time. Chances go up somewhat as we get closer to midnight, but if you are interested in seeing the northern lights, I would keep your eye on the sky instead of waiting. Most of the US will be clear, but a lot of the US will be very cold. If you head out tonight, please be smart and take lots of warm gear or stay in your car. Along with the severe/extreme geomagnetic storm, we are currently seeing one of the worst radiation storms on record in the satellite era over the polar regions. Don't freak out, our atmosphere generally protects us from this at the ground. However, those at high elevations (in an aircraft), including those in planes flying over the poles, are at risk. As a result, airlines may cancel or reroute some flights or fly at a low enough altitude to avoid this threat. The polar regions will also experience major navigation issues, and radio frequencies in the HF range will experience major issues or complete outages.
Sophos2, Wingsofwonder and SteveT reacted Aurora Chance In All 50 States Tonight
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7 p.m. ET aurora update - while a severe geomagnetic storm IS ongoing, the magnetic shockwave's field orientation "matches" that of Earth's... so there's no big flash/auroral display (yet). Earlier, there was a misalignment and the ensuing clash brought auroras all the way down to the United Kingdom. For the next little while, it looks like the magnetic field will remain strung BUT the orientation will subdue the display. We'll keep updating.
KanKan and Sophos2 reacted « Back to Chat
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