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Severe (G4) Geomagnetic Storm in Progress



One, or perhaps a combination of at least two coronal mass ejections just reached both the ACE and DSCOVR spacecrafts. The solar wind is fairly high nearing 700 km/s. A passage past our planet should take place within the next 45 minutes. Stay tuned.


Strong CME Impact:

A geomagnetic sudden impulse measuring 108 nT was detected around 17:00 UTC by ground based magnetometers. A geomagnetic storm is already in progress and reached the Severe (G4) threshold. The solar wind speed is above 700 km/s and the Bz component of the interplanetary magnetic field is shifting wildly. More to follow.


ALERT:

Geomagnetic K-index of 8, 9-

Threshold Reached: 2024 May 10 1739 UTC

Synoptic Period: 1500-1800 UTCActive Warning: Yes

NOAA Scale: G4 - Severe



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