Viewing archive of Wednesday, 12 August 1998 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
137 -71 1B6.86C1.913

Sunspot regions

Region 8293

Number of
sunspots
Size Class Magn. Class Spot Location
38 -9 420 -160 FAC S22W44

Solar flares on this day

C1.49 B9.96

Region 8297

Number of
sunspots
Size Class Magn. Class Spot Location
9 1 400 -50 CKO N28E12

Region 8298

Number of
sunspots
Size Class Magn. Class Spot Location
15 9 60 30 CAO N20W38

Region 8299

Number of
sunspots
Size Class Magn. Class Spot Location
13 4 460 -20 CKO N15E26

Region 8300

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 20 10 BXO S28W29

Region 8301

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 190 ESO S22E48

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 03:02 UTC

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

Gillam, MB

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

Iqaluit, NU
Nuuk
Reykjavik

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

Edmonton, AB, Saskatoon, SK
Tórshavn
Trondheim

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

Calgary, AB, Thunder Bay, ON, Winnipeg, MB
The strength of the interplanetary magnetic field is moderate (19.16nT), the direction is North (1.2nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-54nT)

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Latest alerts

03:15 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC

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01:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:36 UTC

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00:18 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 101GW at 01:06 UTC


Friday, 21 March 2025
23:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:30 UTC

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23:12 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 77GW at 00:01 UTC


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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/21M1.2
Last geomagnetic storm2025/03/14Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025138.4 -16.2
Last 30 days140.3 -10.9

This day in history*

Solar flares
12000X1.56
22024M4.3
32000M2.86
42002M2.37
52001M2.28
DstG
11990-104G1
21989-96G2
31958-85G2
41979-81G3
51973-57G2
*since 1994

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