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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jun 02 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
02 Jun 2015	105	005
03 Jun 2015	110	005
04 Jun 2015	115	005

Bulletin

The only C-class flare of the past 24 hours (C1.9 peaking at 07:02 UT today) occurred above the north-east solar limb, seemingly produced by the still unnumbered sunspot group that just appeared from behind the east limb (returning NOAA AR 2342). More C-class flares are expected from this active region. A partial halo CME originating in this active region was detected by SOHO/LASCO on June 1. It first appeared in the LASCO C2 field of view at 13:48 UT and had the angular width of around 200 degrees. SDO/AIA observations of associated coronal dimmings and an EIT wave demonstrate that the CME originated from behind the north-east solar limb, so it will not arrive at the Earth and will have no geomagnetic consequences. The Earth is currently inside a slow (around 340 km/s) solar wind flow with slightly elevated (around 6 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 034, based on 11 stations.

Solar indices for 01 Jun 2015

Wolf number Catania	///
10cm solar flux	100
AK Chambon La Forêt	009
AK Wingst	011
Estimated Ap	011
Estimated international sunspot number	022 - Based on 32 stations

Noticeable events summary

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

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