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Let's compare! Halloween 2003 VS May 2024 Solar Storms!
Today we have a really special news item for you! We have a guest post made by Christian Harris from Space Weather Trackers. Christian is a friend of the website an has made very well received guest posts before. He has some serious big brain knowledge about everything space weather related. I am sure many of you have heard of him before. He is here to shed some light on the Extreme G5 geomagnetic storm of last weekend and the famous Halloween 2003 solar storms. Please read his article below and gain some fascinating insights on two of the strongest solar storms in modern times. It is well worth the read! If you are interested in Christian's work be sure to follow him on Facebook and follow his Space Weather Trackers Facebook page. Christian, the stage is yours:
Coronal mass ejection impact, New website feature!
A coronal mass ejection impact was detected at DSCOVR around 12:40 UTC today. The north-south direction of the interplanetary magnetic field (Bz) flipped southward to about -12nT to -12nT. A minor G1 geomagnetic storm watch is in effect for the remainder of the day.
Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Tórshavn
Oulu, Rovaniemi, Sodankylä
Reykjavik
Tromsø
Kiruna, Luleå
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
TrondheimSundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioBergen
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Thunder Bay, ONTampere, Turku
Petrozavodsk
Latest news
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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00:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 101GW at 01:06 UTC
Friday, 21 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:30 UTC
23:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 77GW at 00:01 UTC
19:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 53GW at 20:34 UTC
19:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:55 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 140.3 -10.9 |