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Real-time auroral and solar activity

Sunspot region AR13990

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/02/10 3 220 CAO S09E68
2025/02/11 3 260 DKO S09E54
2025/02/12 7 260 DKO S09E40
2025/02/13 7 310 CKI S09E26
2025/02/14 8 310 DKI S09E12
2025/02/15 18 310 CKI S10W01
2025/02/16 42 280 CKI S09W14
2025/02/17 17 250 CKO S08W28
2025/02/18 12 250 CKO S09W37
2025/02/19 6 250 CKO S09W51
2025/02/20 6 250 CKO S09W64
2025/02/21 3 120 CSO S09W78
2025/02/22 2 120 CSO S09W92
2025/02/23 2 120 CSO S09W0*
CM
162

The top 10 solar flares from sunspot region 13990

Start Maximum End
1M1.82025/02/1420:4520:5721:05
2M1.22025/02/1409:4810:0610:19
3C9.02025/02/1322:1622:4323:10
4C5.82025/02/2111:1211:1911:25
5C5.62025/02/1800:4601:0801:26
6C3.62025/02/2118:5018:5919:05
7C3.42025/02/1910:0410:1610:32
8C3.32025/02/2207:0007:0507:09
9C3.22025/02/1122:1722:4623:30
10C3.22025/02/2201:4201:4801:53
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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Iqaluit, NU
Nuuk
Reykjavik
The Disturbance Storm Time index predicts moderate storm conditions right now (-51nT)

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Wednesday, 2 April 2025
04:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 04:56 UTC

01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC

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Tuesday, 1 April 2025
22:51 UTC - Solar flare

Moderate M2.5 flare

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22:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.45)

07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days129.8 -18.9

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
31992-105G2
42004-104G2
51994-103G3
*since 1994

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