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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Jan 16 1230 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
16 Jan 2018	070	005
17 Jan 2018	071	004
18 Jan 2018	072	011

Bulletin

Over the past 24 hours solar activity has been quiet. No significant flares have been recorded. AR 2696 (Mcintosh class:Bxo; Mag. type:Beta), a small bipolar region, is showing some evidence of growth that may increase flaring activity in the coming days. There are no other significant Active Regions (AR) on the solar disk. There's a small filament channel located in the South-West, but appears stable. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar activity is expected to remain low over the next 24 hours with a small probability of C-class flares. The solar wind speed has decreased from around 500 to 470 km/s over the past 24 hours. The total magnetic field strength has remained around 5 nT. The Bz component fluctuated around 0 nT, ranging between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 017, based on 17 stations.

Solar indices for 15 Jan 2018

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	012
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	012 - Based on 06 stations

Noticeable events summary

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

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