Coronal Mass Ejection Alerts

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2023-04-08T11:24:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Sat, 08 Apr 2023 11:24:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the N/NW in SOHO LASCO C2/C3 and STEREO A COR2 imagery. The source is likely far-sided as there are no source signatures visible on the Earth-facing disk.
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2023-04-08T10:24:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Sat, 08 Apr 2023 10:24:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the E/NE in SOHO LASCO C2/C3 and STEREO A COR imagery. The source is likely far-sided as there are no clear source signatures on the Earth-facing disk.
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2023-04-08T07:48:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Sat, 08 Apr 2023 07:48:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the N/NE in SOHO LASCO C2/C3 and STEREO A COR2 imagery. The source is likely an eruption visible beyond the northern limb starting around 2023-04-08T06:55Z in SDO AIA 131, 171, 193, 304 imagery. May be part of a larger eruption that is not visible on the Earth-facing disk.
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2023-04-07T23:12:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Fri, 07 Apr 2023 23:12:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the N/NW in SOHO LASCO C2/C3 and STEREO A COR2 imagery. There are large data gaps in SOHO and STEREO coronagraph imagery during this event so only earlier and later imagery is available of this CME. The source is a large eruption near the NW limb which starts to lift-off off around 2023-04-07T22:00Z as seen in SDO AIA 131, 171, 193, 304 imagery. Prior to the eruption, the filamentary material remains suspended above the NW limb for a few hours, resulting in a slow moving CME.
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2023-04-07T22:24:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Fri, 07 Apr 2023 22:24:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the E/SE in SOHO LASCO C2/C3 and STEREO A COR2 imagery. The source is likely far-sided as there are no clear source signatures on the Earth facing disk.
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2023-04-07T19:36:00-CME-001

  • Catalog: M2M_CATALOG
  • Start: Fri, 07 Apr 2023 19:36:00 +0000
  • Source:
  • Region:
  • Note: This CME is visible to the SE in SOHO LASCO C2/C3 and STEREO A COR2 imagery, with a diffuse leading edge. The source is an eruption visible near the SE limb starting around 2023-04-07T19:00Z as seen in SDO AIA 131, 171, 193, 304 imagery. Faint field line movement is visible around this time in SDO AIA 171 and 193 imagery as well.
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2025-06-04T11:48:00-CME-001

  • Start: 06/04/2025 11:48:00
  • Catalog: M2M_CATALOG
  • Source: N23E45
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