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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jan 06 1237 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
06 Jan 2013	145	005
07 Jan 2013	143	010
08 Jan 2013	145	007

Bulletin

Several C-flares occurred in the past 24 hours. The strongest one was a C3 from NOAA AR 1653 peaking at 03:03 UT. Other flaring regions are 1652, 1650 and 1645. These last two have a beta magnetic configuration, while 1652 and 1653 are still not visible completely (rotating into view from the east limb). NOAA AR 1640 remains the most complex AR, as it's still slowly growing in size and keeps its beta-gamma-delta configuration, this region is approaching the west limb but can still produce M-class flares. Geomagnetic conditions have been quiet. Unsettled to (isolated) active levels can be expected in the next 24h with the arrival of a fast speed stream from a small coronal hole.

Today's estimated international sunspot number (ISN): 108, based on 03 stations.

Solar indices for 5 Jan 2013

Wolf number Catania	///
10cm solar flux	145
AK Chambon La Forêt	004
AK Wingst	001
Estimated Ap	001
Estimated international sunspot number	111 - Based on 10 stations

Noticeable events summary

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

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