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Real-time auroral and solar activity

Sunspot region AR13790

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/08/15 5 40 CSO S14E75
2024/08/16 6 70 DSI S12E61
2024/08/17 12 120 DSI S12E47
2024/08/18 13 280 DKC S12E32
2024/08/19 20 400 DKC S12E19
2024/08/20 25 400 DKC S13E04
2024/08/21 18 500 DKC S11W08
2024/08/22 20 470 DKC S12W21
2024/08/23 17 370 DKC S11W35
2024/08/24 13 430 DKC S10W49
2024/08/25 10 370 DKC S11W62
2024/08/26 12 350 DKC S13W75
2024/08/27 12 280 DKI S13W87
2024/08/28 12 280 DKI S13W0*
CM
142

The top 10 solar flares from sunspot region 13790

Start Maximum End
1M1.42024/08/1721:5722:0622:14
2M1.12024/08/1721:3721:4821:57
3C9.82024/08/1920:0320:1620:26
4C8.92024/08/1622:0822:1822:49
5C8.32024/08/1803:4003:5004:01
6C8.02024/08/1615:3715:4115:49
7C7.72024/08/2422:4922:5623:02
8C7.42024/08/2012:2012:2812:36
9C6.82024/08/2408:5009:0309:16
10C6.62024/08/1609:5610:0310:09
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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

Tórshavn
Oulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
The solar wind speed is currently moderately high (582.6 km/sec.)

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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

alert

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*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
21977-105G3
31988-100G2
41984-86
52010-81G1
*since 1994

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