8/11/2026 @ 19:10 UTC Space Weather Update Weak CME Passage 8/9/2026 @ 23:45 UTC Minor (G1) Geomagnetic Storm Watch 8/8/2026 @ 12:35 UTC Filament Eruption + Likely CME Passage

Geomagnetic Forecast Aug 12 Aug 13 Aug 14 3 (G0) 2 (G0) 3-4 (G0) Max Kp M-Lat   10% H-Lat   25% M-Lat   05% H-Lat   20% M-Lat   15% H-Lat   40% Probabilities Current Moon Phase: 0% Illumination New Moon

Solar Flare Probabilities C-Flare: 30% M-Flare: 05% X-Flare: 01% Proton: 01% Updated @ 22:20 UTC (August 11)

Noteworthy Flare Events (Past 72 hours) None Detected

Visible Sunspot Regions AR 4508 A N06E70 AR 4507 B N04E43 AR 4506 B N11E26 AR 4503 B S17W26 Updated @ 00:45 UTC (August 12)

Farside Watch Updated @ 22:20 UTC (August 11) Latest Image  |  JSOC  |  STEREO

AIA Composite Filaments + Coronal Holes Latest AIA Composite

Solar Oribiter PHI Continuum (ESA) Latest Available STIX Light Curves | More Imagery

Solar Flare Detection

Real Time Solar Wind    There is currently an ongoing issue with the solar wind public data file provided by NOAA/SWPC. They are aware of the issue and are working to fix it.

Geomagnetic Field and Aurora Auroral Oval Forecast Kp (Last 24 Hrs) South Pole Forecast A-Indices | Magnetometers

CME Tracking No Event(s) Logged LASCO C2 GOES-19 CCOR-1 (RD)

Latest SolarHam News Updates Space Weather Update / Weak CME Passage August 11, 2026 @ 19:10 UTC (UPDATED) Below is an updated look at three sunspot regions currently located in the northeast quadrant. AR 4507 and 4508 were both assigned today and 4507 was the source of a minor C1.8 flare at 18:07 UTC (Aug 11). The region (4507) appears to be slowly developing and will be monitored. All other regions have been mostly stable. Image by SDO/HMI. Geomagnetic activity continues at unsettled levels (Kp3) following a weak CME passage at 11:33 UTC. At the time of this update, a minor (G1) geomagnetic storm watch remains in effect. UPDATE: The minor (G1) storm watch has been cancelled as NOAA/SWPC indicate that storm conditions are no longer expected. Minor (G1) Geomagnetic Storm Watch August 9, 2026 @ 23:45 UTC A pair of filament eruptions on August 8th, one in the northeast quadrant and one towards the southwest limb did result in coronal mass ejections. The first event, a well defined filament that I first commented on a few days ago, erupted and was responsible for a faint, possibly Earth directed CME. The second event was a larger eruption near the southwest limb the produced a fairly energetic CME that is directed mostly away from Earth with a glancing blow possible by August 12th. A combined impact could be enough to generate minor (G1) storming at higher latitudes. More updates in the days ahead. More News >>

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