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M1.3 solar flare from departing sunspot region 2664

Now that is what we call a surprise! Departing sunspot region 2664 which is now behind the west limb just produced an M-class solar flare! Yes, you heard that right. It was an impulsive M1.3 solar flare that peaked at 16:15 UTC. This was the first M-class solar flare since an M5.8 solar flare that took place on 3 April. That is today exactly three months ago!

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The solar wind speed is currently moderately high (637.2 km/sec.)

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Monday, 21 April 2025
20:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:33 UTC

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18:57 UTC - Solar flare

Moderate M1.99 flare

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18:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.93)


14:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 13:52 UTC

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12:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 11:42 UTC

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