Another incoming CME, impact expected on November 11

Another incoming CME, impact expected on November 11

On November 9, 2023, a low-level C-Class solar flare and a full halo coronal mass ejection (CME) were observed, starting shortly after 11:15 UTC. This solar activity, occurring near the Sun’s center disk, is anticipated to impact Earth by November 11, around 18:00 UTC, potentially triggering a G2 – Moderate geomagnetic storm. Concurrently, a minor polar cap absorption event is affecting shortwave radio transmissions in polar regions.

Strong M8.7 solar flare erupts from Region 3435

Strong M8.7 solar flare erupts from Region 3435

A strong solar flare measuring M8.7 erupted from Active Region 3435 at 12:54 UTC on September 21, 2023. The event started at 12:42 and ended at 13:02 UTC. This is the second M8+ solar flare since M8.2 at 14:11 UTC on September 20.

Strong M8.2 solar flare erupts from Region 3435

Strong M8.2 solar flare erupts from Region 3435

An impulsive solar flare measuring M8.2 erupted from Active Region 3435 at 14:19 UTC on September 20, 2023. The event started at 14:11 and ended at 14:25 UTC.

G2 – Moderate to G3 – Strong geomagnetic storm conditions forecast for September 19

G2 – Moderate to G3 – Strong geomagnetic storm conditions forecast for September 19

An approximate 35-degree solar filament eruption centered near N22W17 began lifting off at 04:34 UTC on September 16, 2023. The event resulted in a halo coronal mass ejection (CME) that was first observed off the W limb at 09:12 UTC. Analysis of the filament eruption and subsequent halo CME determined a likely arrival early on September 19.