CME Scoreboard

Prediction for CME (2014-02-04T01:25:00-CME-001)

:Issued: 2014 Feb 04 1311 UTC
:Product: documentation at http://www.sidc.be/products/presto
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# FAST WARNING 'PRESTO' MESSAGE from the SIDC (RWC-Belgium) #
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A weak partial halo CME first appeared in the SOHO/LASCO C2 field of view today at 01:25 UT (after a data gap). It had the angular width of around 170 degrees and the plane-of-the-sky projected speed of around 700 km/s. The CME was most probably associated with an eruption in the western part of the Catania sunspot group 28 (NOAA AR 1967) accompanied with a weak and small coronal dimming and a post-eruption arcade. No flare was reported as the eruption seemed associated with one of the slow increases of the solar soft X-ray flux, with the above-mentioned (unrelated) M3.8 flare superposed on top of it. Due to the weakness of the partial halo and based on its morphology, we expect only the arrival of a CME-driven shock at the Earth, probably late on February 7, with weak geomagnetic consequences up to the active level (K = 4). 
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