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Sunspot region AR13671

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/05/09 1 40 HAX N20E33
2024/05/10 1 30 HSX N20E17
2024/05/11 7 30 CRO N24E04
2024/05/12 8 30 DRO N24W10
2024/05/13 6 20 DRO N25W23
2024/05/14 6 20 CRO N24W38
2024/05/15 7 30 CRO N24W49
2024/05/16 5 10 BXO N23W66
2024/05/17 2 10 BXO N21W78
2024/05/18 2 10 BXO N21W92
C
1

The top 1 solar flares from sunspot region 13671

Start Maximum End
1C4.72024/05/1712:3712:4712:52
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The solar wind speed is currently moderately high (621.8 km/sec.)

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AR 4054 8AR4048 120Upper atmosphere phenomena Red sprites and Blue jets 2Incoming & Unnumbered Active Regions 1667Unspecified geomagnetic activity 2228
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Latest alerts

02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

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Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity

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

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20:24 UTC - Solar flare

Moderate M1.05 flare

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20:09 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)

10:00 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/05Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025150.4 +16.2
Last 30 days131.6 -13.4

This day in history*

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*since 1994

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