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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2019 Jan 02 1238 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
02 Jan 2019	072	002
03 Jan 2019	073	004
04 Jan 2019	074	006

Bulletin

The new bipolar active region (NOAA 2732) emerged bewteen the central meridian and the West limb and produced a B2.8 flare peaking at 01:50 UT today. No earth-directed coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. Solar activity is expected to remain at low levels with small probabailty for C-class flares. Solar wind speed gradually decreased from about 400 till 350 km/s (DSCOVR). Bz varied between -3.9 and +2 nT. The geomagnetic conditions were quiet. Unsettled to active geomagnetic conditions can be expected from January 4th due to possible influence of the wind stream associated with the negative polarity equatorial coronal hole.

Today's estimated international sunspot number (ISN): 016, based on 12 stations.

Solar indices for 01 Jan 2019

Wolf number Catania	///
10cm solar flux	072
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	004
Estimated international sunspot number	013 - Based on 12 stations

Noticeable events summary

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

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