Sunspot region AR8420

Number of
sunspots
Size Class Magn. Class Spot Location
1998/12/24 1 10 AXX N18E64
1998/12/25 2 10 AXX N18E52
1998/12/26 1 0 AXX N17E40
1998/12/27 3 10 BXO N20E24
1998/12/28 3 10 BXO N20E12
1998/12/29 3 10 BXO N18W01
1998/12/31 2 10 HRX N19W17
1999/01/01 2 0 AXX N20W30
1999/01/02 5 30 BXO N20W42
1999/01/03 1 0 AXX N20W55
CM
11

The top 2 solar flares from sunspot region 8420

Start Maximum End
1M1.261999/01/0308:0708:5409:58
2C1.471999/01/0305:2305:2605:28

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

Gillam, MB, Whitehorse, YT, Yellowknife, NT
Fairbanks, AK, Juneau, AK
The solar wind speed is currently high (829.3 km/sec.)
The Disturbance Storm Time index predicts moderate storm conditions right now (-58nT)

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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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Spotless days
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