Sunspot region AR11987

Number of
sunspots
Size Class Magn. Class Spot Location
2014/02/22 1 30 HAX S03E71
2014/02/23 8 150 DAO S02E61
2014/02/24 13 240 DAO S02E48
2014/02/25 15 230 DAI S02E36
2014/02/26 9 170 DAI S01E23
2014/02/27 14 190 DAI S01E09
2014/02/28 16 180 DSI S03W04
2014/03/01 29 150 ESI S02W17
2014/03/02 16 160 ESI S02W29
2014/03/03 9 110 ESI S02W44
2014/03/04 10 130 CSO S02W56
2014/03/05 1 40 HSX S01W76
2014/03/06 1 60 HSX S02W87
2014/03/07 1 60 HSX S02W0*
C
3

The top 3 solar flares from sunspot region 11987

Start Maximum End
1C4.422014/03/0115:4016:0016:09
2C3.652014/03/0215:4716:4517:00
3C3.112014/02/2803:5704:0204:04

G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 05:57 UTC

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Yellowknife, NT
The solar wind speed is currently high (764.6 km/sec.)
The strength of the interplanetary magnetic field is moderate (10.79nT), the direction is North (2.84nT).

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06:27 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC


06:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC

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00:57 UTC - Solar flare

Moderate M2.05 flare

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00:33 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.71)


Wednesday, 26 March 2025
23:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:37 UTC

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Last X-flare2025/02/23X2.0
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Last geomagnetic storm2025/03/26Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025132.3 -22.3
Last 30 days131.2 -21.8

This day in history*

Solar flares
12001M3.28
21998M3.23
32025M2.0
42000M1.5
52000M1.38
DstG
11959-234G4
21976-125G2
31988-121G2
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*since 1994

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