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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Jun 02 1228 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Protoni solari

Quiet

	10cm flux	Ap
02 Jun 2014	105	010
03 Jun 2014	110	008
04 Jun 2014	115	007

Bulletin

Six sunspot regions are visible at the front side of the solar disk. The background level of the X-ray flux measured by GOES is at B-class level. No solar flares were observed during the past 24 hours. LASCO/C2 observed at 8:36 UT a CME, which is associated with a backsided event. No Earth-directed CMEs were detected. C-class flares are expected for the next 48 hours, with NOAA ARs 2077 and 2079 as strongest source candidates. We are currently experiencing slow solar wind conditions, with a speed between 260 and 300 km/s. The magnitude of the interplanetary magnetic field is stable near 5 nT, with a fluctuating Bz component between -5 and +5 nT. The geomagnetic conditions were quiet. A small coronal hole that passed the central meridian on 29 May can still influence the geomagnetic field within the next 24 hours. Geomagnetic conditions are expected to remain quiet, though locally a brief active episode is possible.

Today's estimated international sunspot number (ISN): 041, based on 19 stations.

Solar indices for 01 Jun 2014

Wolf number Catania	///
10cm solar flux	103
AK Chambon La Forêt	006
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	044 - Based on 22 stations

Noticeable events summary

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

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