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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 01:40 UTC

Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future

Gillam, MB, Iqaluit, NU
Nuuk
Reykjavik
Kiruna

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu
Trondheim
Luleå, Umeå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Bergen
Sundsvall

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Thunder Bay, ON, Winnipeg, MB
Tampere

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CMEs from March 16-17 and small CH 225AR4028 17Aurora- with positive BZ and negative BY 39Filaments and prominences 738Changelog/Featurelog 167
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Latest alerts

01:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:36 UTC

alert

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

alert

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

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