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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-13T22:24Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-05-13T22:24:00-CME-001 (version 2)
Note Keyword:
DFL: Likely deflection of the event within the FOV
Faint: Faint event; may affect type assignment
GAP: Data gap
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
PEA: Post eruption arcade
FIL: Filament eruption
OFL: Moving/Opening field lines
BR: Brightening
DIM: Dimming
EUVW: EUV Wave
Morphology Keyword:
F: Flux Rope
Note: This CME is observed to the W/NW in SOHO LASCO C2/C3 and GOES CCOR-1, and to the NW in STEREO A COR2 imagery (following a data gap from 2026-05-13T14:53Z to 2026-05-14T01:53Z). It is fairly faint in STEREO A COR2 imagery and appears much wider in STEREO A COR2 frames. There are multiple fronts associated with this CME as well as a numerous outflows following the CME. The source appears to be beyond the western limb of the Earth-facing disk based on SDO/AIA, GOES SUVI, and STEREO A EUVI imagery. Based on STEREO A EUVI 304 and 195, it is possible the source is a filament eruption between former AR 14432 (~N14W95-W100) and AR 14435 (~N23W53-W58) with visible dimming and brightening signatures as well as post-eruptive arcades starting following the data gap around 2026-05-14T02:15Z. The source is also observed as slow, wide opening field lines in GOES SUVI 171/195/284 starting as early as 2026-05-13T19:00Z.
Version 1 submitted on 2026-05-14T02:04Z by Tony Iampietro
Version 2 submitted on 2026-05-14T13:23Z by Carina Alden
A Notification with ID
20260514-AL-001 was sent on 2026-05-14T14:17Z
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The List of CME Analysis already entered: |
| Event Type |
Catalog |
Measurement TypeCME measurement type: Leading Edge (LE), Shock Front (SH), Right Hand Boundary (RHB), Left Hand Boundary (LHB), Black/White Boundary (BW), Prominence Core (COR), Disconnection Front (DIS), Trailing Edge (TE). |
Prime?"primary flag" which is either True or False. If there are multiple CME analysis entries for a single CME, this flag would indicate which analysis is considered most accurate per measurement type. This is a helpful flag if you would like to download only one most accurate CME analysis per CME per Measurement Type |
Technique |
Long |
Lat |
Speed |
Type |
Half Width |
Time 21.5 |
Note |
WSA-ENLIL+Cone Result(s) |
Measured On |
Submitted By |
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CME Analysis
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M2M_CATALOG |
LE
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true |
StereoCAT |
87.0 |
26.0 |
519.0 |
C |
34.0 |
2026-05-14T08:20Z |
Parameters based on best fit using white light imagery of SOHO LASCO C3 and STEREO A COR2 frames via StereoCAT. |
1: Result 1 (2.0 AU)
Parker Solar Probe = 2026-05-15T19:33Z
Juice = 2026-05-19T22:00Z
Mars = 2026-05-18T22:00Z
Psyche = 2026-05-18T22:00Z
STEREO A = 2026-05-17T10:00Z
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Carina Alden on 2026-05-14T13:09Z |
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CME Analysis
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M2M_CATALOG |
LE
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false |
SWPC_CAT |
95.0 |
11.0 |
319.0 |
S |
33.0 |
2026-05-14T11:11Z |
Preliminary leading edge analysis due to few available frames and slow start to the front. Estimating longitude around W95, using only SOHO LASCO C2 for this early analysis. May be located W90-W110. |
Not modeled
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Tony Iampietro on 2026-05-14T02:06Z |
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