SOHO/LASCO Halo CME 20140402

Halo Alert: halo-message.20140402

UCMEO 93001 40402 1740/
40402 61336 91506 0581/ 057// 333// 41499
40402 61312 81427 16210 12027 2112/
99999

PLAIN

SOHO/LASCO HALO CME April 02 2014 FRONTSIDE

C2 Start Time:     13:36 UT

C3 Start Time:        13:54-05:06 UT at last frame in progress.

Type of CME:
Asymmetric HALO CME
pa1: 058      pa2: 057       Total Width: 360 degrees

Velocity Measurements:

C2    3 points    1439.0 @ PA 58
C3    5 points    1501.4 km/sec @ PA 58
Average through both fields:     1499.3 km/sec @ PA 58 Acceleration: 08.66 m/sec^2.

COMMENT:       AIA shows a Filament eruption with a bright loop CME 13:12-14:27 UT
            at location [N10, E62] with bright post arcade. Filament is north of
            and adjacent to AR12027. There was flaring of the AR. The event
            shows a dimming and a wave across the North and East hemispheres.

            NOAA reports a M6.5 Xray flare of AR 12027 13:18/14:05/14:28 UT.



Preliminary UCMEO velocity and position measurements will be delivered first.

Best Regards,

--Kevin Schenk

BT

[Images from original message are omitted here]

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SOHO/LASCO C2 Diff	SOHO/LASCO C3 Diff	SOHO/LASCO C2

STEREO/COR2 AHEAD	SDO/AIA 193 Diff	STEREO/COR2 BEHIND

SOHO/LASCO C3	SDO/AIA 193	STEREO/EUVI BEHIND

SDO/AIA 304 Diff	SDO/AIA 304