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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jan 07 1226 UTC

SIDC Forecast

Brillamenti solari

Eruptive (C-class flares expected, probability >= 50%)

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Warning condition

	10cm flux	Ap
07 Jan 2013	144	001
08 Jan 2013	146	001
09 Jan 2013	146	001

Bulletin

Solar activity is expected to reach eruptive levels with C class flares likely, especially from NOAA ARs 1640, 1650, 1652 and 1653. A C3.1 flare occurred today at 0852 UT (peak time) in NOAA AR 1640. A partial halo CME was observed on LASCO C2, around 0412 UT on Jan. 7, on the east limb. There is currently no clear evidence that the source of this event is located on the visible disk. Geomagnetic activity is expected to be quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 098, based on 05 stations.

Solar indices for 6 Jan 2013

Wolf number Catania	///
10cm solar flux	142
AK Chambon La Forêt	006
AK Wingst	003
Estimated Ap	003
Estimated international sunspot number	108 - Based on 07 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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