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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jun 04 1249 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
04 Jun 2013	112	010
05 Jun 2013	111	006
06 Jun 2013	108	006

Bulletin

The flaring activity is rather low with only one C-class flare reported during last 24 hours. The fast developing Catania sunspot group 92 (NOAA AR 1762) became even more complex and has currently beta-gama-delta configuration of its photospehric magnetic field. We expect some C-class and M-class flaring activity, in particular, from this active region. The interplanetary magnetic field magnitude is about 4 nT. Earth is still inside the fast flow, with the solar wind gradually slowing down and currently amounting about 580 km/s. The low-latitude coronal hole in the northern hemisphere has completely passed across the central meridian today. The arrival of the fast solar wind at the Earth, although not very probable, is expected on late June 6. The geomagnetic conditions are unsettled to quiet (Dourbes reports K=3 or less), and expect to remain so in the following hours.

Today's estimated international sunspot number (ISN): 035, based on 16 stations.

Solar indices for 03 Jun 2013

Wolf number Catania	093
10cm solar flux	112
AK Chambon La Forêt	///
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	041 - Based on 20 stations

Noticeable events summary

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

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