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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Jun 13 1231 UTC

SIDC Forecast

Brillamenti solari

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
13 Jun 2017	076	011
14 Jun 2017	077	010
15 Jun 2017	077	007

Bulletin

Solar activity remains at the very low level, without any flares reported. We do not expect the change of the level of the solar activity in the coming hours, however isolated B-class flares are still possible in the coming hours. No Earth directed CMEs have been observed and the solar protons remained at background level in the past 24 hours. The Earth is presently within the fast solar wind. The solar wind speed was slowly increasing during last 48 hours and it presently amounts about 520 km/s, the interplanetary magnetic field magnitude is about 5nT. The fast solar wind associated with the large equatorial coronal hole which has reached the central meridian this morning, is expected to arrive at the Earth late on June 15 or early morning of June 16. The geomagnetic conditions are presently quiet to unsettled and we expect them to stay so in the coming hours.

Today's estimated international sunspot number (ISN): 011, based on 27 stations.

Solar indices for 12 Jun 2017

Wolf number Catania	000
10cm solar flux	075
AK Chambon La Forêt	016
AK Wingst	010
Estimated Ap	008
Estimated international sunspot number	000 - Based on 21 stations

Noticeable events summary

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

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