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Bulletin on solar and geomagnetic activity Solar activity report Geophysical report Sunspot regions Coronal holes Kp values Solar flares Radiation storms Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)

Major changes to the Kp alert system

As most of you are aware, we have an extensive system running behind the scenes that automatically issues all kinds of space weather related alerts on our Twitter channel, browser push alerts and email alerts. One of the alerts that we issue are those related to the Kp-index.

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 20:34 UTC

The solar wind speed is currently moderately high (639.8 km/sec.)

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Tuesday, 15 April 2025

CME arrival, G3 storm watch

Friday, 28 March 2025

X1.1 solar flare

Monday, 24 March 2025

Coronal hole faces Earth

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Ask your obscure/"stupid" space weather questions. 366 Unexplained proton activity 59 Filaments and prominences 80 AR4062 52 AR 4055 107

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