FAST WARNING 'PRESTO' MESSAGE from the SIDC (RWC-Belgium)
A partial halo coronal mass ejection (CME) was reported by CACTus and first seen in LASCO/C2 images at 02:00UT on 15-Mar-2015. This CME was related to a C9.1 flare from NOAA 2297 peaking at 02:13UT. The related CME had a plane of the sky speed of 712 km/s, and a width of 160 degrees. The bulk of the CME is directed away from Earth to the West, but a glancing blow can not be ruled out based on current imagery. The CME is estimated to arrive at Earth on 16 March at 18:00UT (+/- 12 hours).