FAST WARNING ‘PRESTO’ MESSAGE  from the SIDC (RWC-Belgium) 2014

The partial halo CME, first seen in the SOHO LASCO C2 field of view at 16:12 UT on October 10 was associated with the concurrent filament eruption (situated at about S30 W45) and long duration C3.0 flare (peaked at 16:47 UT). The CME had angular width of about 200 degrees and was propagating with the projected speed of about 400 km/s (as reported by the CACTUS software). The bulk of the CME mass was ejected south-west from the  Sun-Earth line. The arrival of the glancing blow from the CME-driven shock wave is possible in the evening of October 14.