Coronal Mass Ejection Alerts

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2025-01-22T19:00:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 19:00:00 +0000
  • Source:
  • Region:
  • Note: CME seen to the NE in SOHO LASCO C2/C3 only, due to a data gap in STEREO COR2A. No distinct source for this CME is observed, but given its direction and width it may bear similarity to earlier CMEs 2025-01-22T08:12Z and 2025-01-22T09:12Z, which had STEREO COR2A imagery to triangualate a far-sided high-latitude source filament eruption.
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2025-01-22T17:24:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 17:24:00 +0000
  • Source:
  • Region:
  • Note: CME seen to the ESE in SOHO LASCO C2/C3 only, due to a data gap in STEREO COR2A. No distinct source for this CME is observed. Analysis is ongoing to determine if this CME is separate from overlapping CME 2025-01-22T17:12Z, which is a wider, fainter "shock" looking feature that emerges around the same time in the same direction.
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2025-01-22T17:12:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 17:12:00 +0000
  • Source:
  • Region:
  • Note: CME seen to the ESE in SOHO LASCO C2/C3 only, due to a data gap in STEREO COR2A. No distinct source for this CME is observed. Analysis is ongoing to determine if this CME is separate from overlapping CME 2025-01-22T17:24Z, which is a thinner, brighter "bulk" looking feature that emerges around the same time in the same direction.
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2025-01-22T17:00:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 17:00:00 +0000
  • Source:
  • Region:
  • Note: CME seen to the SE in SOHO LASCO C2/C3 only, due to a data gap in STEREO COR2A. No distinct source for this CME is observed, and it could be considered far-sided outflow from prior CME: 2025-01-22T08:36Z (analyzed at S59E164) or outflow from prior on-disk CME 2025-01-22T11:36Z (analyzed at S27W09), with far-sided more likely based on its directionality.
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2025-01-22T14:00:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 14:00:00 +0000
  • Source:
  • Region:
  • Note: CME seen to the SE in SOHO LASCO C2/C3 only, due to a data gap in STEREO COR2A. No distinct source for this CME is observed, and it could be considered far-sided outflow from prior CME: 2025-01-22T08:36Z (analyzed at S59E164) or outflow from prior on-disk CME 2025-01-22T11:36Z (analyzed at S27W09), with far-sided more likely based on its directionality.
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2025-01-22T11:36:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Wed, 22 Jan 2025 11:36:00 +0000
  • Source: S10W28
  • Region: 13961
  • Note: Wide, messy CME seen to the southwest in SOHO LASCO C2/C3 and to the southeast in STEREO A COR2. Source is a large eruption from the southwest quadrant of the disk, from the large Active Region 13961 which was centered at S10W28 at the time of the eruption. Dimming starting at 2025-01-22T10:43Z extends from S10-S50 and from W10-W40 as seen in SDO AIA 193. Opening field lines and ejecta can be seen in SDO AIA 171 and SDO AIA 304, respectively. It is possible that two small filaments lifted off in this eruption, however, there is filamentary material visible/reformed after the eruption. An M1.3 flare from AR 13961 with peak time 2025-01-22T11:08Z is associated with this event. This CME visually overlaps with the far-sided CME:2025-01-22T08:36Z.
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Coronal Mass Ejection Alerts

2025-05-19T12:12:00-CME-001

  • Start: 05/19/2025 12:12:00
  • Catalog: M2M_CATALOG
  • Source: N30E90
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