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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jun 03 1245 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
03 Jun 2013	114	012
04 Jun 2013	116	008
05 Jun 2013	118	006

Bulletin

Six sunspot groups were reported by Catania today. Only two C-class flares were reported during last 24 hours, and the stronger one was C9.5 flare, peaking at 07:25 UT on June 03. This long duration flare originated from the fast emerging Catania sunspot group 92 (NOAA AR 1762) which has at the moment beta-gama configuration of its photosperic magnetic field, and we expect that it will produce more C-class and also possibly M-class flares. The interplanetary magnetic field magnitude is of about 4 nT during last 36 hours. Earth is still inside the fast flow from the coronal hole currently close to the west solar limb. The solar wind speed is about 700 km/s. The geomagnetic conditions are quiet and expect to remain so in the following hours.

Today's estimated international sunspot number (ISN): 048, based on 14 stations.

Solar indices for 02 Jun 2013

Wolf number Catania	///
10cm solar flux	111
AK Chambon La Forêt	///
AK Wingst	016
Estimated Ap	020
Estimated international sunspot number	052 - Based on 18 stations

Noticeable events summary

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

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