Monday, 6 November 2023 17:22 UTC
Wow! Now that was what you call an almighty storm! Two distinct coronal mass ejection arrivals yesterday sparked a geomagnetic storm that peaked at the strong G3 (Kp7) level. This sparked spectacular and vivid aurora displays which were seen from all over Europe, southern parts of Australia and New Zealand. We admit that we were actually surprised by how far south in Europe people were spotting the aurora. We have seen images from pretty much every European country and even as far south as Turkey! Yes! Turkey! Incredible stuff! This amazing aurora display is yet another example of why you need to remain vigilant during coronal mass ejection arrivals! You never know when that chance comes that you will be able to spot the aurora from your own back yard or balcony!
Down below we will share some images that we have seen from this storm but first let's quickly recap what happened. At 08:10 UTC yesterday we observed the first solar wind shock signaling the arrival of a coronal mass ejection likely launched on 2 November. The total strength (Bt) of the interplanetary magnetic field (IMF) reached an impressive 34nT with a maximum southward Bz component of -27nT but the solar wind speed never got much higher than 400km/s.
A second even strong shock in the solar wind was observed at 11:46 UTC and really threw everything into overdrive. The total strength of the IMF reached a rarely seen high of 45nT and gradually decreased during the remainder of the day. The Bz component started northward surprising geomagnetic activity but rotated southward to about -15 to -20nT for 4 hours during the UTC afternoon. with a solar wind speed of about 500km/s during the period. This fueled our magnetosphere with energy and vivid aurora displays erupted at many middle latitude locations all around the globe.
Header image: SpaceWeatherLive.com's webmaster Sander Vancanneyt (Belgium)
4K time-lapse looking west of the sub-auroral red arc overhead in Illinois. Never seen it so stable and stationary for hours on end before! pic.twitter.com/JUnlXQcLvH— Landon Moeller (@landon_wx) November 6, 2023
Hundreds of reports of Northern Lights coming in from multiple locations across Europe. A G2 geomagnetic storm is ongoing currently. This footage is from Stanča, southeastern Slovakia.— Nahel Belgherze (@WxNB_) November 5, 2023
Hands down the Aurora is one of the coolest things I’ve ever seen, and in Victoria, Australia no less! pic.twitter.com/S1FijZy3rw— Dr. Sara Webb (@SaraWebbScience) November 6, 2023
Stunning! The red and green auroras were dancing together in harmony in #Mohe, north China's #Heilongjiang Province on the evening of Nov 5. This is the first time that green #aurora dancing has been recorded on video in #China. pic.twitter.com/vva8LcULgF— Shanghai Daily (@shanghaidaily) November 6, 2023
Last night's flight into Fairbanks, Alaska was EPIC! The way the auroras danced had me glued to my window the whole time.— Vincent Ledvina (@Vincent_Ledvina) November 6, 2023
The auroras were welcoming me home :)@AlaskaAir AS97 SEA-FAI over Wrangell, Alaska@TamithaSkov @StoryfulViral @capitalweather #northernlights pic.twitter.com/SH1LZTWw91
First one of these I’ve ever captured in the UK called a “STEVE” Nature at its very best last night putting on its own fireworks https://t.co/qjUIiJ7xew @TamithaSkov more pictures @PA @ChronicleLive @StormHour #northernlights #aurora pic.twitter.com/kLlXqpdfU4— Owen Humphreys (@owenhumphreys1) November 6, 2023
Mother Natures Firework Display— Gareth Mon Jones (@gazmon1980) November 6, 2023
A whopper of a display on Anglesey tonight
my girlfriend was happy to see one of the best displays of the northern lights in a long time #WexMondays #sharemondays2023 #fsprintmonday#StormHour #Auroraborealis #anglesey pic.twitter.com/ysvRai9puV
Tonight had the strongest Northern Lights I've ever seen!— Max Wernerson (@welloffthetrack) November 6, 2023
I'm chasing them now for nearly 6 years on almost every winter night, but I have never seen the oxygen red as strong to the naked eye before pic.twitter.com/jPpP6DjVTB
A coronal hole was facing Earth yesterday. Expect a high speed solar wind stream to arrive at Earth late tomorrow or on 8 November.
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|Last geomagnetic storm||2023/11/25||Kp6 (G2)|
|Last spotless day||2022/06/08|
|Monthly mean Sunspot Number|
|October 2023||99.4 -34.2|