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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Jan 14 1231 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

	10cm flux	Ap
14 Jan 2017	075	007
15 Jan 2017	077	007
16 Jan 2017	079	007

Bulletin

Solar activity has been very low, no C-class flares in past 24h. Two active regions visible on the disk, C-class flares are possible.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have ranged between K=1 and K=2. Solar wind speed is now at 380 km/s with interplanetary magnetic fields of 4 nT. The southern extension of the northern polar coronal hole may affect the Earth within 24 h, with K values up to 5 (although it’s probably too high in latitude to affect the Earth at all).

Today's estimated international sunspot number (ISN): 032, based on 16 stations.

Solar indices for 13 Jan 2017

Wolf number Catania	036
10cm solar flux	075
AK Chambon La Forêt	009
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	027 - Based on 26 stations

Noticeable events summary

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

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