CME Scoreboard

Prediction for CME (2015-12-16T09:36:00-CME-001)

Note: This prediction is for the first CME at 9:24 UT on December 16.

:Issued: 2015 Dec 17 0753 UTC
:Product: documentation at http://www.sidc.be/products/presto
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Two halo CMEs were observed in LASCO C2 and C3 images.

The first halo CME was first seen in LASCO C2 images at 9:24 UT on December 16. It is an asymmetric full halo, probably frontside CME with bulk directed towards the ENE. LASCO C2 and C3 imagery provides an average speed of 552 km/s. This CME is probably associated with the C6.6 flare released by NOAA AR 2468 with peak time 9:03 UT (which showed a dimming and a post eruption arcade as well).

The second halo CME was first observed in LASCO C2 images at 14:24 UT on December 16. It is an asymmetric full halo, probably frontside CME with bulk directed towards the SSE. LASCO C2 and C3 imagery provides an average speed of 489 km/s. It is probably associated to a dual ribbon flaring of a filament channel near NOAA AR 2468 starting around 12:57 UT on December 16.
Information about the estimated arrival times of these CMEs will follow later.

CACTUS merged these two halo CMEs and detected them as a single one.
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