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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-03-22T23:24Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-03-22T23:24:00-CME-001 (version 2)
Source Location: S17W65
Active Region Number: 14392
Note Keyword:
3P: 3-part structure CME
DPL: CME exhibits dimpled front
FOV: Front Bright front; may be evidence of pileup
GAP: Data gap
OFL: Outflowing material at the back of the CME
OVR: Event partially overlaps with another CME
PRM: Prominence material (filamentary structures)
SB: Streamer Blowout following CME
CHP: CME - Coronal Hole Proximity
Source Signature Keyword:
FLR: Flare
PEA: Post eruption arcade
FIL: Filament eruption
OFL: Moving/Opening field lines
BR: Brightening
EUVW: EUV Wave
Morphology Keyword:
FS: Flux Rope and Shock Candidate
Note: CME observed to the W in SOHO LASCO C2/C3 and GOES CCOR-1, also W in STEREO A COR2 after a data gap ends at 2026-03-23T03:38Z. The source is a wide eruption from AR 14392 (S17W65), associated with a C1.5 flare peaking at 2026-03-22T23:09Z as observed in GOES SUVI 131. A small filament eruption near AR 14392 begins at 2026-03-22T22:50Z in GOES SUVI 304, setting off a wider rising and breaking of field lines over AR 14392 and likely extending around the west limb, starting around 2026-03-22T23:34Z in GOES SUVI 171/195/284. This is followed by a post-eruptive arcade over AR 14392 observed in GOES SUVI 171/195/284/304.
Version 1 submitted on 2026-03-23T13:09Z by Tony Iampietro
Version 2 submitted on 2026-03-23T15:57Z by Tony Iampietro
A Notification with ID
20260323-AL-003 was sent on 2026-03-23T15:52Z
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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 |
|
CME Analysis
|
M2M_CATALOG |
LE
|
true |
SWPC_CAT |
84.0 |
7.0 |
739.0 |
C |
40.0 |
2026-03-23T05:01Z |
Triangulated bulk analysis with SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. Due to the distorted lobed shape of the CME front, this analysis best captures the faster northern leading edge of the CME front using the full width of the bright bulk material. The CME front is further distorted in STEREO A COR2's field-of-view, but able to be captured good enough to track with the other coronagraphs. |
1: Result 1 (2.0 AU)
BepiColombo = 2026-03-24T00:33Z
Juice = 2026-03-27T05:41Z
STEREO A = 2026-03-25T05:20Z
OSIRIS-APEX = 2026-03-25T20:00Z
2: Result 2 (5.5 AU)
BepiColombo = 2026-03-24T00:24Z
Juice = 2026-03-27T05:27Z
STEREO A = 2026-03-25T05:03Z
Europa Clipper = 2026-03-28T00:00Z
OSIRIS-APEX = 2026-03-25T20:00Z
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2026-03-23T11:32Z |
Tony Iampietro on 2026-03-23T13:46Z |
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CME Analysis
|
M2M_CATALOG |
SH
|
true |
SWPC_CAT |
65.0 |
15.0 |
800.0 |
C |
46.0 |
2026-03-23T04:39Z |
SHOCK analysis using only SOHO LASCO C3, as the shock front is not resolvable in STEREO A COR2 imagery potentially due to faintness, being directed towards the spacecraft, and/or the COR2A data gap ending at 2026-03-23T03:38Z. The longitude could vary up to W55-W85, the source longitude of W65 is used as a best approximation with available imagery. |
1: Result 1 (2.0 AU)
Earth = 2026-03-25T18:00Z
BepiColombo = 2026-03-23T22:27Z
Juice = 2026-03-26T23:18Z
OSIRIS-APEX = 2026-03-25T13:05Z
STEREO A = 2026-03-25T01:15Z
2: Result 2 (5.5 AU)
Earth = 2026-03-25T18:00Z
BepiColombo = 2026-03-23T22:09Z
Europa Clipper = 2026-03-27T14:05Z
Juice = 2026-03-26T23:10Z
OSIRIS-APEX = 2026-03-25T12:44Z
STEREO A = 2026-03-25T00:47Z
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2026-03-23T13:44Z |
Tony Iampietro on 2026-03-23T13:45Z |
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